The Timken Company - Fafnir® Two-Bolt 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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Unit of Measure

Items	RCJTC 5/8 Fafnir® Two-Bolt Flanged Mounted Bearings Concentric Locking Collar	RCJTC 3/4 Fafnir® Two-Bolt Flanged Mounted Bearings Concentric Locking Collar	RCJTC1 Fafnir® Two-Bolt Flanged Mounted Bearings Concentric Locking Collar	RCJTC1 1/8 Fafnir® Two-Bolt Flanged Mounted Bearings Concentric Locking Collar	RCJTC1 3/16 Fafnir® Two-Bolt Flanged Mounted Bearings Concentric Locking Collar
Series	N/A Industrial
Shaft Size d	N/A 5/8 in	N/A 3/4 in	N/A 1 in	N/A 1 1/8 in	N/A 1 3/16 in
Bearing Type	N/A Ball Bearing
Bearing Number	N/A GC1010KRRB	N/A GC1012KRRB	N/A GC1100KRRB	N/A GC1102KRRB	N/A GC1103KRRB
Collar No.	N/A
Total Length H	N/A 98.4 mm3.874 in	N/A 111.9 mm4.406 in	N/A 123.8 mm4.874 in	N/A 141.3 mm5.563 in	N/A 141.3 mm5.563 in
Total Height L	N/A 60.3 mm2.375 in	N/A 60.3 mm2.375 in	N/A 69.8 mm2.748 in	N/A 81 mm3.188 in	N/A 81 mm3.188 in
Housing Width A	N/A 23.6 mm0.929 in	N/A 27.8 mm1.094 in	N/A 27.9 mm1.098 in	N/A 29.9 mm1.177 in	N/A 29.9 mm1.177 in
Bolt Hole Spacing J	N/A 76.2 mm3 in	N/A 89.7 mm3.531 in	N/A 98.81 mm3.89 in	N/A 116.7 mm4.594 in	N/A 116.7 mm4.594 in
Bolt Hole Size N	N/A 9.9 mm0.39 in	N/A 9.9 mm0.39 in	N/A 11.9 mm0.469 in	N/A 11.5 mm0.453 in	N/A 11.5 mm0.453 in
Flange Thickness A1	N/A 8.3 mm0.328 in	N/A 11.1 mm0.437 in	N/A 11.1 mm0.437 in	N/A 13.5 mm0.532 in	N/A 13.5 mm0.532 in
Dimension B1	N/A 26.59 mm1.047 in	N/A 30.96 mm1.219 in	N/A 34.13 mm1.344 in	N/A 37.31 mm1.469 in	N/A 37.31 mm1.469 in
Dimension S1	N/A 15.5 mm0.609 in	N/A 18.7 mm0.734 in	N/A 20.2 mm0.797 in	N/A 22.6 mm0.891 in	N/A 22.6 mm0.891 in
Dimension E	N/A 32.7 mm1.287 in	N/A 38.2 mm1.502 in	N/A 39.8 mm1.569 in	N/A 43 mm1.693 in	N/A 43 mm1.693 in
Dimension d1	N/A 34.1 mm0.344 in	N/A 38.1 mm1.5 in	N/A 44.4 mm1.75 in	N/A 52.4 mm2.063 in	N/A 52.4 mm2.063 in
Dimension A3	N/A
Dimension M	N/A
Dimension E1	N/A
Dimension L1	N/A
Dimension H2	N/A
Dimension H3	N/A
Dimension K	N/A
Static Load Rating	N/A 4700 N1060 lbf	N/A 6200 N1400 lbf	N/A 7700 N1730 lbf	N/A 11100 N2500 lbf	N/A 11100 N2500 lbf
Dynamic Load Rating	N/A 10600 N2360 lbf	N/A 14300 N3200 lbf	N/A 15800 N3550 lbf	N/A 21800 N4900 lbf	N/A 21800 N4900 lbf
Seal Type	N/A Shroud Seal
Housing Construction	N/A Two-Bolt Flange
Stamping Size	N/A
Stamping Radial Load Rating	N/A
Housing Radial Load Rating	N/A
Weight	N/A 0.368 Kg0.81 lb	N/A 0.545 Kg1.2 lb	N/A 0.717 Kg1.58 lb	N/A 1.035 Kg2.28 lb	N/A 1.035 Kg2.28 lb
Alternate Part Name	N/A RCJTC 5/8	N/A RCJTC 3/4	N/A RCJTC1	N/A RCJTC1 3/16	N/A RCJTC1 3/16