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BR-HT is mainly used in backstop applications as an integral part of a gear reducer. Prevention of reverse rotation for inclined conveyor and bucket elevator are typical application BR-HT assures not only the immediate backstop function under high torque, but also long service life by the “lift-off” design. In addition, installation on the high speed shaft with low torque enables selection of more compact models with resulting lower cost.
Unit of Measure


Torque Capacity

N/A 83344.3 lb·ft113000.0 N·m

Min. Inner Race Overrunning Speed

N/A 180 rpm

Max. Inner Race Overrunning Speed

N/A 1100 rpm

Max. Engagement

N/A 105 rpm

Bore Size

N/A 9.843 in250.00 mm

A (Inner Race Width)

N/A 4.724 in120.00 mm

B (Outer Race Width)

N/A 4.724 in120.00 mm

C (Outer Race O.D.)

N/A 20.472 in520.00 mm

D (Outer Race I.D.)

N/A 15.354 in390.00 mm

E (Inner Race O.D.)

N/A 12.717 in323.00 mm

G (Bolt Circle Diameter)

N/A 17.323 in440.00 mm

Q-R (Mounting Holes Quantity - Size)

N/A 16-M24

S-T (Removed Holes Quantity - Size)

N/A 2-M24

F (Cam Width)

N/A 3.780 in96.00 mm


N/A 281.600 lb128.000 kg

H (Housing Bore Min.)

N/A 14.173 in360.00 mm

M (Counter Bore Depth Max.)

N/A 0.394 in10.00 mm

N (Chamfer)

N/A 0.118 in3.00 mm
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