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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

N/A 30307

Cup Part Number

N/A Y30307RM

Design Units

N/A METRIC

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 18 mm0.7087 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 78.99 mm3.11 in

Factors

K - Factor2 N/A 1.85
e - ISO Factor3 N/A 0.31
Y - ISO Factor4 N/A 1.9
Cg - Geometry Factor5 N/A 0.0675
  • 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.
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