The Timken Company - Fafnir® Piloted Round Flanged Mounted Bearings - Concentric Locking Collar

Smarter Bearing Selection Is Here

The Timken ^® Syber ^® Bearing System Designer Tool now features Smart Selection, enabling users to find the right bearing faster by filtering options based on target life and key dimensions.

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Analyze Bearing Performance in an Application with Timken ^® Syber ^® Bearing System Designer

A powerful software tool that combines calculators and configurators to assist you with application design, bearing selection, installation, and troubleshooting. It’s free, easy-to-use, and accessible 24/7.

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Simplified Gear Force Analysis

Alex Waye, Timken Application Engineer, shows you how to instantly compute tangential, radial, and axial forces for better design decisions.

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Unit of Measure

Items	RFC1 Fafnir® Piloted Round Flanged Mounted Bearings - Concentric Locking Collar	RFC1 1/8 Fafnir® Piloted Round Flanged Mounted Bearings - Concentric Locking Collar	RFC1 3/16 Fafnir® Piloted Round Flanged Mounted Bearings - Concentric Locking Collar	RFC1 1/4S Fafnir® Piloted Round Flanged Mounted Bearings - Concentric Locking Collar	RFC1 1/4 Fafnir® Piloted Round Flanged Mounted Bearings - Concentric Locking Collar
Shaft Size d	N/A 1 in	N/A 1 1/8 in	N/A 1 3/16 in	N/A 1 1/4 in	N/A 1 1/4 in
Bearing Type	N/A Ball Bearing
Bearing Number	N/A GC1100KRRB	N/A GC1102KRRB	N/A GC1103KRRB	N/A GC1103KRRB3	N/A GC1104KRRB
Total Length H	N/A 111.1 mm4.375 in	N/A 127 mm5 in	N/A 127 mm5 in	N/A 127 mm5 in	N/A 133.4 mm5.25 in
Total Height L	N/A 111.1 mm4.375 in	N/A 127 mm5 in	N/A 127 mm5 in	N/A 127 mm5 in	N/A 133.4 mm5.25 in
Housing Width A	N/A 28.2 mm1.109 in	N/A 30.6 mm1.203 in	N/A 30.6 mm1.203 in	N/A 30.6 mm1.203 in	N/A 34.1 mm1.344 in
Flange Thickness A1	N/A 9.5 mm0.375 in	N/A 9.5 mm0.375 in	N/A 9.5 mm0.375 in	N/A 9.5 mm0.375 in	N/A 12.7 mm0.5 in
Dimension A3	N/A 6.4 mm0.25 in	N/A 10.7 mm0.422 in	N/A 10.7 mm0.422 in	N/A 10.7 mm0.422 in	N/A 11.9 mm0.469 in
Dimension D	N/A 76.2 mm3 in	N/A 85.72 mm3.375 in	N/A 85.72 mm3.375 in	N/A 85.72 mm3.375 in	N/A 92.08 mm3.625 in
Dimension E	N/A 31.4 mm1.234 in	N/A 30.2 mm1.188 in	N/A 30.2 mm1.188 in	N/A 30.2 mm1.188 in	N/A 32.5 mm1.281 in
Dimension E1	N/A 9.5 mm0.375 in	N/A 10.3 mm0.406 in	N/A 10.3 mm0.406 in	N/A 10.3 mm0.406 in	N/A 10.3 mm0.406 in
Bolt Circle Diameter J	N/A 92.1 mm3.625 in	N/A 104.8 mm4 1/8 in	N/A 104.8 mm4 1/8 in	N/A 104.8 mm4 1/8 in	N/A 111.1 mm4 3/8 in
Dimension K	N/A 3.6 mm0.141 in	N/A 3.6 mm0.141 in	N/A 3.6 mm0.141 in	N/A 3.6 mm0.141 in	N/A 3.2 mm0.125 in
Bolt Hole Size N	N/A 10.3 mm0.406 in	N/A 11.9 mm0.469 in	N/A 11.9 mm0.469 in	N/A 11.9 mm0.469 in	N/A 11.9 mm0.469 in
Dimension S1	N/A 20.2 mm0.797 in	N/A 22.6 mm0.891 in	N/A 22.6 mm0.891 in	N/A 22.6 mm0.891 in	N/A 25.4 mm1 in
Dimension d1	N/A 44.4 mm1.75 in	N/A 52.4 mm2.063 in	N/A 52.4 mm2.063 in	N/A 52.4 mm2.063 in	N/A 59.5 mm2.344 in
Static Load Rating	N/A 7700 N1730 lbf	N/A 11100 N2500 lbf	N/A 11100 N2500 lbf	N/A 11100 N2500 lbf	N/A 15100 N3400 lbf
Dynamic Load Rating	N/A 15800 N3550 lbf	N/A 21800 N4900 lbf	N/A 21800 N4900 lbf	N/A 21800 N4900 lbf	N/A 28500 N6400 lbf
Housing Construction	N/A Piloted Round Flanged
Weight	N/A 1.152 Kg2.54 lb	N/A 1.742 Kg3.84 lb	N/A 1.742 Kg3.84 lb	N/A 1.742 Kg3.84 lb	N/A 1.864 Kg4.11 lb
Alternate Part Name	N/A RFC1	N/A RFC1 1/8	N/A RFC1 3/16	N/A RFC1 1/4S	N/A RFC1 1/4