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. 146-5253
Mfr. Part No.CSK 35-PP
BrandStieber
HK$1,325.06
Each
units
6207 35mm 72mm 17mm 175Nm 3600rpm 12.6kN 7.28kN Inner and Outer Race 5.8Ncm
RS Stock No. 174-1070
Mfr. Part No.HF3520-L564
BrandINA
HK$289.42
Each
units
HF 35mm 42mm 20mm 121Nm 3900rpm - - - -
RS Stock No. 146-5270
Mfr. Part No.ASNU 35
BrandStieber
HK$2,905.06
Each
units
63 35mm 80mm 31mm 383Nm 1200 (Inner) rpm, 1900 (Outer) rpm - - Inner and Outer Race 16Ncm
RS Stock No. 146-5254
Mfr. Part No.CSK 25-P
BrandStieber
HK$1,004.68
Each
units
62 25mm 52mm 15mm 85Nm 5200rpm 10.7kN 5.46kN Inner and Outer Race 2Ncm
RS Stock No. 174-1071
Mfr. Part No.HFL3030-L564
BrandINA
HK$481.56
Each
units
HFL 30mm 37mm 30mm 90Nm 4500rpm 11600N 16900N - -
RS Stock No. 146-5250
Mfr. Part No.CSK 25-M
BrandStieber
HK$915.63
Each
units
6205 25mm 52mm 15mm 85Nm 5200rpm 10.7kN 5.46kN Inner and Outer Race 2Ncm
RS Stock No. 146-5257
Mfr. Part No.CSK 40-PP
BrandStieber
HK$1,720.66
Each
units
62 40mm 80mm 22mm 325Nm 3000rpm 15.54kN 12.25kN Inner and Outer Race 7Ncm
RS Stock No. 146-5258
Mfr. Part No.CSK 30-P
BrandStieber
HK$1,136.36
Each
units
62 30mm 62mm 16mm 138Nm 4200rpm 11.7kN 6.45kN Inner and Outer Race 4.4Ncm
RS Stock No. 137-1800
Mfr. Part No.HFL1626-L564
BrandINA
HK$321.04
Each
units
- 16mm 22mm 26mm - - 7400N 9000N - -
RS Stock No. 146-5263
Mfr. Part No.CSK 20-M-2RS
BrandStieber
HK$1,004.68
Each
units
62 20mm 47mm 19mm 50Nm 6000rpm 9.4kN 4.46kN Inner and Outer Race 6Ncm
RS Stock No. 174-1068
Mfr. Part No.HF0306-KF-L564
BrandINA
HK$138.84
Each
units
HF 3mm 6.5mm 6mm 0.18Nm 8000 rpm, 45000rpm - - - -
RS Stock No. 146-5261
Mfr. Part No.CSK 30-M-2RS
BrandStieber
HK$1,013.75
Each
units
62 30mm 62mm 21mm 138Nm 4200rpm 11.7kN 6.45kN Inner and Outer Race 7.5Ncm
RS Stock No. 137-1796
Mfr. Part No.HFL0822-L564
BrandINA
HK$279.61
Each
units
- 8mm 12mm 22mm - - 3650N 3950N - -
RS Stock No. 146-5265
Mfr. Part No.CSK 35-P
BrandStieber
HK$1,185.55
Each
units
62 35mm 72mm 17mm 175Nm 3600rpm 12.6kN 7.28kN Inner and Outer Race 5.8Ncm
RS Stock No. 146-5249
Mfr. Part No.CSK 17-M
BrandStieber
HK$808.78
Each
units
6203 17mm 40mm 12mm 30Nm 7350rpm 7.9kN 3.8kN Inner and Outer Race 1.1Ncm
RS Stock No. 146-5248
Mfr. Part No.CSK 35-M
BrandStieber
HK$1,032.66
Each
units
6207 35mm 72mm 17mm 175Nm 3600rpm 12.6kN 7.28kN Inner and Outer Race 5.8Ncm
RS Stock No. 146-5256
Mfr. Part No.CSK 20-PP
BrandStieber
HK$1,036.66
Each
units
6204 20mm 47mm 14mm 50Nm 6000rpm 9.4kN 4.46kN Inner and Outer Race 1.3Ncm
RS Stock No. 146-5268
Mfr. Part No.ASNU 30
BrandStieber
HK$3,381.59
Each
units
63 30mm 72mm 27mm 255Nm 1400 (Inner) rpm, 2200 (Outer) rpm - - Inner and Outer Race 14Ncm
RS Stock No. 146-5259
Mfr. Part No.CSK 15-M
BrandStieber
HK$890.68
Each
units
6202 15mm 35mm 11mm 17Nm 8400rpm 7.4kN 3.42kN Inner and Outer Race 0.9Ncm
RS Stock No. 174-1069
Mfr. Part No.HF3020-L564
BrandINA
HK$252.11
Each
units
HF 30mm 37mm 20mm 90Nm 4500rpm - - - -