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Web: www.stearns-direct.com Email: sales@stearns-direct.com Phone: (888) 861-8777
 
Motor Mounted Brakes: 48,100 (1-048-1XX) 48C
 
Series 48,100 (1-048-1XX)
Mounting Face: 48C
 

48,100
48C
 
Specifications:
(1-048-1XX)
Static Torque: 1.5 through 6 lb-ft.
Enclosure: IP23 (formerly referred to by Stearns as NEMA 2), Stamped Steel Housing.
Release Type: Side Lever.
 
    • Adjustable Torque
    • Manual Wear Adjustment
    • Side Manual Release Lever with Automatic Reset
    • Class B Coil Insulation
    • Spring-Set Electrically Released
    • Lead Wire Length: 24 inches
    • Maximum Speed: Horizontal 5000 rpm
    • Certified: CSA File LR-6254
 
Replacement Parts for 48,100 Series Brakes (rev. A)
Models 1-048-151, 1-048-161 and 1-048-171 [P/N 8-078-914-02]


No Qty
Req'd
Item Part
Number
Description Picture Stock
Qty
Price
Each
Qty
Ord'd
Update
Cart
1 1 2 STE-5-55-4003-00 Stearns Endplate assembly - 0 $99.77
2 1 3A STE-9-09-0108-00 Stearns Bolt 
Part 9-09-0108-00 
Carriage Bolt 
For Solenoid Housing 
Dated 1/18
- 0 $2.14
3 1 3C STE-8-128-310-00 Stearns Solenoid Spacer 
Part 8-128-310-00 
REPLACED BY 8-128-311-00  
Dated 1/18
- 0 $2.14
4 1 3E STE-9-09-0106-00 Stearns Bolt 
Part 9-09-0106-00 
Spring Stud Carriage Bolt 
Dated 1/18
- 0 $0.85
5 1 3G STE-8-060-314-00 Stearns Shock pad - 0 $2.00
6 1 4 STE-8-004-405-00 Call - 0 Call Call Call
7 1 4A STE-8-161-503-00 Stearns Spring 
Part 8-161-503-00 
aka 816150300 
Stabilizing Spring 
Dated 1-2020 
(1LB) H 4" L 5" W 4" Box
- 0 $5.36
8 1 5 STE-8-003-407-00 Call - 0 Call Call Call
9 1 5A STE-8-059-402-00 Stearns Leaf Spring 
Part 8-059-402-00 
Dated 1/18
- 0 $4.28
10 1 5B STE-9-25-7320-00 Stearns Leaf spring screw #8-32 x 1/4" thread roll - 0 $2.00
11 1 7 STE-8-007-413-00 Stearns Housing - 0 $29.93
12 1 7A STE-8-007-413-01 Call - 0 Call Call Call
13 1 10 STE-9-17-8420-00 Stearns Cap Screw 
Dated 02-2021
- 0 $13.37
14 1 11 STE-9-70-1210-00 Stearns Spring - 0 $4.00
15 1   STE-9-70-1302-00 Stearns Spring 
Part 9-70-1302-00 
970130200 
Ships from Stock, OH 
Dated 03-2023
- 0 $9.06
16 1   STE-9-70-1610-00 Stearns Spring 
Part 9-70-1610-00 
aka 970161000 
Factory Stock, Racine WI 
Dated 10-19
- 0 $10.69
17 1 11A STE-9-46-0003-00 Stearns Shoulder washer - 0 $4.00
18 1 15 STE-9-40-2830-00 Stearns Nut - 0 $2.00
19 1 16 STE-5-16-4113-00-01B Stearns Hub 
Part 5-16-4113-00-01B 
51641130001B 
For 48,100 Spline Disc Brake 
Hub 5/8 Inch Bore 
For a 1 Disc Brake 
Ship in 1 Week, WI Racine 
Dated 03-2023 
(2LBS)
- 0 $236.98
20 1   STE-5-16-4113-00-01K Stearns Hub 
Part 5-16-4113-00-01K 
51641130001K 
For 48,100 Spline Disc Brake 
Hub 1/2 Inch Bore 
For a 1 Disc Brake 
Ship in 1 Week, WI Racine 
Dated 03-2023 
(2LBS)
- 0 $275.35
21 1 17 STE-5-17-4005-01 Stearns 48,100 lever arm assembly - 0 $23.94
22 1 18 STE-9-40-4030-00 Stearns Nut - 0 $2.00
23 1 19 STE-9-40-4030-00 Stearns Nut - 0 $2.00 Line #22 -
24 1 28 STE-8-148-406-00 Stearns Manual release lever - 0 $24.95
25 1 28A STE-9-71-0027-00 Stearns Extension spring - 0 $3.00
26 1 28B STE-8-170-506-00 Stearns Manual release bracket - 0 $5.00
27 1 28C STE-9-25-7320-01 Stearns Screw 
Part 9-25-7320-01 
Bracket Screw 
#8-32 x 5/16" Thread Roll 
Ships in 1 Week 
Dated 12-19
- 0 $3.22
28 1 42 STE-8-142-402-00 Stearns 48,100 conduit bracket - 0 $19.95
29 1 42A STE-9-61-1162-00 Stearns Snap in Blank - 0 $2.00
30 1 42B STE-9-25-7320-00 Stearns Leaf spring screw #8-32 x 1/4" thread roll - 0 $2.00 Line #10 -
31 1 163A STE-5-12-5524-00 Stearns 48,100 #4 solenoid assy. - 0 $159.62
32 1 12A STE-5-66-6407-33 Stearns Coil Kit 
Part 5-66-6407-33 
aka 566640733 
Size # 4 
115 / 230 Volt AC 60 Hz 
Normally a stock item OH 
Dated 10/18
- 0 $269.30
33 1   STE-5-66-6409-33 Stearns Coil Kit #4 
Part 5-66-6409-33 
566640933 
Coil Kit #4 
230 - 460 Volt, 60 Hz 
Class "B" Insulation 
Replaces 
aka 6-4-42306-08 644230608 
aka 6-4-42306-09 644230609$$Q 
Normally a Stock Item 
Dated 02-2023 
