Part Number 3525-B, Tapered Roller Bearings - Single Flanged Cups

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 | Other Dimensions | Factors

Key Dimensions

Cup Part Number	N/A 3525-B
O.D. (D)	N/A 3.4375 in87.313 mm
Outer Ring Width (C)	N/A 0.9375 in23.813 mm
e Factor ¹	N/A 0.31
K Factor ²	N/A 1.91
Y Factor ³	N/A 1.96

Other Dimensions

Weight	N/A 0.6 Kg1.3 lb
Outer Ring Flange O.D.(D1)	N/A 3.6215 in91.986 mm
Outer Ring Flange Width (C2)	N/A 0.1870 in4.750 mm
Max Housing Fillet Radius⁴	N/A 0.130 in3.30 mm
Housing Backing Shoulder Dia. - Frontface (Da)	N/A 3.27 in82.04 mm

Factors

Geometry Factor (Cg)⁵

N/A 0.0808

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.

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Key Dimensions

Cup Part Number

O.D. (D)

Outer Ring Width (C)

Other Dimensions

Weight

Outer Ring Flange O.D.(D1)

Outer Ring Flange Width (C2)

Housing Backing Shoulder Dia. - Frontface (Da)

Factors