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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 6B


N/A Coupling Flange


N/A Cast Iron


N/A 1.64 lb


N/A Gray

Bore Type

N/A Bored to Accept JA QD Bushing

Bushing Required


Coupling Type

N/A S-Flex

Flange UPC Number

N/A 36369

Dimensional Data

Keyway Size (W x D)

N/A No Keyway

Hub Diameter

N/A 2.000 in50.80 mm

Outside Diameter

N/A 4.000 in101.60 mm

Approx. Bore

N/A 1.190 in30.23 mm

Dimension FL

N/A 0.780 in19.81 mm

Dimension L1

N/A 1.530 in38.86 mm

Dimension L2

N/A 1.000 in25.40 mm

Dimension P

N/A 0.440 in11.18 mm

Cubic inches

N/A 24.48000 in³

Performance Data

Nominal Torque (with EPDM Sleeve)

N/A 450 in·lb50.84 N·m

Max. Speed

N/A 6000 rpm

Torsional Stiffness

N/A 1718.00 in·lb/rad

Rated HP at 100 rpm

N/A 0.70 hp

Rated HP at 1,200 rpm

N/A 8.60 hp

Rated HP at 1,800 rpm

N/A 12.90 hp

Rated HP at 3,600 rpm

N/A 25.70 hp
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