Sprag Clutch Bearings

A sprag clutch bearing is a one way freewheel clutch that turns in a single direction. This type of bearing is usually supplied already filled with grease meaning it can be used straight away and requires little maintenance or additional grease before use

Freewheel bearings are characterised by their ability to only turn in one direction which means they can transmit torque from shaft to housing in one direction and allow free rotation in the other. Sprag type designs typically have a higher torque capacity than a similar sized ramp and roller type clutch.

RS Components have a range of sprag clutch bearings in different diameters to meet various bearing solution applications. Our sprag clutch bearings features keyways on both inner and outer races for increased torque and inner race only.

How does a sprag clutch bearing work?

The sprags are placed in a certain angled way which allows rotation in only one direction and will lock when force is applied in the opposite direction.

Typical Applications

  • Sprag clutches are suited for automotive industries such as transition systems to change gears smoothly
  • Conveyer drives
  • Hoist load brake in the event of mechanical failure
  • Fan drives
  • Pumps
  • Printing machines

...
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Description Price Series Inside Diameter Outside Diameter Race Width Torque Over-running Speed Dynamic Load Rating Static Load Rating Keyway Drag Torque
RS Stock No. 146-5250
Mfr. Part No.CSK 25-M
BrandStieber
€101.20
Each
units
6205 25mm 52mm 15mm 85Nm 5200rpm 10.7kN 5.46kN Inner and Outer Race 2Ncm
RS Stock No. 146-5251
Mfr. Part No.CSK 25-PP
BrandStieber
€122.45
Each
units
6205 25mm 52mm 15mm 85Nm 5200rpm 10.7kN 5.46kN Inner and Outer Race 2Ncm
RS Stock No. 184-5758
Mfr. Part No.TSS8
BrandTsubaki
€103.52
Each
units
TSS 8mm 24mm 8mm 6.7Nm 3000 (Outer Race) RPM, 6000 (Inner Race) RPM - - Inner Race -
RS Stock No. 146-5257
Mfr. Part No.CSK 40-PP
BrandStieber
€197.79
Each
units
62 40mm 80mm 22mm 325Nm 3000rpm 15.54kN 12.25kN Inner and Outer Race 7Ncm
RS Stock No. 184-5746
Mfr. Part No.BB25-1K-K
BrandTsubaki
€52.72
Each
units
BB-1K-K 25mm 52mm 15mm 78Nm 1400 (Outer Race) RPM, 2500 (Inner Race) RPM 10700N 6300N Inner Race -
RS Stock No. 146-5260
Mfr. Part No.CSK 30-PP
BrandStieber
€137.59
Each
units
6206 30mm 62mm 16mm 138Nm 4200rpm 11.7kN 6.45kN Inner and Outer Race 4.4Ncm
RS Stock No. 184-5759
Mfr. Part No.TSS10
BrandTsubaki
€102.44
Each
units
TSS 10mm 30mm 9mm 12Nm 2300 (Outer Race) RPM, 4500 (Inner Race) RPM - - Inner Race -
RS Stock No. 184-5776
Mfr. Part No.TFS25
BrandTsubaki
€182.94
Each
units
TFS 25mm 62mm 24mm 128Nm 1000 (Outer Race) RPM, 2000 (Inner Race) RPM - - Inner Race -
RS Stock No. 184-5747
Mfr. Part No.BB30-1K-K
BrandTsubaki
€69.94
Each
units
BB-1K-K 30mm 62mm 16mm 140Nm 1100 (Outer Race) RPM, 2000 (Inner Race) RPM 11900N 7900N Inner Race -
RS Stock No. 146-5252
Mfr. Part No.CSK 20-P
BrandStieber
€107.50
Each
units
62 20mm 47mm 14mm 50Nm 6000rpm 9.4kN 4.46kN Inner and Outer Race 1.3Ncm
RS Stock No. 146-5261
Mfr. Part No.CSK 30-M-2RS
BrandStieber
€123.25
Each
units
62 30mm 62mm 21mm 138Nm 4200rpm 11.7kN 6.45kN Inner and Outer Race 7.5Ncm
RS Stock No. 184-5760
Mfr. Part No.TSS12
BrandTsubaki
€101.11
Each
units
TSS 12mm 32mm 10mm 17Nm 2000 (Outer Race) RPM, 4000 (Inner Race) RPM - - Inner Race -
RS Stock No. 184-5755
Mfr. Part No.BB30-2K-K
BrandTsubaki
€75.58
Each
units
BB-2K-K 30mm 62mm 16mm 140Nm 1100 (Outer Race) RPM, 2000 (Inner Race) RPM 11900N 7900N Inner and Outer Race -
RS Stock No. 184-5772
Mfr. Part No.TFS15
BrandTsubaki
€122.60
Each
units
TFS 15mm 42mm 18mm 28Nm 1800 (Outer Race) RPM, 3500 (Inner Race) RPM - - Inner Race -
RS Stock No. 184-5777
Mfr. Part No.TFS30
BrandTsubaki
€209.37
Each
units
TFS 30mm 72mm 27mm 200Nm 800 (Outer Race) RPM, 1600 (Inner Race) RPM - - Inner Race -
RS Stock No. 184-5748
Mfr. Part No.BB35-1K-K
BrandTsubaki
€82.51
Each
units
BB-1K-K 35mm 72mm 17mm 173Nm 1000 (Outer Race) RPM, 1800 (Inner Race) RPM 13500N 9700N Inner Race -
RS Stock No. 174-1069
Mfr. Part No.HF3020-L564
BrandINA
€27.86
Each
units
HF 30mm 37mm 20mm 90Nm 4500rpm - - - -
RS Stock No. 184-5780
Mfr. Part No.TFS45
BrandTsubaki
€397.64
Each
units
TFS 45mm 100mm 36mm 756Nm 550 (Outer Race) RPM, 1100 (Inner Race) RPM - - Inner Race -
RS Stock No. 184-5761
Mfr. Part No.TSS15
BrandTsubaki
€107.56
Each
units
TSS 15mm 35mm 11mm 22Nm 1800 (Outer Race) RPM, 3500 (Inner Race) RPM - - Inner Race -
RS Stock No. 146-5249
Mfr. Part No.CSK 17-M
BrandStieber
€89.38
Each
units
6203 17mm 40mm 12mm 30Nm 7350rpm 7.9kN 3.8kN Inner and Outer Race 1.1Ncm