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Tapered Roller Bearings - 2TS-IM (Matched Bearing Assembly, Indirect Mount)
Unit of Measure

Specifications

Cone Part Number

 02475

Cup Part Number

 02420

Related Assembly Number(s)

 02475-902A1 02475-902A3

Inner Spacer Part Number

 K820378

Design Unit

 Inch

Dimensions

d - Bore

 1 1/4 in31.750 mm

D - Cup Outer Diameter

 2.6875 in68.263 mm

T - Width

 3.835 in97.409 mm

C - Width

 3.46 in87.884 mm

Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1 0.14 in3.600 mm
r - Cup Backface "To Clear" Radius2 0.030 in0.8 mm

db - Cone Backface Backing Diameter

 1.75 in44.5 mm

Da - Cup Frontface Backing Diameter

 2.52 in63.00 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (90 million revolutions)3 3720 lbf16500 N
C1 - Dynamic Radial Rating (1 million revolutions)4 25000 lbf111000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)5 2650 lbf11800 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6 6470 lbf28800 N

Factors

K - Factor7 1.4
e - ISO Factor8 0.42
Y1 - ISO Factor9 1.62
Y2 - ISO Factor10 2.42
  • 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 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values.
  • 4 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
  • 5 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values for a single-row, C90(2) is the two-row radial value.
  • 6 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 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 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.