(1LB) H 4" L 5" W 4" Box
- 0 $400.98
34 1   STE-5-66-6401-33 Stearns Coil Kit 
Part 5-66-6401-33 
#4 Coil Kit 
115 Volt AC 60 Hz 
Class "B" Insulation 
aka old 634115609 
Normally a stock item, OH 
Dated 1/18
- 0 $134.72
35 1   STE-5-66-6402-33 Stearns Coil Kit 
Part 5-66-6402-33 
566640233 
# 4 Coil kit 
230 Volt AC 60 Hz 
190 Volt AC 50 Hz 
Class "B" Insulation 
Brakes 48000, 55000, 55200, 55500, 55700, 57500 
Ships from Stock 
Dated 07-2022
- 0 $154.55
36 1   STE-5-66-6404-33 Stearns Brake Coil 
Part 5-66-6404-33 
aka 566640433 
SOON OBSOLETE 
460 Volt AC 
Normally a Stock Item 
Dated 09-2023
- 0 $172.95
37 1   STE-5-66-6405-33 Stearns Coil Kit S4 575 Volt 
Part 5-66-6405-33 
Old STE-634575606 
S4 Coil Kit 
575 Volt AC 
Normally a Stock Item 
Ships from Stock to 1 Week 
Dated 11-19
- 0 $141.67
38 1   STE-5-66-6457-33 Stearns Coil Kit 
Part 5-66-6457-33 
566645733 
Old Part 644116609 
NOW OBSOLETE SEE 5-96-6479-59 
115 / 230 Volt AC 60 Hz 
Class "B" Insulation 
Normally a Stock Item 
Ships from Stock to 10 Days 
Dated 11-2023 
(2LBS) H 4" L 5" W 4" Box
- 0 $351.25
39 1   STE-5-66-6459-33 Stearns Coil Kit K4 
Part 5-66-6459-33 
566645933 
OBSOLETE, REPLACED BY 5-96-6479-70 
Old Part 64423160951Q 
#K4 Coil Kit  
230 - 460 Volt AC, 60 Hz 
aka 8-087-946-01 & 64423160951Q 
Normally a Stock Item 
Ships from Stock to 2 Weeks 
Dated 12-2023 
(3LBS) H 4" L 5" W 4" Box
- 1 $381.88
40 1   STE-5-66-6451-33 Stearns Coil Kit 
Part 5-66-6451-33 
#K4 Coil Kit 
115 Volt AC, 60 Hz 
Class "B" Insulation 
Dated 1/18 
(3LBS) H 4" L 5" W 4" Box
- 0 $143.28
41 1   STE-5-66-6452-33 Stearns Coil Kit 
Part 5-66-6452-33 
#K4 Coil Kit 
230 Volt AC, 60 Hz 
Class "B" Insulation 
Dated 1-19 
(3LBS) H 4" L 5" W 4" Box
- 0 $200.34
42 1   STE-5-66-6454-33 Stearns Coil Kit K4 
Part 5-66-6454-33 
566645433 
aka Old 634461609 
#K4 Coil Kit 
460 Volt AC, 60 Hz 
Class "B" Insulation 
Dated 05-2022 
(3LBS) H 4" L 5" W 4" Box
- 2 $164.58
43 1   STE-5-66-6455-33 Stearns Coil Kit 
Part 5-66-6455-33 
566645533 
#M4 Coil Kit 
575 Volt AC 60 Hz 
Class "B" Insulation 
Ships from Stock to 10 Days 
Dated 04-2021 
(3LBS) H 4" L 5" W 4" Box
- 0 $150.23
44 1   STE-5-96-6437-33 Stearns coil kit 
Part 5-96-6437-33 
12C NO. M4 Coil Assembly 
115/230 Volt AC 60 Hz 
aka 6-4-41176-09-53P 
Dated 1/17
- 0 $291.06
45 1   STE-5-96-6438-33 Stearns 12C NO. M4 COIL ASSEMBLY 60 HZ 200/400 Vac - 0 $279.34
46 1   STE-5-96-6439-33 Stearns Coil 
Part 5-96-6439-33 
12C M4 Coil Assembly 
230 / 460 Volt AC 60 Hz 
Dated
- 0 $299.38
47 1   STE-5-96-6431-33 Stearns 12C NO. M4 COIL ASSEMBLY 60 HZ 115 Vac - 0 $279.34
48 1   STE-5-96-6484-33 Stearns #M4 coil kit-200 Vac, 60 Hz, Cl. B - 0 $279.34
49 1   STE-5-96-6432-33 Stearns 12C NO. M4 COIL ASSEMBLY 60 HZ 230 Vac - 0 $239.44
50 1   STE-5-96-6434-33 Stearns 12C NO. M4 COIL ASSEMBLY 60 HZ 460 Vac - 0 $279.34
51 1   STE-5-96-6435-33 Stearns 12C NO. M4 COIL ASSEMBLY 60 HZ 575 Vac - 0 $279.34
Easy Order Shortcuts
No Part
Number
Description Image Stock
Qty
Price
Each
Qty
Ord'd
Update
Cart
1 STE-1-048-151-00-BB Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [5] = 1.5 
Leadwire Position [00] = Internal and external leadwire position 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [B] = Voltage: 115; 60 Hz
- 0 $369.12
2 STE-1-048-151-00-BF Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [5] = 1.5 
Leadwire Position [00] = Internal and external leadwire position 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [F] = Voltage: 230; 60 Hz (190; 50 Hz)
- 0 $369.12
3 STE-1-048-151-00-BG Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [5] = 1.5 
Leadwire Position [00] = Internal and external leadwire position 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [G] = N/A
- 0 $369.12
4 STE-1-048-151-00-BL Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [5] = 1.5 
Leadwire Position [00] = Internal and external leadwire position 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [L] = Voltage: 460; 60 Hz (380; 50 Hz)
