The Timken Company
The Timken Company
4500 Mt Pleasant St. NW
N. Canton, OH 44720
Phone: (234) 262-3000
E-Mail: CustomerCAD@timken.com • Web site: www.timken.com
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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.
Steel Curved Jaw Coupling Hubs, CJ Series - Imperial
Steel Curved Jaw Coupling Hubs, CJ Series - Imperial - Type A Hubs
Unit of Measure
Items Steel Curved Jaw Coupling Hubs, CJ Series - Imperial
68514476183
CJ Series Hubs - Steel, B & BX Style, Inch (Imperial) Bores 		Steel Curved Jaw Coupling Hubs, CJ Series - Imperial
68514476182
CJ Series Hubs - Steel, B & BX Style, Inch (Imperial) Bores 		Steel Curved Jaw Coupling Hubs, CJ Series - Imperial
68514476386
CJ Series Hubs - Steel, B & BX Style, Inch (Imperial) Bores
Description  N/A CJ28/38B-HUB-STL-1/2-1/8X1/16KW N/A CJ28/38B-HUB-STL-5/8-3/16X3/32KIW N/A CJ55/70BX-HUB-STL-2"-1/2X1/4KW
Bore Size  N/A 1/2 in N/A 5/8 in N/A 2 in
Hub Style N/A B N/A B N/A BX
Type N/A Curved Jaw Coupling Hubs
Coupling Size N/A 28 N/A 28 N/A 55
Hub Material N/A Steel
Set Screw Style Coupling Size (Dimension T) N/A 5/16-18 N/A 5/16-18 N/A 3/8-16
Keyway Size N/A 1/8 x 1/16 in N/A 3/16 x 3/32 in N/A 1/2 x 1/4 in
Length thru Bore (Dimensions LTB1/LTB2) N/A 1.380 in35.05 mm N/A 1.380 in35.05 mm N/A 3.540 in89.92 mm
Style N/A Bored
Outside Diameter N/A 2.560 in65.02 mm N/A 2.560 in65.02 mm N/A 4.720 in119.89 mm
Overall Coupling Length N/A 3.540 in89.92 mm N/A 3.540 in89.92 mm N/A 4.560 in115.82 mm
Spider Outside Diameter N/A 2.560 in65.00 mm N/A 2.560 in65.00 mm N/A 4.720 in120.00 mm
Spider Inside Diameter N/A 1.180 in29.00 mm N/A 1.180 in29.00 mm N/A 2.360 in60.00 mm
Spider Thickness (Dimension W) N/A 0.590 in15.00 mm N/A 0.590 in15.00 mm N/A 0.870 in22.00 mm
Set Screw Style Coupling Location Size (Dimension SL) N/A 0.590 in14.99 mm N/A 0.590 in14.99 mm N/A 0.790 in20.07 mm
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 840.00 in·lb N/A 840.00 in·lb N/A 3625.00 in·lb
Max Torque (with 92 Shore A spider) N/A 1680.00 in·lb N/A 1680.00 in·lb N/A 7250.00 in·lb
Min. Bore (Dimensions ID1/ID2) N/A 0.870 in22.00 mm N/A 0.870 in22.00 mm N/A 0.470 in12 mm
Max. Bore (Dimensions ID1/ID2) N/A 1.5 in38 mm N/A 1.5 in38 mm N/A 2.750 in70.00 mm
Max. Speed N/A 8500.00 rpm N/A 8500.00 rpm N/A 4750 rpm
Dimension G N/A 0.790 in20.07 mm N/A 0.790 in20.07 mm N/A 1.180 in29.97 mm
Dimension HD N/A 2.560 in65.02 mm N/A 2.560 in65.02 mm N/A 4.720 in119.89 mm
Distance between Spider and Hub Face (Dimension CL) N/A 0.100 in2.54 mm N/A 0.100 in2.54 mm N/A 0.160 in4.06 mm
Angular Displacement N/A 0.050 in N/A 0.050 in N/A 0.090 in
Max. Angular Displacement (∆ Ka), n=1500 [1/min] N/A 0.90 º N/A 0.90 º N/A 1.10 º
Max. Axial Displacement (∆ Ka) N/A 0.0600 in N/A 0.0600 in N/A 0.8700 in
Max. Radial Displacement (∆ Kr) N/A 0.0100 in N/A 0.0100 in N/A 0.0140 in
Coupling Type N/A Jaw
Weight N/A 2.27 lb N/A 1.99 lb N/A 8.05 lb
Cubic inches N/A 9.04397 in³ N/A 9.04397 in³ N/A 78.86554 in³