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Mechanical Clutches

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#29615
30333988
Boston Gear 30333988 POR11LTHP52 open gear power transmission component for industrial drive applications requiring reliable torque transmission. Designed for heavy-duty use in material handling, conveyor, and general machinery drives.
Brand Boston Gear
Model 30333988
$38,503.86 Each
Free Shipping orders over $100
#30284
30218932
Boston Gear 30218932 ORC3FJRHP20P20 Centric overload clutch, size 3, fixed jaw rotor configuration with P20 bore for 1-1/4 inch shaft. Protects power transmission drives by disengaging at preset torque limits. Suitable for general industrial torque limiting applications.
Brand Boston Gear
Model 30218932
$6,128.25 Each
Free Shipping orders over $100
#30530
30225969
Boston Gear 30225969 ORC4FRTHP18 Centric overload clutch, size 4, with P18 bore. Designed to protect power transmission drives from torque overloads. Suitable for general industrial applications requiring reliable torque limiting.
Brand Boston Gear
Model 30225969
$7,566.66 Each
Free Shipping orders over $100
#30601
30226056
Boston Gear 30226056 ORC5FJTHP36 Centric overload clutch, size 5, with P36 bore. Designed to protect power transmission drives from torque overloads in industrial applications.
Brand Boston Gear
Model 30226056
$14,027.05 Each
Free Shipping orders over $100
#30628
ORC5SMCHP44P40
Boston Gear 30472519 ORC5SMCHP44P40 Centric overload clutch, size 5, sleeve bushing configuration with hub-pulley mounting. P44 and P40 bore codes specify output and input bore diameters. Torque-limiting design protects downstream equipment from overloads in industrial power transmission applications.
Brand Boston Gear
Model ORC5SMCHP44P40
$13,467.29 Each
Free Shipping orders over $100
#31970
30294418
Boston Gear 30294418 ORC5SBTHP46 Centric overload clutch, size 5, sleeve bushing configuration with hub-pulley design. P46 bore code indicates a 2-7/8 inch bore. This torque limiter protects downstream equipment from damaging overloads in industrial power transmission applications.
Brand Boston Gear
Model 30294418
$14,443.34 Each
Free Shipping orders over $100
#117466
025104
Baldor 025104 BSL-42 electric clutch assembly for industrial motor applications requiring remote engagement. 90V DC clutch with 3/4 horsepower capacity for controlling driven loads on conveyors, machine tools, or indexing systems. Standard NEMA C-face mounting configuration for direct coupling to compatible motors and driven equipment.
Brand Baldor
Model 025104
$900.58 Each
Free Shipping orders over $100
#250607
TT50BS 1 7/16
Martin TT50BS 1 7/16 torque limiter overload clutch with 1-7/16" bored-to-size finished bore, keyway, and setscrews. Protects drive systems from excessive torque in conveyor, packaging, and material handling applications. Steel construction with adjustable torque slip mechanism.
Brand Martin Sprocket
Model TT50BS 1 7/16
$391.64 Each
Free Shipping orders over $100
#250620
TT70BS 1 3/4
Martin TT70BS 1 3/4 overload clutch torque limiter with 1-3/4" finished bore, keyway, and setscrews. Bored-to-size steel construction protects drive systems from overload by slipping at preset torque. Ideal for conveyors, mixers, and other machinery requiring mechanical torque protection.
Brand Martin Sprocket
Model TT70BS 1 3/4
$687.24 Each
Free Shipping orders over $100
#336692
C54034
TB Woods C54034 Roto-Cam clutch in the C540 series with a 3/4" finished bore. Designed for overrunning, indexing, and backstopping applications in industrial power transmission systems.
Brand TB Woods
Model C54034
$1,700.00 Each
Free Shipping orders over $100
#341513
C24034
TB Woods C24034 Roto-Cam clutch with 3/4" finished bore. The C240 series Roto-Cam clutch provides reliable overrunning, indexing, and backstopping in industrial power transmission applications.