- 0 $369.12
5 STE-1-048-151-00-BM Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [5] = 1.5 
Leadwire Position [00] = Internal and external leadwire position 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [M] = Voltage: 415; 50 Hz
- 0 $369.12
6 STE-1-048-151-00-BN Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [5] = 1.5 
Leadwire Position [00] = Internal and external leadwire position 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [N] = Voltage: 575; 60 Hz
- 0 $369.12
7 STE-1-048-151-00-BP Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [5] = 1.5 
Leadwire Position [00] = Internal and external leadwire position 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [P] = Voltage: 115/208-230; 60 Hz
- 0 $369.12
8 STE-1-048-151-00-BQ Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [5] = 1.5 
Leadwire Position [00] = Internal and external leadwire position 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [Q] = Voltage: 208-230/460; 60 Hz (190/380; 50 Hz)
- 0 $369.12
9 STE-1-048-151-00-KD Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [5] = 1.5 
Leadwire Position [00] = Internal and external leadwire position 
Hub [K] = Bore: 1/2; Keyway: 1/8 x 1/16 
Standard AC Voltage Rating [D] = Voltage: 110; 50 Hz
- 0 $369.12
10 STE-1-048-151-00-KF Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [5] = 1.5 
Leadwire Position [00] = Internal and external leadwire position 
Hub [K] = Bore: 1/2; Keyway: 1/8 x 1/16 
Standard AC Voltage Rating [F] = Voltage: 230; 60 Hz (190; 50 Hz)
- 0 $369.12
11 STE-1-048-151-00-KN Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [5] = 1.5 
Leadwire Position [00] = Internal and external leadwire position 
Hub [K] = Bore: 1/2; Keyway: 1/8 x 1/16 
Standard AC Voltage Rating [N] = Voltage: 575; 60 Hz
- 0 $369.12
12 STE-1-048-151-00-KP Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [5] = 1.5 
Leadwire Position [00] = Internal and external leadwire position 
Hub [K] = Bore: 1/2; Keyway: 1/8 x 1/16 
Standard AC Voltage Rating [P] = Voltage: 115/208-230; 60 Hz
- 0 $369.12
13 STE-1-048-151-00-KQ Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [5] = 1.5 
Leadwire Position [00] = Internal and external leadwire position 
Hub [K] = Bore: 1/2; Keyway: 1/8 x 1/16 
Standard AC Voltage Rating [Q] = Voltage: 208-230/460; 60 Hz (190/380; 50 Hz)
- 0 $369.12
14 STE-1-048-151-01-BB Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [5] = 1.5 
Leadwire Position [01] = Internal only 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [B] = Voltage: 115; 60 Hz
- 0 $333.97
15 STE-1-048-151-01-BF Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [5] = 1.5 
Leadwire Position [01] = Internal only 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [F] = Voltage: 230; 60 Hz (190; 50 Hz)
- 0 $333.97
16 STE-1-048-151-01-BL Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [5] = 1.5 
Leadwire Position [01] = Internal only 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [L] = Voltage: 460; 60 Hz (380; 50 Hz)
- 0 $333.97
17 STE-1-048-151-01-BN Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [5] = 1.5 
Leadwire Position [01] = Internal only 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [N] = Voltage: 575; 60 Hz
- 0 $333.97
18 STE-1-048-151-01-BP Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [5] = 1.5 
Leadwire Position [01] = Internal only 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [P] = Voltage: 115/208-230; 60 Hz
- 0 $333.97
19 STE-1-048-151-01-BQ Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [5] = 1.5 
Leadwire Position [01] = Internal only 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [Q] = Voltage: 208-230/460; 60 Hz (190/380; 50 Hz)
- 0 $333.97
20 STE-1-048-151-01-KL Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [5] = 1.5 
Leadwire Position [01] = Internal only 
Hub [K] = Bore: 1/2; Keyway: 1/8 x 1/16 
Standard AC Voltage Rating [L] = Voltage: 460; 60 Hz (380; 50 Hz)
