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  • A complete C Type coupling is comprised of two standard C Type hubs, one cushion set, and one collar with hardware.
Unit of Measure

Notes

Disclaimer

 N/A 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 

 N/A
  • RSB (Rough Stock Bore) hub has No Keyway or set screw hole, it is not useable as shown and must be machined to proper bore tolerances Hub includes inside sleeve and is drilled and tapped for collar bolts. Non-standard bores available – consult Lovejoy Engineering.
  • Jaw coupling hubs are standard with one set screw, for two set screws see RRS & RRC sections.

Specifications

Description 

 N/A C280 HUB 1-1/4 N/KW N/SS RSB

Hub Style

 N/A 3

Coupling Type

 N/A Jaw

Material

 N/A Cast Iron

Color

 N/A Gray/Metallic

Bore Type

 N/A Rough Stock Bore

# of Jaws

 N/A 3

Elastomeric Member

 N/A SOX (NBR) Rubber

Weight

 N/A 29.50 lb

Weight (Complete Coupling w/ Max. Bores)

 N/A 61.00 lb

Weight (Complete Coupling w/ Min. Bores)

 N/A 49.00 lb

Dimensional Data

Bore Size 

 N/A 1 1/4 in

Coupling

 N/A C280

Thread (Dimension T)

 N/A 1/2-13

Length thru Bore

 N/A 3.120 in79.25 mm

Outside Diameter

 N/A 7.500 in190.50 mm

Min. Bore (Dimensions ID1/ID2)

 N/A 1.250 in32.00 mm

Max. Bore (Dimensions ID1/ID2)

 N/A 3.000 in76 mm

Overall Length of Hub

 N/A 4.750 in120.65 mm

Dimension CD

 N/A 7.810 in198.37 mm

Dimension CL

 N/A 0.120 in3.05 mm

Dimension G

 N/A 1.630 in41.40 mm

Dimension HD

 N/A 5.500 in139.70 mm

Dimension SL

 N/A 1.560 in39.62 mm

Cubic inches

 N/A 267.18750 in³

Performance Data

Nominal Torque

 N/A 7560.00 in·lb

Max. Speed

 N/A 3500 rpm

Moment of Inertia WR2

 N/A 362.000 lb·in²

Rated HP at 100 rpm

 N/A 12.00 hp

Rated HP at 1,200 rpm

 N/A 114.00 hp

Rated HP at 1,800 rpm

 N/A 216.00 hp

Spider Performance

Spider Performance

 N/A
  • Nitrile Butadiene (Buna N) Rubber is a flexible elastomer material that is oil resistant, resembles natural rubber in resilience and elasticity and operates effectively in temperature range of -40° to 212° F (-40° to 100° C). Good resistance to oil. Standard elastomer. (Also applies to SXB Cushions.)

Features

Features 

 N/A
  • Greater torque and bore capacity than the L-Line series jaw coupling
  • Elastomeric cushions are radially removable
  • Cushions available in SXB rubber and Hytrel
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