The Timken Company
The Timken Company
4500 Mt Pleasant St. NW
N. Canton, OH 44720
Phone: (234) 262-3000
E-Mail: CustomerCAD@timken.com • Web site: www.timken.com
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  • A complete RRC Type coupling is comprised of 2 RRC Hub Adapters (includes bolts), & 1 Spacer Assembly (2 RRC jaw rings, 1 collar with hardware, 1 set of SXB(NBR) cushions).
RRS Type Spacer Assembly - Metric, DimDraw Style 4
Unit of Measure
Items RRS Type Spacer Assembly - Metric, DimDraw Style 4
68514455770
RRC Type Adapter Hubs with Rough Stock Bore 		RRS Type Spacer Assembly - Metric, DimDraw Style 4
68514455771
RRC Type Adapter Hubs with Rough Stock Bore 		RRS Type Spacer Assembly - Metric, DimDraw Style 4
68514452030
RRC Type Adapter Hubs with Rough Stock Bore 		RRS Type Spacer Assembly - Metric, DimDraw Style 4
68514455772
RRC Type Adapter Hubs with Rough Stock Bore 		RRS Type Spacer Assembly - Metric, DimDraw Style 4
68514455773
RRC Type Adapter Hubs with Rough Stock Bore
Description  N/A RRC226-HUB ADAPTER-7/8-RSB N/A RRC276-HUB ADAPTER-7/8-RSB N/A RRC280-HUB ADAPTER-1-1/4-RSB N/A RRC285-HUB ADAPTER-1-1/4-RSB N/A RRC295-HUB ADAPTER-1-1/2-RSB
Bore Size  N/A 7/8 in N/A 7/8 in N/A 1 1/4 in N/A 1 1/4 in N/A 1 1/2 in
Hub Style N/A 4
Coupling Type N/A Jaw
Coupling Size N/A RRC226 N/A RRC276 N/A RRC280 N/A RRC285 N/A RRC295
Material N/A Cast Iron
Thread (Dimension T) N/A 1/2-13
Length thru Bore N/A 2.840 in72.14 mm N/A 2.470 in62.74 mm N/A 2.470 in62.74 mm N/A 2.870 in72.90 mm N/A 2.750 in69.85 mm
Outside Diameter N/A 5.160 in131.06 mm N/A 6.18 in156.97 mm N/A 7.500 in190.50 mm N/A 8.500 in215.90 mm N/A 9.12 in231.65 mm
Color N/A Gray
Bore Type N/A Rough Stock Bore
Min. Bore (Dimensions ID1/ID2) N/A 0.875 in22.00 mm N/A 0.875 in22.00 mm N/A 1.250 in32.00 mm N/A 1.250 in32.00 mm N/A 1.5 in38 mm
Max. Bore (Dimensions ID1/ID2) N/A 2.125 in54.00 mm N/A 2.875 in73 mm N/A 3.375 in86.00 mm N/A 4.125 in105.00 mm N/A 4.125 in105.00 mm
Dimension CD N/A 5.500 in139.70 mm N/A 6.500 in165.10 mm N/A 7.810 in198.37 mm N/A 8.880 in225.55 mm N/A 9.560 in242.82 mm
Dimension HD N/A 4.120 in N/A 5.000 in N/A 5.500 in N/A 6.500 in N/A 6.500 in
Dimension SL N/A 1.380 in35.05 mm N/A 1.000 in25.40 mm N/A 1.000 in25.40 mm N/A 1.000 in25.40 mm N/A 1.380 in35.05 mm
Type N/A Spacer Hub
Cubic inches N/A 48.20730 in³ N/A 61.75000 in³ N/A 74.71750 in³ N/A 121.25750 in³ N/A 116.18750 in³
Weight N/A 4.00 lb N/A 4.50 lb N/A 12.30 lb N/A 14.00 lb N/A 16.00 lb