- 0 $333.97
21 STE-1-048-151-01-KP Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [5] = 1.5 
Leadwire Position [01] = Internal only 
Hub [K] = Bore: 1/2; Keyway: 1/8 x 1/16 
Standard AC Voltage Rating [P] = Voltage: 115/208-230; 60 Hz
- 0 $333.97
22 STE-1-048-151-01-KQ Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [5] = 1.5 
Leadwire Position [01] = Internal only 
Hub [K] = Bore: 1/2; Keyway: 1/8 x 1/16 
Standard AC Voltage Rating [Q] = Voltage: 208-230/460; 60 Hz (190/380; 50 Hz)
- 0 $333.97
23 STE-1-048-161-00-BB Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [6] = 3 
Leadwire Position [00] = Internal and external leadwire position 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [B] = Voltage: 115; 60 Hz
- 0 $382.31
24 STE-1-048-161-00-BD Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [6] = 3 
Leadwire Position [00] = Internal and external leadwire position 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [D] = Voltage: 110; 50 Hz
- 0 $382.31
25 STE-1-048-161-00-BF Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [6] = 3 
Leadwire Position [00] = Internal and external leadwire position 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [F] = Voltage: 230; 60 Hz (190; 50 Hz)
- 0 $382.31
26 STE-1-048-161-00-BH Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [6] = 3 
Leadwire Position [00] = Internal and external leadwire position 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [H] = Voltage: 220; 50 Hz
- 0 $382.31
27 STE-1-048-161-00-BL Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [6] = 3 
Leadwire Position [00] = Internal and external leadwire position 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [L] = Voltage: 460; 60 Hz (380; 50 Hz)
- 0 $382.31
28 STE-1-048-161-00-BM Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [6] = 3 
Leadwire Position [00] = Internal and external leadwire position 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [M] = Voltage: 415; 50 Hz
- 0 $382.31
29 STE-1-048-161-00-BO Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [6] = 3 
Leadwire Position [00] = Internal and external leadwire position 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [O] = Voltage: 110/220; 50 Hz
- 0 $382.31
30 STE-1-048-161-00-BP Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [6] = 3 
Leadwire Position [00] = Internal and external leadwire position 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [P] = Voltage: 115/208-230; 60 Hz
- 0 $382.31
31 STE-1-048-161-00-BQ Stearns Disc Brake Assembly 
Part 1-048-161-00-BQ 
104816100BQ 
Series 48,XXX Brake 
Nominal Static Torque (lb-ft) [6] = 3 
Leadwire Position [00] = Internal and external leadwire position 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [Q] = Voltage: 208-230/460; 60 Hz (190/380; 50 Hz) 
Ships in 
Dated
- 0 $382.31
32 STE-1-048-161-00-BR Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [6] = 3 
Leadwire Position [00] = Internal and external leadwire position 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [R] = Voltage: 200/400; 60 Hz
- 0 $382.31
33 STE-1-048-161-00-KB Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [6] = 3 
Leadwire Position [00] = Internal and external leadwire position 
Hub [K] = Bore: 1/2; Keyway: 1/8 x 1/16 
Standard AC Voltage Rating [B] = Voltage: 115; 60 Hz
- 0 $382.31
34 STE-1-048-161-00-KF Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [6] = 3 
Leadwire Position [00] = Internal and external leadwire position 
Hub [K] = Bore: 1/2; Keyway: 1/8 x 1/16 
Standard AC Voltage Rating [F] = Voltage: 230; 60 Hz (190; 50 Hz)
- 0 $382.31
35 STE-1-048-161-00-KL Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [6] = 3 
Leadwire Position [00] = Internal and external leadwire position 
Hub [K] = Bore: 1/2; Keyway: 1/8 x 1/16 
Standard AC Voltage Rating [L] = Voltage: 460; 60 Hz (380; 50 Hz)
- 0 $382.31
36 STE-1-048-161-00-KM Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [6] = 3 
