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

Specifications

Cone Part Number

 HH926749

Cup Part Number

 HH926710

Related Assembly Number(s)

 HH926749-90018 HH926749-90032 HH926749-90037 HH926749-902B2

Outer Spacer Part Number

 HH926710EB

Design Unit

 Inch

Dimensions

d - Bore

 4.7500 in120.650 mm

D - Cup Outer Diameter

 10.7500 in273.050 mm

T - Width

 6.5 in165.1 mm

B - Width

 6.5 in165.1 mm

Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1 0.06 in1.5 mm
r - Cup Backface "To Clear" Radius2 0.250 in6.35 mm

db - Cone Backface Backing Diameter

 6.61 in168 mm

Da - Cup Frontface Backing Diameter

 10.00 in254.00 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (90 million revolutions)3 62100 lbf276000 N
C1 - Dynamic Radial Rating (1 million revolutions)4 417000 lbf1850000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)5 67200 lbf299000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6 108000 lbf481000 N

Factors

K - Factor7 0.92
e - ISO Factor8 0.63
Y1 - ISO Factor9 1.07
Y2 - ISO Factor10 1.59
  • 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.