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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
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Unit of Measure

Specifications

Bore Range - Max.

5.510 in140.00 mm

Bore Range - Min.

3.540 in90.00 mm

Torque

18000 lb·ft24400 N·m

Inner Race Overrunning [Max]

300 rpm

Drag Torque

14.740 lb·ft20.00 N·m

A

5.000 in127.00 mm

B

12.600 in320.00 mm

C

5.280 in134.00 mm

D

8.170 in207.50 mm

E

6.690 in170.00 mm

F

5.590 in142.00 mm

G

0.160 in4.00 mm

H

5.940 in151.00 mm

J

55.980 in1422.00 mm

K

5.000 in127.00 mm

L

2.990 in76.00 mm

Amount of grease

0.330 lb0.150 kg

Weight - With Torque Arm - Min. Bore

250.800 lb114.000 kg

Weight

228.800 lb104.000 kg

Weight - Without Torque Arm - Min. Bore

184.800 lb84.000 kg

Weight - Without Torque Arm - Max.. Bore

162.800 lb74.000 kg