Leadwire Position [00] = Internal and external leadwire position 
Hub [K] = Bore: 1/2; Keyway: 1/8 x 1/16 
Standard AC Voltage Rating [M] = Voltage: 415; 50 Hz
- 0 $382.31
37 STE-1-048-161-00-KN Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [6] = 3 
Leadwire Position [00] = Internal and external leadwire position 
Hub [K] = Bore: 1/2; Keyway: 1/8 x 1/16 
Standard AC Voltage Rating [N] = Voltage: 575; 60 Hz
- 0 $382.31
38 STE-1-048-161-00-KP Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [6] = 3 
Leadwire Position [00] = Internal and external leadwire position 
Hub [K] = Bore: 1/2; Keyway: 1/8 x 1/16 
Standard AC Voltage Rating [P] = Voltage: 115/208-230; 60 Hz
- 0 $382.31
39 STE-1-048-161-00-KQ Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [6] = 3 
Leadwire Position [00] = Internal and external leadwire position 
Hub [K] = Bore: 1/2; Keyway: 1/8 x 1/16 
Standard AC Voltage Rating [Q] = Voltage: 208-230/460; 60 Hz (190/380; 50 Hz)
- 0 $382.31
40 STE-1-048-161-01-BB Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [6] = 3 
Leadwire Position [01] = Internal only 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [B] = Voltage: 115; 60 Hz
- 0 $347.16
41 STE-1-048-161-01-BD Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [6] = 3 
Leadwire Position [01] = Internal only 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [D] = Voltage: 110; 50 Hz
- 0 $347.16
42 STE-1-048-161-01-BE Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [6] = 3 
Leadwire Position [01] = Internal only 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [E] = Voltage: 200; 60 Hz
- 0 $347.16
43 STE-1-048-161-01-BF Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [6] = 3 
Leadwire Position [01] = Internal only 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [F] = Voltage: 230; 60 Hz (190; 50 Hz)
- 0 $347.16
44 STE-1-048-161-01-BL Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [6] = 3 
Leadwire Position [01] = Internal only 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [L] = Voltage: 460; 60 Hz (380; 50 Hz)
- 0 $347.16
45 STE-1-048-161-01-BM Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [6] = 3 
Leadwire Position [01] = Internal only 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [M] = Voltage: 415; 50 Hz
- 0 $347.16
46 STE-1-048-161-01-BN Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [6] = 3 
Leadwire Position [01] = Internal only 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [N] = Voltage: 575; 60 Hz
- 0 $347.16
47 STE-1-048-161-01-BO Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [6] = 3 
Leadwire Position [01] = Internal only 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [O] = Voltage: 110/220; 50 Hz
- 0 $347.16
48 STE-1-048-161-01-BP Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [6] = 3 
Leadwire Position [01] = Internal only 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [P] = Voltage: 115/208-230; 60 Hz
- 0 $347.16
49 STE-1-048-161-01-BQ Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [6] = 3 
Leadwire Position [01] = Internal only 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [Q] = Voltage: 208-230/460; 60 Hz (190/380; 50 Hz)
- 0 $347.16
50 STE-1-048-161-01-CN Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [6] = 3 
Leadwire Position [01] = Internal only 
Hub [C] = Bore: 3/4; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [N] = Voltage: 575; 60 Hz
- 0 $544.88
51 STE-1-048-161-01-KF Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [6] = 3 
Leadwire Position [01] = Internal only 
Hub [K] = Bore: 1/2; Keyway: 1/8 x 1/16 
Standard AC Voltage Rating [F] = Voltage: 230; 60 Hz (190; 50 Hz)
- 0 $347.16
52 STE-1-048-161-01-KL Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [6] = 3 
Leadwire Position [01] = Internal only 
Hub [K] = Bore: 1/2; Keyway: 1/8 x 1/16 
Standard AC Voltage Rating [L] = Voltage: 460; 60 Hz (380; 50 Hz)
- 0 $347.16
53 STE-1-048-161-01-KP Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [6] = 3 
