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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 8B


N/A Coupling Flange


N/A Cast Iron


N/A 2.93 lb


N/A Gray

Bore Type

N/A Bored to Accept SH QD Bushing

Bushing Required


Coupling Type

N/A S-Flex

Flange UPC Number

N/A 36373

Dimensional Data

Keyway Size (W x D)

N/A No Keyway

Hub Diameter

N/A 2.690 in68.33 mm

Outside Diameter

N/A 5.450 in138.43 mm

Approx. Bore

N/A 1.630 in41.40 mm

Dimension FL

N/A 0.910 in23.11 mm

Dimension L1

N/A 1.840 in46.74 mm

Dimension L2

N/A 1.250 in31.75 mm

Dimension P

N/A 0.500 in12.70 mm

Cubic inches

N/A 54.65260 in³

Performance Data

Nominal Torque (with EPDM Sleeve)

N/A 1135 in·lb128.24 N·m

Max. Speed

N/A 4500 rpm

Torsional Stiffness

N/A 4335.00 in·lb/rad

Rated HP at 100 rpm

N/A 1.80 hp

Rated HP at 1,200 rpm

N/A 22.00 hp

Rated HP at 1,800 rpm

N/A 32.00 hp

Rated HP at 3,600 rpm

N/A 65.00 hp
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