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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.
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Unit of Measure

Specifications

Series

 N/A 33109

Cup Part Number

 N/A Y33109R

Design Units

 N/A METRIC

Full Timken Part Number

 N/A 33109

Dimensions

D - Cup Outer Diameter

 N/A 80 mm3.1496 in

D1 - Flange Outer Diameter

 N/A 85.000 mm3.3465 in

C - Cup Width

 N/A 20.500 mm0.8071 in

C1 - Cup Flange Width

 N/A 4.500 mm0.1772 in

Abutment and Fillet Dimensions

r - Cup Backface "To Clear" Radius1 N/A 1.5 mm0.06 in

Da - Cup Frontface Backing Diameter

 N/A 79.50 mm3.13 in

Factors

K - Factor2 N/A 1.52
e - ISO Factor3 N/A 0.38
Y - ISO Factor4 N/A 1.57

G1 - Heat Generation Factor (Roller-Raceway)

 N/A 35.7

G2 - Heat Generation Factor (Rib-Roller End)

 N/A 14.5
Cg - Geometry Factor5 N/A 0.0843
  • 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.