Leadwire Position [01] = Internal only 
Hub [K] = Bore: 1/2; Keyway: 1/8 x 1/16 
Standard AC Voltage Rating [P] = Voltage: 115/208-230; 60 Hz
- 0 $347.16
54 STE-1-048-161-01-KQ Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [6] = 3 
Leadwire Position [01] = Internal only 
Hub [K] = Bore: 1/2; Keyway: 1/8 x 1/16 
Standard AC Voltage Rating [Q] = Voltage: 208-230/460; 60 Hz (190/380; 50 Hz)
- 0 $347.16
55 STE-1-048-165-00-BU Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [6] = 3 
Leadwire Position [00] = Internal and external leadwire position 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [U] = N/A
- 0 $645.96
56 STE-1-048-165-00-BX Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [6] = 3 
Leadwire Position [00] = Internal and external leadwire position 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [X] = N/A
- 0 $645.96
57 STE-1-048-165-01-BX Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [6] = 3 
Leadwire Position [01] = Internal only 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [X] = N/A
- 0 $610.80
58 STE-1-048-171-00-BB Stearns Disc Brake Assembly  
Part 1-048-171-00-BB 
104817100BB 
7 = 6 LBS FT Nominal Static Torque 
00 = Leadwire Position, Internal and External 
B = Hub Bore 5/8 Inch 
Keyway 3/16 x 3/32 
B = Standard AC Voltage, 115 Volt AC 60 Hz 
Ships in 10 Days, WI 
Dated 10-2020
- 0 $436.76
59 STE-1-048-171-00-BF Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [7] = 6 
Leadwire Position [00] = Internal and external leadwire position 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [F] = Voltage: 230; 60 Hz (190; 50 Hz)
- 0 $395.49
60 STE-1-048-171-00-BH Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [7] = 6 
Leadwire Position [00] = Internal and external leadwire position 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [H] = Voltage: 220; 50 Hz
- 0 $395.49
61 STE-1-048-171-00-BL Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [7] = 6 
Leadwire Position [00] = Internal and external leadwire position 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [L] = Voltage: 460; 60 Hz (380; 50 Hz)
- 0 $395.49
62 STE-1-048-171-00-BM Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [7] = 6 
Leadwire Position [00] = Internal and external leadwire position 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [M] = Voltage: 415; 50 Hz
- 0 $395.49
63 STE-1-048-171-00-BN Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [7] = 6 
Leadwire Position [00] = Internal and external leadwire position 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [N] = Voltage: 575; 60 Hz
- 0 $395.49
64 STE-1-048-171-00-BP Stearns Series 48,XXX Brake 
Part 1-048-171-00-BP 
7 = 6 LB Feet Nominal Static Torque 
00 = Internal and external leadwire position 
B = 0.625 Inch Hub with a 3/16 x 3/32 keyway 
P = 115 / 208 - 230 Volt 60 Hz 
Stock to 10 days 
Dated 1/18 
(6LBS)
- 0 $415.53
65 STE-1-048-171-00-BQ Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [7] = 6 
Leadwire Position [00] = Internal and external leadwire position 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [Q] = Voltage: 208-230/460; 60 Hz (190/380; 50 Hz)
- 0 $395.49
66 STE-1-048-171-00-KF Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [7] = 6 
Leadwire Position [00] = Internal and external leadwire position 
Hub [K] = Bore: 1/2; Keyway: 1/8 x 1/16 
Standard AC Voltage Rating [F] = Voltage: 230; 60 Hz (190; 50 Hz)
- 0 $395.49
67 STE-1-048-171-00-KQ Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [7] = 6 
Leadwire Position [00] = Internal and external leadwire position 
Hub [K] = Bore: 1/2; Keyway: 1/8 x 1/16 
Standard AC Voltage Rating [Q] = Voltage: 208-230/460; 60 Hz (190/380; 50 Hz)
- 0 $395.49
68 STE-1-048-171-01-BB Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [7] = 6 
Leadwire Position [01] = Internal only 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [B] = Voltage: 115; 60 Hz
- 0 $360.33
