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

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  • 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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    Viewing 1 - 20 of 25 products
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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. 146-5258
    Mfr. Part No.CSK 30-P
    BrandStieber
    $202.26
    Each
    units
    62 30mm 62mm 16mm 138Nm 4200rpm 11.7kN 6.45kN Inner and Outer Race 4.4Ncm
    RS Stock No. 146-5256
    Mfr. Part No.CSK 20-PP
    BrandStieber
    $208.41
    Each
    units
    6204 20mm 47mm 14mm 50Nm 6000rpm 9.4kN 4.46kN Inner and Outer Race 1.3Ncm
    RS Stock No. 146-5246
    Mfr. Part No.CSK 20-M
    BrandStieber
    $158.53
    Each
    units
    6204 20mm 47mm 14mm 50Nm 6000rpm 9.4kN 4.46kN Inner and Outer Race 1.3Ncm
    RS Stock No. 146-5259
    Mfr. Part No.CSK 15-M
    BrandStieber
    $158.53
    Each
    units
    6202 15mm 35mm 11mm 17Nm 8400rpm 7.4kN 3.42kN Inner and Outer Race 0.9Ncm
    RS Stock No. 146-5252
    Mfr. Part No.CSK 20-P
    BrandStieber
    $173.11
    Each
    units
    62 20mm 47mm 14mm 50Nm 6000rpm 9.4kN 4.46kN Inner and Outer Race 1.3Ncm
    RS Stock No. 146-5266
    Mfr. Part No.ASNU 20
    BrandStieber
    $312.93
    Each
    units
    63 20mm 52mm 21mm 78Nm 2100 (Inner) rpm, 3100 (Outer) rpm - - Inner and Outer Race 1.9Ncm
    RS Stock No. 146-5263
    Mfr. Part No.CSK 20-M-2RS
    BrandStieber
    $178.82
    Each
    units
    62 20mm 47mm 19mm 50Nm 6000rpm 9.4kN 4.46kN Inner and Outer Race 6Ncm
    RS Stock No. 146-5248
    Mfr. Part No.CSK 35-M
    BrandStieber
    $183.80
    Each
    units
    6207 35mm 72mm 17mm 175Nm 3600rpm 12.6kN 7.28kN Inner and Outer Race 5.8Ncm
    RS Stock No. 146-5251
    Mfr. Part No.CSK 25-PP
    BrandStieber
    $214.14
    Each
    units
    6205 25mm 52mm 15mm 85Nm 5200rpm 10.7kN 5.46kN Inner and Outer Race 2Ncm
    RS Stock No. 146-5255
    Mfr. Part No.CSK 98-L
    BrandStieber
    $207.19
    Each
    units
    62 8mm 22mm 9mm 2.5Nm 15000rpm 3.28kN 0.86kN Inner and Outer Race 0.5Ncm
    RS Stock No. 146-5270
    Mfr. Part No.ASNU 35
    BrandStieber
    $572.28
    Each
    units
    63 35mm 80mm 31mm 383Nm 1200 (Inner) rpm, 1900 (Outer) rpm - - Inner and Outer Race 16Ncm
    RS Stock No. 146-5257
    Mfr. Part No.CSK 40-PP
    BrandStieber
    $306.26
    Each
    units
    62 40mm 80mm 22mm 325Nm 3000rpm 15.54kN 12.25kN Inner and Outer Race 7Ncm
    RS Stock No. 146-5261
    Mfr. Part No.CSK 30-M-2RS
    BrandStieber
    $193.89
    Each
    units
    62 30mm 62mm 21mm 138Nm 4200rpm 11.7kN 6.45kN Inner and Outer Race 7.5Ncm
    RS Stock No. 146-5267
    Mfr. Part No.ASNU 25
    BrandStieber
    $345.68
    Each
    units
    63 25mm 62mm 24mm 125Nm 1700 (Inner) rpm, 2600 (Outer) rpm - - Inner and Outer Race 5.6Ncm
    RS Stock No. 146-5247
    Mfr. Part No.CSK 30-M
    BrandStieber
    $181.99
    Each
    units
    6207 35mm 72mm 17mm 175Nm 3600rpm 12.6kN 7.28kN Inner and Outer Race 5.8Ncm
    RS Stock No. 146-5265
    Mfr. Part No.CSK 35-P
    BrandStieber
    $226.75
    Each
    units
    62 35mm 72mm 17mm 175Nm 3600rpm 12.6kN 7.28kN Inner and Outer Race 5.8Ncm
    RS Stock No. 146-5250
    Mfr. Part No.CSK 25-M
    BrandStieber
    $162.97
    Each
    units
    6205 25mm 52mm 15mm 85Nm 5200rpm 10.7kN 5.46kN Inner and Outer Race 2Ncm
    RS Stock No. 146-5254
    Mfr. Part No.CSK 25-P
    BrandStieber
    $178.82
    Each
    units
    62 25mm 52mm 15mm 85Nm 5200rpm 10.7kN 5.46kN Inner and Outer Race 2Ncm
    RS Stock No. 146-5269
    Mfr. Part No.ASNU 12
    BrandStieber
    $242.82
    Each
    units
    63 12mm 35mm 13mm 12Nm 3300 (Inner) rpm, 50000 (Outer) rpm - - Inner and Outer Race 1.6Ncm
    RS Stock No. 146-5260
    Mfr. Part No.CSK 30-PP
    BrandStieber
    $213.06
    Each
    units
    6206 30mm 62mm 16mm 138Nm 4200rpm 11.7kN 6.45kN Inner and Outer Race 4.4Ncm