TB Woods 11S178 Sure-Flex Plus Type S flange with 1-7/8" finished bore for Size 11 elastomeric sleeve couplings. High-strength cast-iron construction with setscrew locking and 1/2" x 1/4" keyseat. Compatible with EPDM, Neoprene, Hytrel, and Urethane sleeves; rated up to 5,890 in-lb continuous torque with EPDM/Neoprene and 18,000 in-lb with Hytrel.

Bore size

1 7/8 in

Bore size (in)

1-7/8

Bore tolerance

+.0005 to +.0015

Bore tolerance (in)

+0.0005 to +0.0015

Component WR2 (lbs ft2)

0.9739

Component WR²

0.9739

Construction type

Finish bore with keyway

Coupling size

11

Dimension (in) (C)

3-7/16

Dimension (in) (D)

8.625

Dimension (in) (H)

5 1/4

Dimension (in) (S)

3/4

Dimension (in) (T)

1 1/2

Dimension (in.) (E)

1 1/8

Flange diameter

8.625

Horsepower Rating at 100 RPM

9.4 HP with EPDM or Neoprene sleeve, 29 HP with Hytrel sleeve

Keyseat (in)

1/2 x 1/4

Keyseat size

1/2 in x 1/4 in

Length through bore

3.4375

Material type

High strength cast iron

Max angular gap misalignment

0.151 (in) with EPDM/Neoprene Sleeves and 0.037 (in) with Hytrel Sleeves

Max angular misalignment

1° with EPDM/neoprene sleeves and 1/4° with hytrel sleeves

Max compatible bore size

3.875

Max parallel misalignment

15

Max RPM

3600

Max speed

3600

Min compatible bore size

0.5

Outside diameter

8.625

Power rating at 100 RPM

7.0 kW with EPDM or Neoprene sleeve, 21 kW with Hytrel sleeve

Screw size

Setscrew

Screw type

Flange, Type S

Set screw distance

0.75

Setscrew length

1.25

Setscrew length (in)

1 1/4

Setscrew size, location

3/8 16 UNC, One over KS and at 90 Degrees

Setscrew torque requirement

23

Setscrew Torque Requirment (ft lbs)

23

SF flange length

1.5

SF hub diameter

5.25

SF hub length

24

Torque

5,890 in-lb with EPDM or Neoprene sleeve, 18,000 in-lb with Hytrel sleeve

Torque rate

5,890 (in-lbs) with EPDM or Neoprene sleeve; 18,000 (in-lbs) with Hytrel sleeve