HOW TO ORDER
BS-F SERIES BACKSTOPS
Tsubaki's new BS-F Series backstops are designed for simple, drop-in installations to all major competitive backstop products. These backstops use a unique 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. BS-F series backstop units are all manufactured on a made-to-order basis. When ordering, please specify bore size, keyway dimensions, overrunning rotation, and torque arm orientation. Tsubaki includes the shaft key with your BS-F backstop. If tolerances are not known, Tsubaki will produce per our standards. BS-F Series backstops are pre-lubricated with grease prior to shipping.
Example How To Order Code: BS-F Series Cam Clutch BS 165 F - 6.500
Specifications Torque Capacity Overrunning Max. RPM lb.ft. (Nm) 4980 (6760) 300 6590 (8940) 300 12000 (16300) 300 18000 (24400) 300 32500 (44100) 300 45500 (61700) 180 75200 (102000) 150 108000 (147000) 135 141000 (192000) 125 254000 (345000) 115 360000 (489000) 100 542000 (735000) 85 722000 (980000) 80
Series
Frame Size Reservoir
-
Available Bore Range
85 95
2.360" to 3.350" 2.750" to 3.740" 3.150" to 4.530" 3.540" to 5.510" 3.940" to 6.500" 3.940" to 7.870" 5.900" to 8.860" 6.880" to 9.840"
(60 to 85 mm) (70 to 95 mm) (80 to 115 mm) (90 to 140 mm) (100 to 165 mm) (100 to 200 mm) (150 to 225 mm) (175 to 250 mm)
115 140 165 200 225 250 270 300
BS: Backstop type
-
F: F-Series
7.870" to 10.630" (200 to 270 mm) 9.050" to 11.810" (230 to 300 mm)
360
9.840" to 14.170" (250 to 360 mm)
425
12.790" to 16.730" (325 to 425 mm)
465
13.780" to 18.310" (350 to 465 mm) When ordering, specify the required
bore size, keyway dimensions, and special tolerance if needed.
1 Inner race 2 Outer race 3 Cam cage 4 Thrust bearing 5 Side plate 6 Labyrinth plate 7 Torque arm 8 Pin 9 Oil seal 10 Labyrinth ring
86
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