Tsubaki’s new BS-F Series backstops are designed for simple, drop-in installation to all major competitive external, low-speed backstop products. These backstops use a unique labyrinth seal design for maximum life with minimal maintenance. With Tsubaki’s innovative design features, our backstops ensure efficient and dependable operation in the harshest environments.

TYPICAL APPLICATIONS
  • Mining (Coal, Copper, Potash) - used in inclined conveyors and bucket elevators for transporting raw
  • more
Unit of Measure

Specifications

Bore Range - Max.

14.170 in360.00 mm

Bore Range - Min.

9.840 in250.00 mm

Torque Capacity

360000 lb·ft489000 N·m

Inner Race Max. Overrunning Speed

100 rpm

Drag Torque

115.710 lb·ft157.00 N·m

A - Backstop width

11.500 in292.00 mm

B - Overall length

36.610 in930.00 mm

C - Inside width

10.940 in278.00 mm

D - Center line of backstop to flange edge

23.030 in585.00 mm

E - Counterbore inside diameter

19.290 in490.00 mm

F - Overall inner race width

11.260 in286.00 mm

G - Counterbore depth

0.160 in4.00 mm

H - Overall backstop width

13.580 in345.00 mm

J - Distance from backstop center line to I-beam edge

100.000 in2540.00 mm

K - Torque arm height

17.990 in457.00 mm

L - Torque arm width

5.980 in152.00 mm

Amount of grease

4.180 lb1.900 kg

Weight - With Torque Arm - Min. Bore

4114.000 lb1870.000 kg

Weight - With Torque Arm - Max. Bore

3850.000 lb1750.000 kg

Weight - Without Torque Arm - Min. Bore

3476.000 lb1580.000 kg

Weight - Without Torque Arm - Max.. Bore

3212.000 lb1460.000 kg