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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 L507900

Cup Part Number

 N/A L507910-B

Design Units

 N/A Imperial

Dimensions

D - Cup Outer Diameter

 N/A 3.4375 in87.313 mm

D1 - Flange Outer Diameter

 N/A 3.5625 in90.488 mm

C - Cup Width

 N/A 0.5625 in14.288 mm

C1 - Cup Flange Width

 N/A 0.1250 in3.175 mm

Abutment and Fillet Dimensions

r - Cup Backface "To Clear" Radius1 N/A 0.06 in1.5 mm

Da - Cup Frontface Backing Diameter

 N/A 3.39 in86.10 mm

Factors

K - Factor2 N/A 1.5
e - ISO Factor3 N/A 0.39
Y - ISO Factor4 N/A 1.54
Cg - Geometry Factor5 N/A 0.0914
  • 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.