Tsubaki offers a complete line ofSplit Taper style 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 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 Tsubaki hubs are made from steel bar stock (notmore
Unit of Measure

Bushing

W1

OD - Outside Diameter

12.50 in

A

2.963 in

B

8.500 in

C - Pilot Diameter

12.250 in

K

4.563 in

Bolt Circle

10.000 in

W

1.250 in

X - Total Length

6.375 in

ANGLE of Hole

22.50 º

Length of Tapped Holes

1.750

Number of Tapped Holes

4

Screw Size - Tapped Holes

3/4-10

Taper per Foot on Diameter

3/4

Weight

130.0 lb