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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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Simplified Gear Force Analysis

Alex Waye, Timken Application Engineer, shows you how to instantly compute tangential, radial, and axial forces for better design decisions.

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  • Steel Curved Jaw Coupling Hubs, CJ Series - Imperial
    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  (in)

Hub Style

Coupling Size

Keyway Size  (in)

Part Number

Description 

Bore Size 

Hub Style

Coupling Size

Keyway Size 

Outside Diameter

Overall Coupling Length

CAD

N/A CJ19A-HUB-PM-1/2-1/8X1/16KW N/A 3/4 in N/A A N/A 19 N/A 1/8 x 1/16 in N/A 1.57 in39.88 mm N/A 2.6 in66.04 mm N/A CAD
N/A CJ19A-HUB-PM-5/8-3/16X3/32KW N/A 5/8 in N/A A N/A 19 N/A 3/16 x 3/32 in N/A 1.57 in39.88 mm N/A 2.6 in66.04 mm N/A CAD
N/A CJ19A-HUB-PM-7/16-3/32X3/64KW N/A 7/16 in N/A A N/A 19 N/A 3/32 x 3/64 in N/A 1.57 in39.88 mm N/A 2.6 in66.04 mm N/A CAD
N/A CJ19/24B-HUB-PM-3/4-3/16X3/32KW N/A 7/16 in N/A B N/A 19 N/A 3/16 x 3/32 in N/A 1.57 in39.88 mm N/A 2.6 in66.04 mm N/A CAD
N/A CJ24A-HUB-PM-1/2-1/8X1/16KW N/A 1/2 in N/A A N/A 24 N/A 1/8 x 1/16 in N/A 2.200 in55.88 mm N/A 3.070 in77.98 mm N/A CAD
N/A CJ24A-HUB-PM-3/4-3/16X3/32KW N/A 3/4 in N/A A N/A 24 N/A 3/16 x 3/32 in N/A 2.200 in55.88 mm N/A 3.070 in77.98 mm N/A CAD
N/A CJ24A-HUB-PM-5/8-3/16X3/32KW N/A 5/8 in N/A A N/A 24 N/A 3/16 x 3/32 in N/A 2.200 in55.88 mm N/A 3.070 in77.98 mm N/A CAD
N/A CJ24A-HUB-PM-7/16-3/32X3/64KW N/A 7/16 in N/A A N/A 24 N/A 3/32 x 3/64 in N/A 2.200 in55.88 mm N/A 3.070 in77.98 mm N/A CAD
N/A CJ24/32B-HUB-PM-1"-1/4X1/8KW N/A 1 in N/A B N/A 24 N/A 1/4 x 1/8 in N/A 2.200 in55.88 mm N/A 3.070 in77.98 mm N/A CAD
N/A CJ24/32B-HUB-PM-1-1/4-1/4X1/8KW N/A 1 1/4 in N/A B N/A 24 N/A 1/4 x 1/8 in N/A 2.200 in55.88 mm N/A 3.070 in77.98 mm N/A CAD
N/A CJ24/32B-HUB-PM-1-1/8-1/4X1/8KW N/A 1 1/8 in N/A B N/A 24 N/A 1/4 x 1/8 in N/A 2.200 in55.88 mm N/A 3.070 in77.98 mm N/A CAD
N/A CJ28A-HUB-PM-3/4-3/16X3/32KW N/A 3/4 in N/A A N/A 28 N/A 3/16 x 3/32 in N/A 2.560 in65.02 mm N/A 3.540 in89.92 mm N/A CAD
N/A CJ28A-HUB-PM-5/8-3/16X3/32KW N/A 5/8 in N/A A N/A 28 N/A 3/16 x 3/32 in N/A 2.560 in65.02 mm N/A 3.540 in89.92 mm N/A CAD
N/A CJ28A-HUB-PM-7/8-3/16X3/32KW N/A 7/8 in N/A A N/A 28 N/A 3/16 x 3/32 in N/A 2.560 in65.02 mm N/A 3.540 in89.92 mm N/A CAD
N/A CJ28/38B-HUB-PM-1"-1/4X1/8KW N/A 1 in N/A B N/A 28 N/A 1/4 x 1/8 in N/A 2.560 in65.02 mm N/A 3.540 in89.92 mm N/A CAD
N/A CJ28/38B-HUB-PM-1.379-5/16X5/32KW N/A 1 3/8 in N/A B N/A 28 N/A 5/16 x 5/32 in N/A 2.560 in65.02 mm N/A 3.540 in89.92 mm N/A CAD
N/A CJ28/38B-HUB-PM-1-1/2-3/8X3/16KW N/A 1 1/2 in N/A B N/A 28 N/A 3/8 x 3/16 in N/A 2.560 in65.02 mm N/A 3.540 in89.92 mm N/A CAD
N/A CJ28/38B-HUB-PM-1-1/4-1/4X1/8KW N/A 1 1/4 in N/A B N/A 28 N/A 1/4 x 1/8 in N/A 2.560 in65.02 mm N/A 3.540 in89.92 mm N/A CAD
N/A CJ28/38B-HUB-PM-1-1/8-1/4X1/8KW N/A 1 1/8 in N/A B N/A 28 N/A 1/4 x 1/8 in N/A 2.560 in65.02 mm N/A 3.540 in89.92 mm N/A CAD
N/A CJ28/38B-HUB-PM-1-3/8-5/16X5/32KW N/A 1 3/8 in N/A B N/A 28 N/A 5/16 x 5/32 in N/A 2.560 in65.02 mm N/A 3.540 in89.92 mm N/A CAD
N/A CJ38A-HUB-PM-1"-1/4X1/8KW N/A 1 in N/A A N/A 38 N/A 1/4 x 1/8 in N/A 3.150 in80.00 mm N/A 4.490 in114.05 mm N/A CAD
N/A CJ38A-HUB-PM-1-1/4-1/4X1/8KW N/A 1 1/4 in N/A A N/A 38 N/A 1/4 x 1/8 in N/A 3.150 in80.00 mm N/A 4.490 in114.05 mm N/A CAD
N/A CJ38A-HUB-PM-1-1/8-1/4X1/8KW N/A 1 1/8 in N/A A N/A 38 N/A 1/4 x 1/8 in N/A 3.150 in80.00 mm N/A 4.490 in114.05 mm N/A CAD
N/A CJ38A-HUB-PM-1-3/8-5/16X5/32KW N/A 1 3/8 in N/A A N/A 38 N/A 5/16 x 5/32 in N/A 3.150 in80.00 mm N/A 4.490 in114.05 mm N/A CAD
N/A CJ38A-HUB-PM-3/4-3/16X3/32KW N/A 3/4 in N/A A N/A 38 N/A 3/16 x 3/32 in N/A 3.150 in80.00 mm N/A 4.490 in114.05 mm N/A CAD
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