The Timken Company - Fafnir® Take-Up Mounted Bearings Eccentric 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	RTU 3/4 Fafnir® Take-Up Mounted Bearings Eccentric Locking Collar	VTU 3/4 Fafnir® Take-Up Mounted Bearings Eccentric Locking Collar	RTU 20 Fafnir® Take-Up Mounted Bearings Eccentric Locking Collar	VTU 20 Fafnir® Take-Up Mounted Bearings Eccentric Locking Collar	RTU 7/8 Fafnir® Take-Up Mounted Bearings Eccentric Locking Collar
Series	N/A Industrial	N/A Standard	N/A Industrial	N/A Standard	N/A Industrial
Shaft Size d	N/A 3/4 in	N/A 3/4 in	N/A 20 mm	N/A 20 mm	N/A 7/8 in
Bearing Number	N/A G1012KRRB	N/A GRA012RRB	N/A GE20KRRB	N/A GRAE20RRB	N/A G1014KRRB
Housing Width A	N/A 41.3 mm1.626 in	N/A 41.3 mm1.626 in	N/A 41.3 mm1.626 in	N/A 41.3 mm1.626 in	N/A 44.4 mm1.748 in
Slot Width A1	N/A 13.5 mm0.531 in
Socket Width A2	N/A 34.1 mm1.343 in	N/A 34.1 mm1.343 in	N/A 37.3 mm1.469 in	N/A 37.3 mm1.469 in	N/A 37.3 mm1.469 in
Total Height H	N/A 92.1 mm3.626 in
Pitch Height H1	N/A 76.2 mm
Height H2	N/A 57.2 mm
Total Length L	N/A 116.7 mm4.594 in	N/A 100.8 mm3.969 in	N/A 116.7 mm4.594 in	N/A 100.8 mm3.969 in	N/A 102.4 mm4.031 in
Shaft Length L1	N/A 67.5 mm2.657 in
Dimension L2	N/A 12.7 mm
Slot Length L3	N/A 57.2 mm2.252 in
Adjustment Screw Bore N	N/A 19 mm0.748 in
Opening Width N1	N/A 15.9 mm0.626 in
Opening Height N2	N/A 31.8 mm1.252 in
Dimension S1	N/A 26.6 mm1.047 in	N/A 23.51 mm0.926 in	N/A 26.6 mm1.047 in	N/A 23.51 mm0.926 in	N/A 26.9 mm1.059 in
Dimension G	N/A 47.6 mm1.874 in	N/A 44.1 mm1.736 in	N/A 47.6 mm1.874 in	N/A 44.1 mm1.736 in	N/A 42.9 mm1.689 in
Dimension P	N/A 49.2 mm1.937 in	N/A 33.3 mm1.311 in	N/A 49.2 mm1.937 in	N/A 33.3 mm1.311 in	N/A 34.9 mm1.374 in
Dimension T	N/A 20.6 mm0.811 in	N/A 20.6 mm0.811 in	N/A 20.6 mm0.811 in	N/A 20.6 mm0.811 in	N/A 22.2 mm0.874 in
Static Load Rating	N/A 6500 N1460 lbf	N/A 6500 N1460 lbf	N/A 6500 N1460 lbf	N/A 6500 N1460 lbf	N/A 7800 N1750 lbf
Dynamic Load Rating	N/A 14200 N3190 lbf	N/A 14200 N3190 lbf	N/A 14200 N3190 lbf	N/A 14200 N3190 lbf	N/A 15500 N3490 lbf
Seal Type	N/A Shroud Seal	N/A Molded Shroud	N/A Shroud Seal	N/A Molded Shroud	N/A Shroud Seal
Housing Construction	N/A Take-Up
Weight	N/A 1.44 Kg3.18 lb	N/A 1.37 Kg3.02 lb	N/A 1.44 Kg3.18 lb	N/A 1.37 Kg3.02 lb	N/A 1.50 Kg3.3 lb
Alternate Part Name	N/A RTU3/4	N/A VTU3/4	N/A RTU20	N/A VTU20	N/A RTU7/8