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Like the TS bearing design, the TSF design consists of two main separable parts: the cone (inner ring) assembly and the cup (outer ring). It is typically mounted in opposing pairs on a shaft. TSF bearings have flanged cups to facilitate axial location and accurately align seals in through-bored housings.
Unit of Measure

Specifications

Series

 32009X

Cone Part Number

 X32009X

Cup Part Number

 Y32009XR

Design Unit

 Metric

Cage Material

 Stamped Steel

Related Assembly Number(s)

 32009X-90KA5

Dimensions

d - Bore

 45 mm1.7717 in

D - Cup Outer Diameter

 75 mm2.9528 in

D1 - Flange Outer Diameter

 79.000 mm3.1102 in

B - Cone Width

 20.000 mm0.7874 in

C - Cup Width

 15.500 mm0.6102 in

C1 - Cup Flange Width

 3.500 mm0.1378 in

T1 - Bearing Width to Flange

 8.000 mm3.150 in

Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1 1.020 mm0.040 in
r - Cup Backface "To Clear" Radius2 1.0 mm0.04 in

da - Cone Frontface Backing Diameter

 51 mm2.01 in

db - Cone Backface Backing Diameter

 53 mm2.09 in

Da - Cup Frontface Backing Diameter

 73.91 mm2.94 in

Ab - Cage-Cone Frontface Clearance

 2.5 mm0.1 in

Aa - Cage-Cone Backface Clearance

 0.3 mm0.01 in
a - Effective Center Location3 -3.3 mm-0.13 in

Basic Load Ratings

C90 - Dynamic Radial Rating (90 million revolutions)4 20400 N4590 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5 78700 N17700 lbf

C0 - Static Radial Rating

 84300 N19000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 13700 N3080 lbf

Factors

K - Factor7 1.49
e - ISO Factor8 0.39
Y - ISO Factor9 1.53

G1 - Heat Generation Factor (Roller-Raceway)

 28.7

G2 - Heat Generation Factor (Rib-Roller End)

 16.2
Cg - Geometry Factor10 0.0788
  • 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 Ca90 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 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 Geometry constant for Lubrication Life Adjustment Factor a3l.