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    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.
Unit of Measure



N/A Lovejoy: CAD Models are accurate envelope dimensions only. Features such as bore size and keyway are not rendered or are only representative. Contact Lovejoy Technical Support or refer to product catalogs for details.



N/A CJ 42/55B HUB CI 13T 8/16DP

Hub Style



N/A Curved Jaw Couplings

Hub Material

N/A Cast Iron


N/A Bored


N/A Gray

Bore Type 

N/A Special Spline Bore


N/A 4.80 lb

Dimensional Data

Coupling Size

N/A 42/55

Set Screw Style Coupling Size (Dimension T)

N/A 3/8-16

Length thru Bore (Dimensions LTB1/LTB2)

N/A 1.970 in50.04 mm

Outside Diameter

N/A 3.74 in

Overall Coupling Length

N/A 4.960 in125.98 mm

Spline Size 

N/A 13T Spline 8/16DP

Min. Bore (Dimensions ID1/ID2)

N/A 1.020 in

Max. Bore (Dimensions ID1/ID2)

N/A 2.130 in

Dimension HD

N/A 3.74 in

Cubic inches

N/A 19.24926 in³

Performance Data

Normal Temperature Range (with 80 Shore A, 92 Shore A, and 95/98 Shore A spiders)

N/A -40 to 212 ºF

Max. Temperature Range (with 80 Shore A, 92 Shore A, and 95/98 Shore A spiders)

N/A -50 to 248 ºF

Nominal Torque (with 92 Shore A spider)

N/A 2345.00 in·lb265.00 N·m

Max Torque (with 92 Shore A spider)

N/A 4690.00 in·lb530.00 N·m

Max. Speed

N/A 6000 rpm
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