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  • Model B (bushed) flanges are made of the same high-strength cast iron as the S flanges
  • B flanges are designed to accommodate the industry standard bushing for easy installation and removal
  • B flanges are available in sizes 6 through 16
Unit of Measure




Coupling Size

N/A 11B


N/A Coupling Flange


N/A Cast Iron


N/A 12.07 lb


N/A Gray

Bore Type

N/A Bored to Accept SF QD Bushing

Bushing Required


Coupling Type

N/A S-Flex

Flange UPC Number

N/A 35432

Dimensional Data

Keyway Size (W x D)

N/A No Keyway

Hub Diameter

N/A 4.630 in117.60 mm

Outside Diameter

N/A 8.625 in219.08 mm

Approx. Bore

N/A 2.75 in69.85 mm

Dimension FL

N/A 1.500 in38.10 mm

Dimension L1

N/A 2.130 in54.10 mm

Dimension L2

N/A 2.000 in50.80 mm

Dimension P

N/A 0.630 in16.00 mm

Cubic inches

N/A 158.45203 in³

Performance Data

Nominal Torque (with EPDM Sleeve)

N/A 4530 in·lb511.82 N·m

Max. Speed

N/A 3600.00 rpm

Torsional Stiffness

N/A 17300.00 in·lb/rad

Rated HP at 100 rpm

N/A 7.20 hp

Rated HP at 1,200 rpm

N/A 86.00 hp

Rated HP at 1,800 rpm

N/A 129.00 hp

Rated HP at 3,600 rpm

N/A 259.00 hp
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