The Timken Company - D Type without Keyway - Inch (Imperial) Bores

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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, NSS or N/SS = No Setscrew, NKW or N/KW = No Keyway, SQ = Square Bore, HEX = Hex Bore, W/UP BT = with upper boot.

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Unit of Measure

Items	68514416226 D Type without Keyway - Inch (Imperial) Bores	68514416235 D Type without Keyway - Inch (Imperial) Bores	68514416259 D Type without Keyway - Inch (Imperial) Bores	68514444123 D Type without Keyway - Inch (Imperial) Bores	68514416289 D Type without Keyway - Inch (Imperial) Bores
Description	N/A D1B-UJ-3/16X3/16-NKW NSS BE	N/A D2B-UJ-1/4X1/4-NKW NSS BE	N/A D3B-UJ-5/16X5/16-NKW NSS BE	N/A D4B-UJ-1/2X1/2-NKW NSS BE	N/A D4B-UJ-3/8X3/8-NKW NSS BE
Material	N/A Steel
Bore A & B	N/A 3/16 in	N/A 1/4 in	N/A 5/16 in	N/A 1/2 in	N/A 3/8 in
Type	N/A Universal Joints - D Type
Size	N/A D1B	N/A D2B	N/A D3B	N/A D4B	N/A D4B
Keyway A & B (W x D)	N/A No Keyway
Set Screw Size	N/A No Setscrew
Weight	N/A 0.04 lb	N/A 0.08 lb	N/A 0.13 lb	N/A 0.18 lb	N/A 0.23 lb
Style	N/A Bored
Outside Diameter	N/A 0.380 in	N/A 0.500 in	N/A 0.620 in	N/A 0.750 in	N/A 0.750 in
Overall Length	N/A 1.750 in	N/A 2.000 in	N/A 2.250 in	N/A 2.680 in	N/A 2.680 in
Color	N/A Metallic
Operating Temperature Range	N/A -30 to 212 ºF
Bore Depth (Dimension C)	N/A 0.560 in	N/A 0.620 in	N/A 0.680 in	N/A 0.880 in	N/A 0.880 in
Bore Type	N/A
Max. Bore (Dimensions ID1/ID2)	N/A 0.250 in6.00 mm	N/A 0.380 in9 mm	N/A 0.500 in12.00 mm	N/A 0.620 in15.00 mm	N/A 0.620 in15.00 mm
Max. Speed	N/A 1750.00 rpm
Static Breaking Torque	N/A 110.00 in-lb	N/A 378.00 in-lb	N/A 540.00 in-lb	N/A 768.00 in-lb	N/A 768.00 in-lb
Main Pin Height (Dimension E)	N/A 0.880 in	N/A 1.000 in	N/A 1.120 in	N/A 1.34 in	N/A 1.34 in
Connection Type A x B	N/A 3/16 x 3/16 in	N/A 1/4 x 1/4 in	N/A 5/16 x 5/16 in	N/A 1/2 x 1/2 in	N/A 3/8 x 3/8 in
Max. Angle Offset	N/A 25.00 º
Cubic inches	N/A 0.25270 in³	N/A 0.50000 in³	N/A 0.86490 in³	N/A 1.50750 in³	N/A 1.50750 in³