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Smarter Bearing Selection Is Here

The Timken ® Syber ® Bearing System Designer Tool now features Smart Selection, enabling users to find the right bearing faster by filtering options based on target life and key dimensions.

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Analyze Bearing Performance in an Application with Timken ® Syber ® Bearing System Designer

A powerful software tool that combines calculators and configurators to assist you with application design, bearing selection, installation, and troubleshooting. It’s free, easy-to-use, and accessible 24/7.

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  • Steel Curved Jaw Coupling Hubs, CJ Series - Imperial
  • Steel Curved Jaw Coupling Hubs, CJ Series - Imperial - Type B Hubs
    A complete CJ Series coupling is comprised of two standard CJ hubs and one CJ spider. Four types of spiders are available for the CJ Series.
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Bore Size (mm)

Coupling Size

Hub Style

Keyway Size  (mm)

Part Number

Item Name

Description 

Bore Size

Coupling Size

Hub Style

Keyway Size

Outside Diameter

Overall Coupling Length

CAD

N/A Curved Jaw Coupling Hub w/ Keyway N/A CJ24A-HUB-PM-14MM-5X2.3MMKW N/A 14.00 mm N/A 24 N/A A N/A 5 x 2.3 mm N/A 2.200 in55.88 mm N/A 3.070 in77.98 mm N/A CAD
N/A Curved Jaw Coupling Hub w/ Keyway N/A CJ24A-HUB-PM-19MMH7-6X2.8MMKW N/A 19.00 mm N/A 24 N/A A N/A 6 x 2.8 mm N/A 2.200 in55.88 mm N/A 3.070 in77.98 mm N/A CAD
N/A Curved Jaw Coupling Hub w/ Keyway N/A CJ24A-HUB-PM-20MMH7-6X2.8MMKW N/A 20.00 mm N/A 24 N/A A N/A 6 x 2.8 mm N/A 2.200 in55.88 mm N/A 3.070 in77.98 mm N/A CAD
N/A Curved Jaw Coupling Hub w/ Keyway N/A CJ38A-HUB-PM-28MMH7-8X3.3MMKW N/A 28.00 mm N/A 38 N/A A N/A 8 X 3.3 mm N/A 3.150 in80.00 mm N/A 4.490 in114.05 mm N/A CAD
N/A Curved Jaw Coupling Hub w/ Keyway N/A CJ38A-HUB-PM-30MMH7-8X3.3MMKW N/A 30.00 mm N/A 38 N/A A N/A 8 X 3.3 mm N/A 3.150 in80.00 mm N/A 4.490 in114.05 mm N/A CAD
N/A Curved Jaw Coupling Hub w/ Keyway N/A CJ38A-HUB-PM-32MMH7-10X3.3MMKW N/A 32.00 mm N/A 38 N/A A N/A 10 x 3.3 mm N/A 3.150 in80.00 mm N/A 4.490 in114.05 mm N/A CAD
N/A Curved Jaw Coupling Hub w/ Keyway N/A CJ38A-HUB-PM-35MMH7-10X3.3MMKW N/A 35.00 mm N/A 38 N/A A N/A 10 x 3.3 mm N/A 3.150 in80.00 mm N/A 4.490 in114.05 mm N/A CAD
N/A Curved Jaw Coupling Hub w/ Keyway N/A CJ38A-HUB-PM-38MMH7-10X3.3MMKW-SS180 N/A 38.00 mm N/A 38 N/A A N/A 10 x 3.3 mm N/A 3.150 in80.00 mm N/A 4.490 in114.05 mm N/A CAD
N/A Curved Jaw Coupling Hub w/o Keyway N/A CJ19A-HUB-PM-12MM-4X1.8MMKW N/A 12.00 mm N/A 19 N/A A N/A 4 x 1.8 mm N/A 1.57 in39.88 mm N/A 2.6 in66.04 mm N/A CAD
N/A Curved Jaw Coupling Hub w/o Keyway N/A CJ19A-HUB-PM-14MM-5X2.3MMKW N/A 14.00 mm N/A 19 N/A A N/A 5 x 2.3 mm N/A 1.57 in39.88 mm N/A 2.6 in66.04 mm N/A CAD
N/A Curved Jaw Coupling Hub w/ Keyway N/A CJ38A-HUB-PM-25MMH7-8X3.3MMKW N/A 25 mm N/A 38 N/A A N/A 8 X 3.3 mm N/A 3.150 in80 mm N/A 4.490 in114.05 mm N/A CAD
N/A Curved Jaw Coupling Hub w/ Keyway N/A CJ28A-HUB-PM-24MMH7-8X3.3MMKW N/A 24 mm N/A 28 N/A A N/A 8 X 3.3 mm N/A 2.560 in65.00 mm N/A 3.540 in90.00 mm N/A
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