Brand TB Woods
Model C24034
$1,900.00 Each
Free Shipping orders over $100
#398331
DC7221(5C)
STIEBER DC7221(5C) RETAINER
Brand STIEBER
Model DC7221(5C)
$244.22 Each
Free Shipping orders over $100
#398833
CL40933-59
Formsprag CL40933-59 FSO-900/4.750 outer-race-driving overrunning clutch with a 4.750-inch bore. This sprag-type clutch is designed for freewheel, indexing, and backstopping applications where the outer race drives. The FSO-900 provides reliable one-way torque transmission in industrial power transmission systems.
Brand Formsprag
Model CL40933-59
$19,906.44 Each
Free Shipping orders over $100
#399016
AL150
STIEBER AL150 CLUTCH ASSEMBLY
Brand STIEBER
Model AL150
$50,581.04 Each
Free Shipping orders over $100
#399135
CSK35-2RS
STIEBER CSK35-2RS CLUTCH ASSEMBLY
Brand STIEBER
Model CSK35-2RS
$365.00 Each
Free Shipping orders over $100
#402313
CL4008-1GRLH
Formsprag CL4008-1GRLH is an FS-100 sprag-type overrunning clutch with a 0.625" bore, greased lubrication, and left-hand free-running direction. The clutch includes a 0.188" x 0.09" keyway and is designed for overrunning, backstopping, and indexing applications in industrial power transmission.
Brand Formsprag
Model CL4008-1GRLH
$5,149.82 Each
Free Shipping orders over $100
#402336
ASNU80
STIEBER ASNU80 CLUTCH ASSEMBLY
Brand STIEBER
Model ASNU80
$6,246.15 Each
Free Shipping orders over $100
#402828
CL41346-1GRRH
Formsprag CL41346-1GRRH FSR-6 sprag backstop clutch with a 0.750-inch bore, greased and right-hand rotation. Designed for inclined conveyor and bucket elevator backstopping to prevent reverse rotation under load. Self-contained sprag backstop from the FSR series.
Brand Formsprag
Model CL41346-1GRRH
$1,355.15 Each
Free Shipping orders over $100
#403136
CL41226-1GRLH
Formsprag CL41226-1GRLH FSR-12/1.500GRLH sprag backstop clutch with a 1.500-inch bore. This greased, left-hand backstop prevents reverse rotation on inclined conveyors and bucket elevators. The FSR series provides reliable holdback in demanding industrial environments.
Brand Formsprag
Model CL41226-1GRLH
$2,091.78 Each
Free Shipping orders over $100
#403160
AL25
STIEBER AL25 CLUTCH ASSY
Brand STIEBER
Model AL25
$2,063.91 Each
Free Shipping orders over $100
#403516
GFR35
STIEBER GFR35 CLUTCH ASSEMBLY
Brand STIEBER
Model GFR35
$2,654.55 Each
Free Shipping orders over $100
#403757
DC5776A
STIEBER DC5776A RETAINER
Brand STIEBER
Model DC5776A
$400.84 Each
Free Shipping orders over $100
#404034
RSCI-20
STIEBER RSCI-20 CLUTCH
Brand STIEBER
Model RSCI-20
$1,230.38 Each
Free Shipping orders over $100
#404325
CL42153-19
Formsprag CL42153-19 FSO-400/.875 outer-race-driving overrunning clutch with a 0.875-inch bore. This sprag-type clutch is designed for overrunning, indexing, and backstopping applications where the outer race drives. The FSO-400 provides reliable freewheeling and positive engagement in industrial power transmission systems.
Brand Formsprag
Model CL42153-19
$1,859.51 Each
Free Shipping orders over $100
#404332
CL42153-19GR
Formsprag CL42153-19GR FSO-400/.875GR is a compact sprag-type outer-race-driving overrunning clutch with a 0.875-inch bore. This greased unit is designed for indexing and backstopping applications where the outer race drives the load. The FSO-400 provides reliable one-way freewheeling in industrial power transmission systems.
Brand Formsprag
Model CL42153-19GR
$2,265.65 Each
Free Shipping orders over $100
#404338
CL42155-2GR
Formsprag CL42155-2GR FSO-600 outer-race-driving overrunning clutch with a 1.375-inch bore. This greased sprag-type clutch is designed for indexing and backstopping applications where the outer race drives. The FSO series offers compact, high-torque performance in a one-way clutch package.
