Products

U.S. Tsubaki Power Transmission, LLC. produces high-quality products for a wide range of industries and applications including roller chains, conveyor chains, sprockets, cable & hose carrier systems, clutches and backstops, and continuous flex cables.

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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Unit of Measure

Items	W12 TAPER-LOCK® Type W Weld-on Hubs	W16 TAPER-LOCK® Type W Weld-on Hubs	W25 TAPER-LOCK® Type W Weld-on Hubs	W30 TAPER-LOCK® Type W Weld-on Hubs	W35 TAPER-LOCK® Type W Weld-on Hubs
For Use with Bushing	N/A 1215	N/A 1615	N/A 2517	N/A 3030	N/A 3535
Max. Bore of Bushing	N/A 0.500 in	N/A 0.500 in	N/A 0.500 in	N/A 0.938 in	N/A 1.188 in
A	N/A 2.875 in	N/A 3.250 in	N/A 4.875 in	N/A 5.500 in	N/A 6.750 in
B	N/A 1.500 in	N/A 1.500 in	N/A 1.750 in	N/A 3.000 in	N/A 3.500 in
C	N/A 0.375 in	N/A 0.375 in	N/A 0.500 in	N/A 0.750 in	N/A 1.250 in
Weight	N/A 1.300 lb	N/A 1.500 lb	N/A 4.000 lb	N/A 8.600 lb	N/A 15.000 lb

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