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Sier-Bath Coupling

FMM4.5HUB RSB

Sier-Bath Coupling
Item #102074678
  • Size F4.5 Gear Coupling Mill Motor Flex Hub
  • RSB
  • Bore Range 3" to 6"
Sier-Bath Coupling
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    Shipment Options
  • Size F4.5 Gear Coupling Mill Motor Flex Hub
  • RSB
  • Bore Range 3" to 6"

features

  • Compensates for angular, parallel and axial misalignment
  • Hub teeth are fully crowned to provide for a larger contact area and lower stress under misaligned conditions
  • Crowned tooth design avoids end loading that occurs on straight teeth under misalignment
  • Patented Vari-Crown® gear teeth for long life
  • Standard 20° pressure angle
  • Piloted gear fit for higher speeds and less vibration
Length Through Bore 5.3125 in
HP @ RPM 480 hp @ 100 rpm
Color Metallic
Bore Dia. [Min] 3 in
Coupling Size F4.5, 4 1/2
Torque 302400 in lb
Outside Dia. 8.5 in
Hub Dia. 8 1/2 in
Insert Style Unbored
Hub Style Exposed Bolt
Distance Between Spider and Hub Face 0.31 in, 7.87 mm
Input Bore Range 3" to 6"
Bore Dia. [Max] 6 in
Torque Rating [Max] 302400 in lb
Material 1045 Carbon Steel, AISI 1045
Parallel Misalignment [Max] 0.18 in
Overall Length 14.63 in
Coupling Type Gear Coupling Hubs
Flange Diameter 13.63 in, 346.2 mm
RPM [Max] 2700 rpm
Bore Type Rough Stock Bore
Angular Misalignment [Max] 1.50 Degree per Gear Mesh
Weight 110.0 LB
EAN or UPC 697904003628
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