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Spicer/Uni-Joint Couplings

Spicer or Uni-Joint couplings are used on drive shaft flanges configured to standard Spicer, Uni-Joint or cardan shaft drives. Please check torque demands.

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Imperial Metric

Coupling Model Gearbox Flange Bolt
Circle Diameter
(mm)
Gearbox Flange Bolt
Size
Gearbox Flange Index
Ring Type
Gearbox Flange Index
Ring Diameter
(mm)
Isoflex Coupling
Outside Diameter
(mm)
Isoflex Coupling
Inside Diameter
(mm)
Isoflex Coupling
Thickness
(mm)
Heavy Duty
(Nm)
Medium Duty
(Nm)
Pleasure Craft
(Nm)
Download
IFC-4700-95 95.25 4 x 7/16inch rect F 69.85 135 50 32.0 600 900 1000 Data Sheet
IFC-4800-95 79.38 4 x 7/16inch rect F 60.33 125 35 25.0 310 465 525 Data Sheet
IFC-4900-95 120.65 4 x 1/2inch rect F 85.73 175 50 36.5 1200 1800 2000 Data Sheet
IFC-81610-HT 155.7 8 x 3/8inch F 168.28 220 50 25 Data Sheet
IFC-81710-HT 184.15 8 x 3/8inch F 196.86 241 74.4 30 Data Sheet
Coupling Model Gearbox Flange Bolt
Circle Diameter
(in)
Gearbox Flange Bolt
Size
Gearbox Flange Index
Ring Type
Gearbox Flange Index
Ring Diameter
(in)
Isoflex Coupling
Outside Diameter
(in)
Isoflex Coupling
Inside Diameter
(in)
Isoflex Coupling
Thickness
(in)
Heavy Duty
(ftlb)
Medium Duty
(ftlb)
Pleasure Craft
(ftlb)
Download
IFC-4700-95 3.75 4 x 7/16inch rect F 2.75 5.31 1.97 1.3 442 663 737 Data Sheet
IFC-4800-95 3.13 7/16inch rect F 2.38 4.92 1.38 1 228 343 387 Data Sheet
IFC-4900-95 4.75 4 x 1/2inch rect F 3.38 6.89 1.97 1.4 884 1327 1474 Data Sheet
IFC-81610-HT 6.13 8 x 3/8inch F 6.63 8.66 1.97 1.0 Data Sheet
IFC-81710-HT 7.25 8 x 3/8inch F 7.75 9.49 2.93 1.2 Data Sheet
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