Boston Gear XFCBB12

Boston Gear

Coupling, Bronze Insert

XFCBB12 150655
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ItemOil Impregnated Spider Insert
TypeBost Bronze
Max. Torque (In.-Lbs.)200
Coupling SizeFC12
HP Rating @ 50 RPM0.16
HP Rating @ 100 RPM0.3
HP Rating @ 300 RPM1.0
HP Rating @ 690 RPM2.2
HP Rating @ 870 RPM2.8
HP Rating @ 1150 RPM3.6
HP Rating @ 1750 RPM5.6
Serviceable Temp. Range (F)-60 to 250
Shaft Dia. Range (In.)3/8-1/2
Weight 0.050000


Bronze Coupling Insert, For Coupling Size FC12, Maximum Torque 200 Inches per Pound, Color Bronze

Oil-Impregnated Bost-Bronze Spiders
  • Recommended for high-torque loads, particularly at slower speeds.
  • Temp. range: -60 to 250 F (-51 to 121 C)
  • Boston Jaw Couplings
  • Standard tolerance: +0.001/-0.000", all bore dimensions. 3-jaw insert design is complete with keyway and set screw. No lubrication required. A complete assembly requires 2 hubs and 1 jaw-coupling spider, sold separately.

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