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  • S flanges are made of high strength cast iron and are bored-to- size for a slip fit on standard shafts.
  • S flanges are easy to install, are readily available from stock in a wide range of popular bore sizes, and are supplied with two set screws at 90°.
  • The S Type coupling consists of two flanges and one sleeve.
Unit of Measure

Notes

Disclaimer

Lovejoy: CAD Models are accurate envelope dimensions only. Features such as bore size and keyway are not rendered or are only representative. Contact Lovejoy Technical Support or refer to product catalogs for details.

Notes 

  • All standard finished bore keyway flanges have 2 set screws at 90°.
  • Sizes 13, 14 and 16 RSB flanges are suitable for reboring and have two set screws at 90°.
  • Sizes 5-12 RSB flanges have no set screws.
  • Metric Bore / Keyway per DIN specifications.
  • Spacing between shafts should be greater than 1/8 inch and less than OAL minus the sum of the two bore dimensions.

Specifications

Description 

12S-FLNG-1-1/2-RSB-NKW-NSS HOLE

Coupling Size

12S

Type

Coupling Flange

Material

Cast Iron

Color

Gray

Bore Type

Rough Stock Bore

Coupling Type

S-Flex

Weight

34.91 lb

Dimensional Data

Bore Size 

1 1/2 in

Thread (Dimension T)

No Setscrew

Keyway Size (W x D)

No Keyway

Outside Diameter

10.000 in254.00 mm

Max. Bore (Dimension ID)

3.875 in

Dimension FL

1.690 in42.93 mm

Dimension HD

5.750 in146.05 mm

Dimension L

4.000 in101.60 mm

Dimension P

1.280 in32.51 mm

Cubic inches

400.00000 in³

Performance Data

Nominal Torque (with EPDM Sleeve)

7200 in·lb

Max. Speed

2800.00 rpm

Torsional Stiffness

27500.00 in·lb/rad

Rated HP at 100 rpm

11.40 hp

Rated HP at 1,200 rpm

137.00 hp

Rated HP at 1,800 rpm

206.00 hp