The Timken Company - Tapered Roller Bearings - Single Flanged Cups - Imperial

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Items	02420-B Tapered Roller Bearings - Single Flanged Cups - Imperial	05185-B Tapered Roller Bearings - Single Flanged Cups - Imperial	07196-B Tapered Roller Bearings - Single Flanged Cups - Imperial	07204-B Tapered Roller Bearings - Single Flanged Cups - Imperial	07210XB Tapered Roller Bearings - Single Flanged Cups - Imperial
Series	N/A 02400	N/A 05000	N/A 07000	N/A 07000	N/A 07000
Cup Part Number	N/A 02420-B	N/A 05185-B	N/A 07196-B	N/A 07204-B	N/A 07210XB
Design Units	N/A Imperial
D - Cup Outer Diameter	N/A 2.6875 in68.263 mm	N/A 1.8504 in47 mm	N/A 1.9687 in50.005 mm	N/A 2.047 in51.994 mm	N/A 2 in50.8 mm
D1 - Flange Outer Diameter	N/A 2.8397 in72.128 mm	N/A 2.0024 in50.861 mm	N/A 2.1209 in53.871 mm	N/A 2.1990 in55.855 mm	N/A 2.1560 in54.762 mm
C - Cup Width	N/A 0.6875 in17.463 mm	N/A 0.4375 in11.113 mm	N/A 0.3750 in9.525 mm	N/A 0.5 in12.700 mm	N/A 0.5 in12.700 mm
C1 - Cup Flange Width	N/A 0.1562 in3.967 mm	N/A 0.1090 in2.769 mm	N/A 0.1094 in2.779 mm	N/A 0.1090 in2.769 mm	N/A 0.1090 in2.769 mm
r - Cup Backface "To Clear" Radius¹	N/A 0.06 in1.5 mm	N/A 0.06 in1.5 mm	N/A 0.04 in1.0 mm	N/A 0.06 in1.5 mm	N/A 0.06 in1.5 mm
Da - Cup Frontface Backing Diameter	N/A 2.60 in65.02 mm	N/A 1.79 in45.47 mm	N/A 1.95 in49.02 mm	N/A 2.01 in50.04 mm	N/A 1.95 in49.02 mm
Db - Cup Backface Backing Diameter	N/A
K - Factor²	N/A 1.4	N/A 1.64	N/A 1.45	N/A 1.45	N/A 1.45
e - ISO Factor³	N/A 0.42	N/A 0.36	N/A 0.4	N/A 0.4	N/A 0.4
Y - ISO Factor⁴	N/A 1.44	N/A 1.68	N/A 1.49	N/A 1.49	N/A 1.49
G1 - Heat Generation Factor (Roller-Raceway)	N/A 1.07
G2 - Heat Generation Factor (Rib-Roller End)	N/A 1.07
Cg - Geometry Factor⁵	N/A 0.0681	N/A 0.0448	N/A 0.0509	N/A 0.0509	N/A 0.0509
¹ These maximum fillet radii will be cleared by the bearing corners. ² These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. ³ These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. ⁴ These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. ⁵ Geometry constant for Lubrication Life Adjustment Factor a3l.