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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

Other Dimensions

Weight

 N/A 30.4 Kg67 lb

Outer Ring Flange O.D.(D1)

 N/A 28.8711 in733.326 mm

Outer Ring Width (C)

 N/A 1.3125 in33.338 mm

Outer Ring Flange Width (C2)

 N/A 0.3125 in7.938 mm
Max Housing Fillet Radius1 N/A 0.13 in3.3 mm

Housing Backing Shoulder Diameter - Frontface (Da)

 N/A 27.96 in710.2 mm

Key Dimensions

Series

 N/A LL780200

Cup Part Number

 N/A LL780210-B

O.D. (D)

 N/A 28.5625 in725.488 mm
K Factor 2 N/A 1.25
e Factor 3 N/A 0.47
Y Factor 4 N/A 1.29

Factors

G1 Factor

 N/A 1630

G2 Factor

 N/A 168
Geometry Factor (Cg)5 N/A 0.264
  • 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.