Part Number 15250-B, Tapered Roller Bearings - Single Flanged Cups

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	All Product Types Tapered Roller Bearings - Single Flanged Cups - Imperial

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All Product Types > ENGINEERED BEARINGS > Tapered Roller Bearings > Tapered Roller Bearings - Single Cups > Tapered Roller Bearings - Single Flanged Cups - Imperial > Part Number 15250-B


	Part Number 15250-B, Tapered Roller Bearings - Single Flanged Cups - Imperial

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: Imperial Metric Both

Specifications · Dimensions · Abutment and Fillet Dimensions · Factors

Specifications

Series		15000

Cup Part Number		15250-B

Design Units		Imperial

Dimensions

D - Cup Outer Diameter		2.5000 in 63.500 mm

D1 - Flange Outer Diameter		2.6522 in 67.366 mm

C - Cup Width		0.625 in 15.875 mm

C1 - Cup Flange Width		0.1562 in 3.967 mm

Abutment and Fillet Dimensions

r - Cup Backface "To Clear" Radius¹

0.050 in
1.3 mm

Da - Cup Frontface Backing Diameter

2.40 in
59.94 mm

¹ These maximum fillet radii will be cleared by the bearing corners.

Factors

K - Factor¹

1.67

e - ISO Factor²

0.35

Y - ISO Factor³

1.71

Cg - Geometry Factor⁴

0.0606

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 Geometry constant for Lubrication Life Adjustment Factor a3l.

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Part Number 15250-B, Tapered Roller Bearings - Single Flanged Cups - Imperial

Series

Cup Part Number

Design Units

D - Cup Outer Diameter

D1 - Flange Outer Diameter

C - Cup Width

C1 - Cup Flange Width

r - Cup Backface "To Clear" Radius1

Da - Cup Frontface Backing Diameter

K - Factor1

e - ISO Factor2

Y - ISO Factor3

Cg - Geometry Factor4

r - Cup Backface "To Clear" Radius¹

K - Factor¹

e - ISO Factor²

Y - ISO Factor³

Cg - Geometry Factor⁴