• 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

Specifications

Description 

N/A 6S FLNG 5/8 RSB NKW NSS HOLE

Coupling Size

N/A 6S

Type

N/A Coupling Flange

Material

N/A Cast Iron

Color

N/A Gray

Bore Type

N/A Rough Stock Bore

Coupling Type

N/A S-Flex

Weight

N/A 2.62 lb

Dimensional Data

Bore Size 

N/A 5/8 in

Thread (Dimension T)

N/A No Setscrew

Keyway Size (W x D)

N/A No Keyway

Outside Diameter

N/A 4.000 in101.60 mm

Max. Bore (Dimension ID)

N/A 1.438 in

Dimension FL

N/A 0.780 in19.81 mm

Dimension HD

N/A 2.500 in63.50 mm

Dimension L

N/A 1.640 in41.66 mm

Dimension P

N/A 0.530 in13.46 mm

Dimension SL

N/A 0.290 in7.37 mm

Cubic inches

N/A 26.24000 in³

Performance Data

Nominal Torque (with EPDM Sleeve)

N/A 450 in·lb

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

Notes

Notes 

N/A
  • 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.