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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 C2955-HUB-1-3/4-RSB-NKW-N/SS

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 5

Elastomeric Member

 N/A SOX (NBR) Rubber

Weight

 N/A 56.30 lb

Weight (Complete Coupling w/ Max. Bores)

 N/A 117.00 lb

Weight (Complete Coupling w/ Min. Bores)

 N/A 90.00 lb

Dimensional Data

Bore Size 

 N/A 1 3/4 in

Coupling

 N/A C2955

Thread (Dimension T)

 N/A 5/8-11

Length thru Bore

 N/A 4.250 in107.95 mm

Outside Diameter

 N/A 9.120 in231.65 mm

Min. Bore (Dimensions ID1/ID2)

 N/A 1.750 in44.00 mm

Max. Bore (Dimensions ID1/ID2)

 N/A 4.000 in102 mm

Overall Length of Hub

 N/A 6.130 in155.70 mm

Dimension CD

 N/A 9.620 in244.35 mm

Dimension CL

 N/A 0.120 in3.05 mm

Dimension G

 N/A 1.880 in47.75 mm

Dimension HD

 N/A 7.120 in180.85 mm

Dimension SL

 N/A 2.120 in53.85 mm

Cubic inches

 N/A 509.85907 in³

Performance Data

Nominal Torque

 N/A 18900 in·lb

Max. Speed

 N/A 2300.00 rpm

Moment of Inertia WR2

 N/A 932.000 lb·in²

Rated HP at 100 rpm

 N/A 30.00 hp

Rated HP at 1,200 rpm

 N/A 360.00 hp

Rated HP at 1,800 rpm

 N/A 540.00 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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