All Product Types > INDUSTRIAL MOTION PRODUCTS > Couplings & Power Transmission Parts Catalog > Jaw Couplings > RRS / RRSC Type (Radially Removable Spacer) Components > RRS & RRSC Hubs with Keyway - Inch (Imperial) Bores > Part Number 68514438144  

Part Number 68514438144, RRS & RRSC Hubs with Keyway - Inch (Imperial) Bores

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  • For RRS090-RRS110: 2 Standard RRS Hubs, & 1 Spacer Assembly (consisting of 2 snap wrap spiders w/o ring, 2 collars with screws, & 1 spacer). For RRS150-RRS225: 1 Standard RRS Hub, 1 Standard RRSC Hub, & 1 Spacer Assembly (2 snap wrap siders w/o ring, 2 collars with screws, & 1 spacer).




Specifications  · Dimensional Data  · Performance Data  · Spider Performance  · Notes

Specifications

Description 
RRS090-HUB-3/4-3/16X3/32KW

Hub Style
1

Coupling Type
Jaw

Material
Sintered Iron

Color
Metallic/Gray

# of Jaws
3

Elastomeric Member
SOX (NBR) Rubber

Weight
0.57 lb


Dimensional Data

Bore Size 
3/4 in

Coupling Size
RRS090

Thread (Dimension T)
1/4-20

Keyway Size (W x D)
3/16 x 3/32 in

Length thru Bore
0.810 in
20.57 mm

Outside Diameter
2.11 in
53.59 mm

Min. Bore (Dimensions ID1/ID2)
0.250 in
6 mm

Max. Bore (Dimensions ID1/ID2)
1.000 in
25.00 mm

Hub Length
1.240 in
31.50 mm

Dimension CD
2.500 in
63.50 mm

Dimension CL
0.090 in
2.29 mm

Dimension SL
0.430 in
10.92 mm

Cubic inches
5.52060 in³


Performance Data

Nominal Torque
144 in·lb

Max. Speed
3600.00 rpm

Rated HP at 100 rpm
0.23 hp

Rated HP at 1,200 rpm
2.76 hp

Rated HP at 1,800 rpm
4.11 hp

Rated HP at 3,600 rpm
8.28 hp


Spider Performance
  • 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.)




Notes

Notes 
  • RRS inch hubs are standard with two set screws, including those with No Keyway.
  • RRS inch hubs are standard with two set screws and are drilled to accept retaining collar. Collars are supplied with spacers.


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Jaw Type Catalog (pdf catalog)

Installation Instructions for RRS/RRC Couplings

Installation Video for RRS/RRC Couplings