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.

11.810 in300.00 mm

Bore Range - Min.

9.050 in230.00 mm

Torque Capacity

254000 lb·ft345000 N·m

Inner Race Max. Overrunning Speed

115 rpm

Drag Torque

79.600 lb·ft108.00 N·m

A - Backstop width

10.940 in278.00 mm

B - Overall length

30.710 in780.00 mm

C - Inside width

10.750 in273.00 mm

D - Center line of backstop to flange edge

19.290 in490.00 mm

E - Counterbore inside diameter

16.930 in430.00 mm

F - Overall inner race width

11.260 in286.00 mm

G - Counterbore depth

0.260 in6.50 mm

H - Overall backstop width

12.600 in320.00 mm

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

94.020 in2388.00 mm

K - Torque arm height

15.000 in381.00 mm

L - Torque arm width

5.630 in143.00 mm

Amount of grease

3.960 lb1.800 kg

Weight - With Torque Arm - Min. Bore

2860.000 lb1300.000 kg

Weight - With Torque Arm - Max. Bore

2706.000 lb1230.000 kg

Weight - Without Torque Arm - Min. Bore

2310.000 lb1050.000 kg

Weight - Without Torque Arm - Max.. Bore

2140.600 lb973.000 kg