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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

Key Dimensions

Cup Part Number

 N/A A4138-B

O.D. (D)

 N/A 1.3775 in34.989 mm

Outer Ring Width (C)

 N/A 0.3437 in8.730 mm
e Factor 1 N/A 0.45
K Factor 2 N/A 1.29
Y Factor 3 N/A 1.32

Other Dimensions

Weight

 N/A 0.10 Kg0.10 lb

Outer Ring Flange O.D.(D1)

 N/A 1.4985 in38.062 mm

Outer Ring Flange Width (C2)

 N/A 0.0930 in2.362 mm
Max Housing Fillet Radius4 N/A 0.050 in1.3 mm

Housing Backing Shoulder Dia. - Frontface (Da)

 N/A 1.34 in33.53 mm

Factors

Geometry Factor (Cg)5 N/A 0.0355
  • 1 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 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 maximum fillet radii will be cleared by the bearing corners.
  • 5 Geometry constant for Lubrication Life Adjustment Factor a3l.