Brand Formsprag
Model CL42155-2GR
$3,592.93 Each
Free Shipping orders over $100
#404342
CL42154-3GR
Formsprag CL42154-3GR FSO-500/1.000GR outer-race-driving overrunning clutch with a 1.000-inch bore. This greased sprag-type clutch is designed for indexing and backstopping applications where the outer race drives. The FSO-500 provides reliable one-way freewheeling in industrial power transmission systems.
Brand Formsprag
Model CL42154-3GR
$2,118.33 Each
Free Shipping orders over $100
#404351
CL41325-13GRRH
Formsprag CL41325-13GRRH FSR-3 sprag backstop clutch with a 0.500-inch bore, greased and right-hand rotation. Designed for inclined conveyor and bucket elevator backstopping applications to prevent reverse rotation under load. Standard catalog stock configuration.
Brand Formsprag
Model CL41325-13GRRH
$1,633.87 Each
Free Shipping orders over $100
#404381
CL42191-1
Formsprag CL42191-1 HPI-600/1.750 high-performance indexing clutch with a 1.750-inch bore. Designed for high-cycle indexing in packaging, paper, and printing equipment. The HPI series provides precise unidirectional intermittent motion from oscillating input.
Brand Formsprag
Model CL42191-1
$3,192.09 Each
Free Shipping orders over $100
#404382
CL42190-8GR
Formsprag CL42190-8GR HPI-500/1.125GR high-performance indexing clutch with a 1.125-inch bore. This greased sprag-type clutch is designed for high-cycle indexing in packaging, paper, and printing equipment. The HPI-500 provides precise unidirectional intermittent motion from oscillating input.
Brand Formsprag
Model CL42190-8GR
$2,118.33 Each
Free Shipping orders over $100
#404505
CL41226-1RH
Formsprag CL41226-1RH FSR-12/1.500RH sprag backstop clutch with a 1.500-inch bore and right-hand rotation. Designed for inclined conveyor and bucket elevator backstopping applications to prevent reverse rotation under load.
Brand Formsprag
Model CL41226-1RH
$2,531.11 Each
Free Shipping orders over $100
#404581
CL4558-1LH
Formsprag CL4558-1LH FS-04 sprag-type overrunning clutch with a 0.375-inch bore and left-hand free-running direction. Designed for indexing, backstopping, and freewheeling applications in industrial power transmission. The FS series features a compact sprag retainer for reliable one-way engagement.
Brand Formsprag
Model CL4558-1LH
$525.60 Each
Free Shipping orders over $100
#404585
CL42208-132-22
Formsprag CL42208-132-22 FSO-600L outer-race-driving overrunning clutch with a 2.000-inch bore. This sprag-type clutch is designed for overrunning, indexing, and backstopping applications where the outer race drives. Supplied with special grease lubrication for custom operating conditions.
Brand Formsprag
Model CL42208-132-22
$3,953.95 Each
Free Shipping orders over $100
#455373
604205
Morse 500 TL BUSHING (480)PB (alt. 604205) is a 500A series torque overload bushing with a 0.48-inch bushing length. Designed for use with Morse torque limiters and overload clutches, it provides reliable overload protection in industrial power transmission applications.
Brand Morse
Model 604205
$28.20 Each
Free shipping
#555151
OC900-2
Linn Gear OC900-2 Drive Saver overload clutch, size 900, 2-pack. Protects machinery from overload damage by disengaging the drive when torque exceeds a preset limit. Suitable for various industrial power transmission applications.
Brand Linn Gear
Model OC900-2
$892.08 Each
Free Shipping orders over $100
#2034062
CL41172-J1
Formsprag CL41172-J1 FSO-600 outer-race-driving overrunning clutch. This sprag-type one-way clutch is designed for outer-race driving in indexing or backstopping applications. The FSO-600 provides reliable freewheeling and torque transmission in industrial power transmission systems.
Brand Formsprag
Model CL41172-J1
$5,801.51 Each
Free Shipping orders over $100
#2274220
187780
Browning TP30HXMPB 187780 Torq Pro torque limiter, TP30H model series, with a straight bore range of 0.47" to 1.1875" and adjustable torque capacity from 475 to 1475 lb-in. Mechanical torque-overload device protects downstream equipment from shock loads and jams in industrial power transmission applications. Genuine Browning component from Regal Rexnord.