69 STE-1-048-171-01-BF Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [7] = 6 
Leadwire Position [01] = Internal only 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [F] = Voltage: 230; 60 Hz (190; 50 Hz)
- 0 $360.33
70 STE-1-048-171-01-BH Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [7] = 6 
Leadwire Position [01] = Internal only 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [H] = Voltage: 220; 50 Hz
- 0 $360.33
71 STE-1-048-171-01-BJ Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [7] = 6 
Leadwire Position [01] = Internal only 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [J] = N/A
- 0 $505.34
72 STE-1-048-171-01-BL Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [7] = 6 
Leadwire Position [01] = Internal only 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [L] = Voltage: 460; 60 Hz (380; 50 Hz)
- 0 $360.33
73 STE-1-048-171-01-BM Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [7] = 6 
Leadwire Position [01] = Internal only 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [M] = Voltage: 415; 50 Hz
- 0 $360.33
74 STE-1-048-171-01-BN Stearns Disc Brake 
Part 1-048-171-01-BN 
Series 48,XXX Brake 
7 = 6 LB FT Nominal Static Torque 
1 = Leadwire Position, Internal only 
B = Hub Bore 5/8" with a Keyway 3/16" x 3/32" 
N = 575 Volt @ 60 Hz 
Dated 1/18
- 0 $378.59
75 STE-1-048-171-01-BO Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [7] = 6 
Leadwire Position [01] = Internal only 
Hub [B] = Bore: 5/8; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [O] = Voltage: 110/220; 50 Hz
- 0 $360.33
76 STE-1-048-171-01-BP Stearns Disc Brake Assembly 
Model 1-048-171-01-BP 
104817101BP 
Series 48,XXX Disc Brake 
Nominal Static Torque 6 LB FT 
Leadwire Position,Internal only 
Hub Bore 5/8 
Keyway 3/16 x 3/32 
Standard AC Voltage Rating 
Voltage: 115 / 208-230 60 Hz 
Ships in 2 Weeks, WI Racine 
Dated 03-2022
- 0 $434.65
77 STE-1-048-171-01-BQ Stearns Disc Brake Assembly 48K 
Model 1-048-171-01-BQ 
104817101BQ 
Nominal Static Torque 6 FT LB 
Leadwire Position, Internal only 
Hub Bore 5/8 Inch 
Keyway 3/16 x 3/32 Inch 
Standard AC Voltage Rating 
Voltage 208 to 230 / 460 60 Hz 
190 / 380 Volt @ 50 Hz 
Ships in 2 Weeks, WI Racine 
Dated 02-2024
- 0 $498.09
78 STE-1-048-171-01-CL Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [7] = 6 
Leadwire Position [01] = Internal only 
Hub [C] = Bore: 3/4; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [L] = Voltage: 460; 60 Hz (380; 50 Hz)
- 0 $360.33
79 STE-1-048-171-01-CN Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [7] = 6 
Leadwire Position [01] = Internal only 
Hub [C] = Bore: 3/4; Keyway: 3/16 x 3/32 
Standard AC Voltage Rating [N] = Voltage: 575; 60 Hz
- 0 $558.08
80 STE-1-048-171-01-KB Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [7] = 6 
Leadwire Position [01] = Internal only 
Hub [K] = Bore: 1/2; Keyway: 1/8 x 1/16 
Standard AC Voltage Rating [B] = Voltage: 115; 60 Hz
- 0 $360.33
81 STE-1-048-171-01-KF Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [7] = 6 
Leadwire Position [01] = Internal only 
Hub [K] = Bore: 1/2; Keyway: 1/8 x 1/16 
Standard AC Voltage Rating [F] = Voltage: 230; 60 Hz (190; 50 Hz)
- 0 $360.33
82 STE-1-048-171-01-KL Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [7] = 6 
Leadwire Position [01] = Internal only 
Hub [K] = Bore: 1/2; Keyway: 1/8 x 1/16 
Standard AC Voltage Rating [L] = Voltage: 460; 60 Hz (380; 50 Hz)
- 0 $360.33
83 STE-1-048-171-01-KQ Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [7] = 6 
Leadwire Position [01] = Internal only 
Hub [K] = Bore: 1/2; Keyway: 1/8 x 1/16 
Standard AC Voltage Rating [Q] = Voltage: 208-230/460; 60 Hz (190/380; 50 Hz)
- 0 $360.33
84 STE-1-048-171-01-NL Stearns Series 48,XXX Brakes: 
Nominal Static Torque (lb-ft) [7] = 6 
Leadwire Position [01] = Internal only 
Hub [N] = N/A 
Standard AC Voltage Rating [L] = Voltage: 460; 60 Hz (380; 50 Hz)
- 0 $558.08
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About Stearns Products

