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.

6.500 in165.00 mm

Bore Range - Min.

3.940 in100.00 mm

Torque Capacity

32500 lb·ft44100 N·m

Inner Race Max. Overrunning Speed

300 rpm

Drag Torque

25.060 lb·ft34.00 N·m

A - Backstop width

5.550 in141.00 mm

B - Overall length

14.170 in360.00 mm

C - Inside width

5.280 in134.00 mm

D - Center line of backstop to flange edge

9.550 in242.50 mm

E - Counterbore inside diameter

8.230 in209.00 mm

F - Overall inner race width

5.590 in142.00 mm

G - Counterbore depth

0.160 in4.00 mm

H - Overall backstop width

6.650 in169.00 mm

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

65.980 in1676.00 mm

K - Torque arm height

5.980 in152.00 mm

L - Torque arm width

3.580 in91.00 mm

Amount of grease

0.350 lb0.160 kg

Weight - With Torque Arm - Min. Bore

382.800 lb174.000 kg

Weight - With Torque Arm - Max. Bore

349.800 lb159.000 kg

Weight - Without Torque Arm - Min. Bore

259.600 lb118.000 kg

Weight - Without Torque Arm - Max.. Bore

226.600 lb103.000 kg