The Timken Company - Fafnir® Pillow Block 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	RASC 5/8 Fafnir® Pillow Block Mounted Bearings Concentric Locking Collar	RASC 3/4 Fafnir® Pillow Block Mounted Bearings Concentric Locking Collar	RASC1 Fafnir® Pillow Block Mounted Bearings Concentric Locking Collar	RASC1 1/8 Fafnir® Pillow Block Mounted Bearings Concentric Locking Collar	RASC1 3/16 Fafnir® Pillow Block 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
Base to Center Height H	N/A 30.2 mm1.188 in	N/A 33.3 mm1.313 in	N/A 36.5 mm1.438 in	N/A 42.9 mm1.688 in	N/A 42.9 mm1.688 in
Total Length L	N/A 123.8 mm4.875 in	N/A 127 mm5 in	N/A 139.7 mm5.5 in	N/A 157.2 mm6.188 in	N/A 157.2 mm6.188 in
Total Width A	N/A 30.2 mm1.188 in	N/A 33.3 mm1.311 in	N/A 37.3 mm1.469 in	N/A 42.9 mm1.688 in	N/A 42.9 mm1.688 in
Bolt Hole Spacing J	N/A 92.1 mm3.625 in	N/A 96 mm0.781 in	N/A 104.8 mm4 1/8 in	N/A 117.5 mm4.625 in	N/A 117.5 mm4.625 in
Bolt Hole Width N	N/A 11.1 mm0.438 in	N/A 11.1 mm0.438 in	N/A 11.1 mm0.438 in	N/A 14.3 mm0.563 in	N/A 14.3 mm0.563 in
Bolt Hole Length N1	N/A 22.2 mm0.875 in	N/A 19.8 mm0.781 in	N/A 20.2 mm0.813 in	N/A 23.8 mm0.938 in	N/A 23.8 mm0.938 in
Foot Height H1	N/A 11.9 mm0.469 in	N/A 15.1 mm0.594 in	N/A 15.1 mm0.594 in	N/A 16.7 mm0.656 in	N/A 16.7 mm0.656 in
Total Height H2	N/A 56.4 mm2.219 in	N/A 65.9 mm0.594 in	N/A 73 mm0.875 in	N/A 84.9 mm3.344 in	N/A 84.9 mm3.344 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 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 T	N/A 15.1 mm0.594 in	N/A 16.7 mm0.656 in	N/A 18.7 mm0.734 in	N/A 21.4 mm0.844 in	N/A 21.4 mm0.844 in
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 Pillow Block
Weight	N/A 0.454 Kg1 lb	N/A 0.635 Kg1.400 lb	N/A 0.803 Kg1.77 lb	N/A 1.297 Kg2.86 lb	N/A 1.297 Kg2.86 lb
Alternate Part Name	N/A RASC 5/8	N/A RASC 3/4	N/A RASC1	N/A RASC1 1/8	N/A RASC1 3/16