• TAPER-LOCK® Type W Weld-on Hubs
U.S. Tsubaki offers the most complete line of QD® and TAPER-LOCK weld-on hubs for insertion and welding to produce “B” style sprockets, sheaves, and other applications without hub protrusion. To provide greater strength for this type of shaft-locking mechanism and to reduce heat distortion caused by welding, these hubs are dimensionally the same as our sprocket items. Special dimensional hubs are available per your specifications on a made-to-order basis. All U.S. Tsubaki hubs are made from steel bar stock (not powdered or sintered metal). The QD and TAPER-LOCK weld-on hubs listed below include appropriate tapered bores and mounting holes.
TAPER-LOCK® is a registered trademark of Rockwell Automation.
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Item #

For Use with Bushing

Max. Bore of Bushing

A

B

C

Weight

N/A 1215 N/A 0.500 in N/A 2.875 in N/A 1.500 in N/A 0.375 in N/A 1.300 lb
N/A 1615 N/A 0.500 in N/A 3.250 in N/A 1.500 in N/A 0.375 in N/A 1.500 lb
N/A 2517 N/A 0.500 in N/A 4.875 in N/A 1.750 in N/A 0.500 in N/A 4.000 lb
N/A 3030 N/A 0.938 in N/A 5.500 in N/A 3.000 in N/A 0.750 in N/A 8.600 lb
N/A 3535 N/A 1.188 in N/A 6.750 in N/A 3.500 in N/A 1.250 in N/A 15.000 lb
N/A 4040 N/A 1.438 in N/A 7.750 in N/A 4.000 in N/A 1.500 in N/A 29.000 lb
N/A 4545 N/A 1.938 in N/A 8.750 in N/A 4.500 in N/A 1.750 in N/A 42.000 lb
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