Kop-Flex 4 1/2H SB FF FB (Rexnord PN 2275170) Series H gear coupling sleeve, size 4.5, standard bore, finished bore flanged, 13.625" outside diameter, 6" maximum bore. Lubricated design bolts to competitor gear coupling sizes 1-7 for drop-in replacement. Suitable for industrial driveline applications requiring reliable torque transmission and misalignment accommodation.

Bolt Circle

11.75

Bolt Type

Shrouded

Bore Size Max

6

Bore Type

Finished Bore

Configuration

Full Flex

Coupling Size

4.5

Coupling Type

Gear Coupling

Fastener Quantity

14

Fastener Size & Length

5/8 x 1 5/8

Hub Diameter (in)

8.5

Length Through Bore (in)

5.3125

Lube/Non-Lube

Lubricated

Material

Medium Carbon Steel

Measurement System

Imperial

Min Compatible Bore Size (in)

3

OD

13.625

Overall Length (in)

9.6875

Rating HP @ 100 RPM

505

Sleeve Type

Flanged

Speed Max (rpm)

4770

Style

Series H

Tooth Profile

Straight faced, Involute Stub Tooth

Torque [Max] (in-lb)

636000

Torque Rating (in-lb)

318000