 
About Stearns Products
 
Stearns is the leading manufacturer of spring-set electrically set motor brakes.
 
Choosing Stearns means you'll receive:
 
  • The broadest line of industrial brakes available from any
    single manufacturer.
  • The shortest lead times.
  • The best quality products to bring you maximum performance.
  • The most consistent and courteous customer service available in
    the power transmission business.
 
We always totally focused on the needs of its customers, setting the standard for brake and clutch quality, on-time performance, and commitment to innovative service.
 
Brakes

Motor Mounted Brakes

Double C-Face
Coupler Brakes

Division 1 Hazardous
Location Brakes

Division 2 Hazardous
Location Brakes

Encoder Brakes

Stainless Steel Motor
Mounted Brakes

Stainless Steel Double
C-Face Coupler Brakes

Marine, Maritime
and Navy Brakes

Servo and Stepper
Motor Brakes

Small Gearmotor Brakes

Small Gearmotor Brakes,
Quiet Operation

Small Gearmotor Brakes,
High Cycling Brake,
NEMA C-Face

Heavy Duty Electromagnetic
Spring Engaged Brakes

European Style
Direct Acting NEMA
C-Face Brakes

Brakes for Portal
Crane Applications

Quiet Brakes

Caliper Brakes

Bearing Supported
Thru-Shaft Brakes

MSHA Certified
Mining Brakes

Power On
Modular Brakes

Mechanical
Lockout Brakes
 

Brakes and
Replacement Parts
 
 
 
Clutches

Heavy Duty Electrically
Engaged Clutches
 

Heavy Duty Spring
Engaged Clutches
 

Power On Modular
Clutch Brakes
 

Power On Modular
Clutches
 

Small Industrial
Clutches
 
 
Solid State Switches for Single Phase Motors (SINPAC)

Switches for Capacitor Start
and Start, Run Motors
 

Switches for Capacitor
Start Motors
 

Switches for Capacitor
Start, Run Motors
 

Switches for Instant Reverse
Capacitor Start Motors
 

Switches for Split
Phase Motors
 
 
Miscellaneous Products

Foot Mounting Kits
 

Industrial Solenoids
 

Motor Frame Adapter Kits
 

Rectifiers
 

Installation and Maintenance Documentation
 
 
This web site is owned and operated by Brake Products, Inc.
Brake Products, Inc.   16751 Hilltop Park Place
  Chagrin Falls, Ohio 44023
  Phone: (440) 543-7962
  Fax:     (440) 543-7963
  Web:   www.brakeproducts.com
  Email: sales@brakeproducts.com
  Federal ID #: 34-1473351
  CAGE Code: 1QTP8
  DUNS# 14-748-2392
  Download: Form W-9
  ACH Form: Word   /   PDF
Supplier of Industrial Brake Parts Since 1985