The Timken Company - Tapered Roller Bearings - TSF (Tapered Single with Flange) Imperial

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Items	02474 - 02420-B Tapered Roller Bearings - TSF (Tapered Single with Flange) Imperial	02474A - 02420-B Tapered Roller Bearings - TSF (Tapered Single with Flange) Imperial	02475 - 02420-B Tapered Roller Bearings - TSF (Tapered Single with Flange) Imperial	02476 - 02420-B Tapered Roller Bearings - TSF (Tapered Single with Flange) Imperial	02473 - 02420-B Tapered Roller Bearings - TSF (Tapered Single with Flange) Imperial
Series	N/A 2400
Cone Part Number	N/A 02474	N/A 02474A	N/A 02475	N/A 02476	N/A 02473
Cup Part Number	N/A 02420-B
d - Bore	N/A 1 1/8 in28.575 mm	N/A 1.1806 in29.987 mm	N/A 1 1/4 in31.750 mm	N/A 1 1/4 in31.750 mm	N/A 1 in25.400 mm
D - Cup Outer Diameter	N/A 2.6875 in68.263 mm
D1 - Flange Outer Diameter	N/A 2.8397 in72.128 mm
B - Cone Width	N/A 0.875 in22.225 mm
C - Cup Width	N/A 0.6875 in17.463 mm
Design Unit	N/A Inch
C1 - Cup Flange Width	N/A 0.1562 in3.967 mm
T1 - Bearing Width to Flange	N/A 0.3437 in8.730 mm
R - Cone Backface "To Clear" Radius¹	N/A 0.03 in0.800 mm	N/A 0.03 in0.800 mm	N/A 0.14 in3.600 mm	N/A 0.03 in0.800 mm	N/A 0.03 in0.760 mm
r - Cup Backface "To Clear" Radius²	N/A 0.06 in1.5 mm
da - Cone Frontface Backing Diameter	N/A 1.42 in36 mm	N/A 1.52 in38.5 mm	N/A 1.52 in38.5 mm	N/A 1.52 in38.5 mm	N/A 1.32 in33.5 mm
db - Cone Backface Backing Diameter	N/A 1.44 in36.5 mm	N/A 1.56 in39.5 mm	N/A 1.75 in44.5 mm	N/A 1.54 in39 mm	N/A 1.36 in34.5 mm
Da - Cup Frontface Backing Diameter	N/A 2.60 in65.02 mm
Ab - Cage-Cone Frontface Clearance	N/A 0.06 in1.5 mm
Aa - Cage-Cone Backface Clearance	N/A 0.03 in0.8 mm
a - Effective Center Location³	N/A -0.2 in-5.1 mm
C90 - Dynamic Radial Rating (90 million revolutions)⁴	N/A 3720 lbf16500 N
C1 - Dynamic Radial Rating (1 million revolutions)⁵	N/A 14300 lbf63800 N
C0 - Static Radial Rating	N/A 15800 lbf70200 N
C_a90 - Dynamic Thrust Rating (90 million revolutions)⁶	N/A 2650 lbf11800 N
K - Factor⁷	N/A 1.4
e - ISO Factor⁸	N/A 0.42
Y - ISO Factor⁹	N/A 1.44
G1 - Heat Generation Factor (Roller-Raceway)	N/A 17.5
G2 - Heat Generation Factor (Rib-Roller End)	N/A 8.48	N/A 8.48	N/A 8.48	N/A 8.48	N/A 8.5
Cg - Geometry Factor¹⁰	N/A 0.0681
Bearing Weight	N/A 1.5 lb0.7 Kg	N/A 1.3 lb0.6 Kg	N/A 1.3 lb0.6 Kg	N/A 1.2 lb0.6 Kg	N/A 1.3 lb0.6 Kg
Cage Material	N/A Stamped Steel
Full Timken Part Number	N/A
¹ These maximum fillet radii will be cleared by the bearing corners. ² These maximum fillet radii will be cleared by the bearing corners. ³ Negative value indicates effective center inside cone backface. ⁴ Based on 90 x 10⁶ revolutions L₁₀ life, for The Timken Company life calculation method. C₉₀ and C_a90 are radial and thrust values. ⁵ Based on 1 x 10⁶ revolutions L₁₀ life, for the ISO life calculation method. ⁶ Based on 90 x 10⁶ revolutions L₁₀ life, for The Timken Company life calculation method. C₉₀ and C_a90 are radial and thrust values for a single-row, C₉₀₍₂₎ is the two-row radial value. ⁷ These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. ⁸ These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. ⁹ These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. ¹⁰ Geometry constant for Lubrication Life Adjustment Factor a3l.