Brand Browning
Model 187780
$1,989.82 Each
Free Shipping orders over $100
#2274226
187779
Browning TP30LX 1 3/16 Torq Pro torque limiter with a 1-3/16-inch straight bore and a torque capacity range of 175 to 475 lb-in. It features a compact design for protecting downstream equipment from overloads in industrial power transmission applications. Genuine Browning component from Regal Rexnord.
Brand Browning
Model 187779
$1,895.07 Each
Free Shipping orders over $100
#2295034
2663136
Morse 2663136 MZEU90-CLUTCH MZEU series overload clutch for industrial power transmission applications. This mechanical overload protection device disengages at a preset torque threshold to safeguard machinery from damage. Manufactured by Morse, a Regal Rexnord brand with over 130 years of power transmission expertise.
Brand Morse
Model 2663136
$50,768.91 Each
Free Shipping orders over $100
#2296213
172857
Morse PB-14A CLUTCH 1.75B LH PB Series cam clutch with 1.75-inch bore and left-hand configuration. Rated torque capacity of 1600 ft-lbs, 5.5-inch overall diameter, and 4.375-inch overall width. Designed for backstop, indexing, or freewheeling applications in industrial power transmission systems.
Brand Morse
Model 172857
$4,538.65 Each
Free Shipping orders over $100
#2296418
194624
Morse 500-AG435 SPKT PKG Model 500 torque limiter with 148.84 mm outside diameter. This overload clutch protects industrial machinery from torque spikes by disengaging at a preset limit. Suitable for power transmission applications requiring reliable overload protection.
Brand Morse
Model 194624
$161.37 Each
Free Shipping orders over $100
#2296424
194630
Morse 500-AG630 SPKT PKG (alt. 194630) Model 500 torque limiter with 192.79 mm outside diameter. This overload clutch protects industrial machinery from torque overload by disengaging at a preset threshold. Morse power transmission component.
Brand Morse
Model 194630
$266.61 Each
Free Shipping orders over $100
#2296521
465601
Morse 700A TL HUB 1-1/2 FB torque limiter hub for the 700A series, featuring a 1-1/2-inch bore with a flanged bushing configuration. This hub has a 7-inch outside diameter and is designed for use with Morse Model 700A torque limiters to provide overload protection in industrial power transmission systems.
Brand Morse
Model 465601
$953.39 Each
Free Shipping orders over $100
#2296608
640707
Morse MG600A-G 1-15/16FB CL (alt. 640707) M Series cam clutch with 1-15/16-inch bore and 2250 ft-lbs rated torque capacity. Clutch size 600, 5.375-inch overall diameter, 3.75-inch inner race width. Provides reliable one-way clutching for indexing, backstopping, and freewheeling applications.
Brand Morse
Model 640707
$3,258.94 Each
Free Shipping orders over $100
#2296651
640906
Morse MI600A 1-3/4FB CL M Series cam clutch with 1.75-inch bore and 2250 ft-lbs torque capacity. Size 600 design features 5.375-inch overall diameter and 3.75-inch inner race width for reliable one-way clutching in indexing, backstopping, and freewheeling applications.
Brand Morse
Model 640906
$3,258.94 Each
Free Shipping orders over $100
#2296719
151837
Morse 250CP TL CPLG PKG MPB 1/2 (alt. 151837) torque overload accessory for 250A series couplings. This package includes a taper-lock bushing coupling designed to protect machinery from overload damage.
Brand Morse
Model 151837
$316.29 Each
Free Shipping orders over $100
#2296874
2657062
Morse KK17-1K KK series cam clutch with 17 mm bore and 31.7 ft-lbs rated torque capacity. This one-way clutch provides reliable overrunning, backstopping, and indexing in industrial power transmission applications. Overall diameter 1.575", overall width 0.472". Morse is a Regal Rexnord brand.
Brand Morse
Model 2657062
$975.51 Each
Free Shipping orders over $100
#2296877
2657070
Morse KK17-2K KK series cam clutch with 17 mm bore and 31.7 ft-lbs rated torque capacity. This one-way clutch provides reliable backstopping, indexing, or freewheeling in industrial drives. Overall diameter 1.575", overall width 0.472", inner race width 0.472". Morse is a Regal Rexnord brand.
