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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D Type Universal Joints incorporate a standard pin and block design, and are ideal for applications with angles up to 25° and speeds of up to 1,750 RPM. Boot retaining grooves are standard.

For optimal wear and extended life, lubrication and boots are required. (Boots are available for purchase separately.) 

Description Abbreviations: KW = Keyway, SS = Setscrew, BE = Both Ends, PH = Pin Hole, at 90 = at 90 degrees.

D303 Stainless Steel Ujoint
Repair Kits for D Type Universal Joints - Imperial
Unit of Measure
Items D303 Stainless Steel Ujoint
68514449452
D Type with Keyway - Inch (Imperial) Bores 		D303 Stainless Steel Ujoint
68514444033
D Type with Keyway - Inch (Imperial) Bores 		D303 Stainless Steel Ujoint
68514444126
D Type with Keyway - Inch (Imperial) Bores 		D303 Stainless Steel Ujoint
68514476323
D Type with Keyway - Inch (Imperial) Bores 		D303 Stainless Steel Ujoint
68514444286
D Type with Keyway - Inch (Imperial) Bores
Description  N/A D4B-UJ-3/8X3/8 N/A D6B-UJ-1/2X1/2 N/A D6B-UJ-1/2X1/2-NSS BE N/A D6B-UJ-1/2X1/2-1/8PH BE N/A D7B-UJ-5/8X5/8
Material N/A Steel
Bore A & B N/A 3/8 in N/A 1/2 in N/A 1/2 in N/A 1/2 in N/A 5/8 in
Type N/A Universal Joints - D Type
Size N/A D4B N/A D6B N/A D6B N/A D6B N/A D7B
Keyway A & B (W x D) N/A 1/8 x 1/16 in N/A 1/8 x 1/16 in N/A 1/8 x 1/16 in N/A 1/8 Pin Holes in N/A 3/16 x 3/32 in
Set Screw Size N/A No Setscrew N/A 10-24 N/A No Setscrew N/A No Setscrew N/A 10-24
Weight N/A 0.22 lb N/A 0.52 lb N/A 0.52 lb N/A 0.55 lb N/A 0.65 lb
Style N/A Bored
Outside Diameter N/A 0.750 in N/A 1.000 in N/A 1.000 in N/A 1.000 in N/A 1.12 in
Overall Length N/A 2.680 in N/A 3.380 in N/A 3.380 in N/A 3.380 in N/A 3.50 in
Color N/A Metallic
Operating Temperature Range N/A -30 to 212 ºF
Bore Depth (Dimension C) N/A 0.880 in N/A 1.000 in N/A 1.000 in N/A 1.000 in N/A 1.00 in
Max. Bore (Dimensions ID1/ID2) N/A 0.440 in11.00 mm N/A 0.560 in13.00 mm N/A 0.560 in13.00 mm N/A 0.560 in13.00 mm N/A 0.62 in15.00 mm
Max. Speed N/A 1750.00 rpm
Static Breaking Torque N/A 768.00 in-lb N/A 1560.00 in-lb N/A 1560.00 in-lb N/A 1560.00 in-lb N/A 2880.00 in-lb
Main Pin Height (Dimension E) N/A 1.34 in N/A 1.680 in N/A 1.680 in N/A 1.680 in N/A 1.75 in
Connection Type A x B  N/A 3/8 x 3/8 in N/A 1/2 x 1/2 in N/A 1/2 x 1/2 in N/A 1/2 x 1/2 in N/A 5/8 x 5/8 in
Max. Angle Offset N/A 25.00 º
Cubic inches N/A 1.50750 in³ N/A 3.38000 in³ N/A 3.38000 in³ N/A 3.38000 in³ N/A 5.85938 in³