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.

10.630 in270.00 mm

Bore Range - Min.

7.870 in200.00 mm

Torque Capacity

141000 lb·ft192000 N·m

Inner Race Max. Overrunning Speed

125 rpm

Drag Torque

72.220 lb·ft98.00 N·m

A - Backstop width

10.510 in267.00 mm

B - Overall length

25.590 in650.00 mm

C - Inside width

10.000 in254.00 mm

D - Center line of backstop to flange edge

16.340 in415.00 mm

E - Counterbore inside diameter

13.540 in344.00 mm

F - Overall inner race width

11.020 in280.00 mm

G - Counterbore depth

0.510 in13.00 mm

H - Overall backstop width

11.930 in303.00 mm

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

87.990 in2235.00 mm

K - Torque arm height

12.010 in305.00 mm

L - Torque arm width

5.510 in140.00 mm

Amount of grease

3.520 lb1.600 kg

Weight - With Torque Arm - Min. Bore

1955.800 lb889.000 kg

Weight - With Torque Arm - Max. Bore

1821.600 lb828.000 kg

Weight - Without Torque Arm - Min. Bore

1522.400 lb692.000 kg

Weight - Without Torque Arm - Max.. Bore

1388.200 lb631.000 kg