Brand Morse
Model 2657070
$975.31 Each
Free Shipping orders over $100
#2304726
BS30-30
U.S. Tsubaki BS30-30 BS series backstop cam clutch with 30 mm bore. Prevents reverse rotation on inclined conveyors and bucket elevators, providing reliable holdback torque in a compact, heavy-duty design. Suitable for industrial backstopping applications requiring positive non-reverse protection.
Brand U.S.Tsubaki
Model BS30-30
$1,241.50 Each
Free Shipping orders over $100
#2304813
BSEU90-80
U.S. Tsubaki BSEU90-80 BSEU series backstop cam clutch with 3.15-inch bore. Sprag-type design prevents reverse rotation on inclined conveyor drives, bucket elevators, and pump systems. Provides reliable holdback protection for industrial power-transmission applications.
Brand U.S.Tsubaki
Model BSEU90-80
$2,023.46 Each
Free Shipping orders over $100
#2305004
BB40
U.S. Tsubaki BB40 BB series general use cam clutch for overrunning, indexing, and backstopping applications. Compact design delivers reliable torque transmission and free-wheel operation in industrial drives.
Brand U.S.Tsubaki
Model BB40
$263.45 Each
Free Shipping orders over $100
#2305118
TSS25
U.S. Tsubaki TSS25 TSS series general use cam clutch with 0.984" (24.99 mm) bore. Compact design for overrunning, backstopping, and indexing in industrial drives. Provides reliable torque transmission and freewheeling capability.
Brand U.S.Tsubaki
Model TSS25
$378.41 Each
Free Shipping orders over $100
#2305122
TSS45
U.S. Tsubaki TSS45 TSS series general use cam clutch with a 1.772" (45.01 mm) bore. Designed for overrunning, indexing, and backstopping applications in industrial power transmission systems.
Brand U.S.Tsubaki
Model TSS45
$680.18 Each
Free Shipping orders over $100
#2785929
TT3-J
Zero-Max TT3-J Torq-Tender mechanical overload clutch, frame 3 with J mount. Disengages when shock or jam loads exceed the set torque, protecting downstream equipment. Suitable for industrial power transmission applications requiring reliable torque overload protection.
Brand Zero-Max
Model TT3-J
$588.54 Each
Free Shipping orders over $100
#2785941
TT3TAN-C
Zero-Max TT3TAN-C Torq-Tender mechanical overload clutch, frame 3 coupling style. Disengages rotating machinery upon torque overload to protect downstream components. Suitable for industrial power transmission applications requiring reliable torque limiting.
Brand Zero-Max
Model TT3TAN-C
$807.01 Each
Free Shipping orders over $100
#2785955
TT4X-BP
Zero-Max TT4X-BP Torq-Tender mechanical overload clutch, frame size 4, bushed with actuator pin. Disengages drive on torque overload to protect machinery. Suitable for industrial power transmission applications requiring reliable torque limiting.
Brand Zero-Max
Model TT4X-BP
$1,552.48 Each
Free Shipping orders over $100
#2930795
4871.105.100.075h49
Ringspann 4871.105.100.075h49 FDN105CFH*75MM FREEWHEEL CAM CLUTCH
Brand Ringspann
Model 4871.105.100.075h49
$1,909.76 Each
Free Shipping orders over $100
#2930875
4821.057.109.M00509
Ringspann 4821.057.109.M00509 FRS500*1+14 CAM CLUTCH
Brand Ringspann
Model 4821.057.109.M00509
$1,542.68 Each
Free Shipping orders over $100
#2931152
4862.057.002.000000
Ringspann 4862.057.002.000000 RCD7 BACKSTOP
Brand Ringspann
Model 4862.057.002.000000
$1,332.93 Each
Free Shipping orders over $100
#2931288
4873.028.106.020h16
Ringspann 4873.028.106.020h16 FCN20R ROLLER-RAMP TYPE CLUTCH
Brand Ringspann
Model 4873.028.106.020h16
$221.25 Each
Free Shipping orders over $100