Kop-Flex 3 1/2H EB FF FB (Rexnord PN 2274942) Size 3.5 Series H gear coupling with extended bore and finished bore flanged construction, 11" outside diameter, 4.5" max bore, lubricated. Series H sleeves bolt to competitor gear coupling sizes 1-7 for drop-in replacement capability.

Bolt Circle

9.5

Bolt Type

Exposed

Bore Size Max

4.5

Bore Type

Finished Bore

Configuration

Full Flex

Coupling Size

3.5

Coupling Type

Gear Coupling

Fastener Quantity

8

Fastener Size & Length

3/4 x 3 3/8

Hub Diameter (in)

6.5

Includes

Hubs (2) Sleeves (2) Seals (2)

Length Through Bore (in)

4.1875

Lube/Non-Lube

Lubricated

Material

Medium Carbon Steel

Measurement System

Imperial

Min Compatible Bore Size (in)

1.6875

OD

11

Overall Length (in)

7.6875

Performance

Lubrication Hole

Rating HP @ 100 RPM

235

Sleeve Type

Flanged

Speed Max (rpm)

6000

Style

Series H

Temperature Range

-40 to +190 °F

Tooth Profile

Straight faced, Involute Stub Tooth

Torque [Max] (in-lb)

296000

Torque Rating (in-lb)

148000