Part Number 17520-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 17520-B


	Part Number 17520-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		17500

Cup Part Number		17520-B

Design Units		Imperial

Dimensions

D - Cup Outer Diameter		1.6875 in 42.863 mm

D1 - Flange Outer Diameter		1.8085 in 45.936 mm

C - Cup Width		0.5313 in 13.495 mm

C1 - Cup Flange Width		0.1250 in 3.175 mm

Abutment and Fillet Dimensions

r - Cup Backface "To Clear" Radius¹

0.06 in
1.5 mm

Da - Cup Frontface Backing Diameter

1.61 in
40.89 mm

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

Factors

K - Factor¹

1.76

e - ISO Factor²

0.33

Y - ISO Factor³

1.81

G1 - Heat Generation Factor (Roller-Raceway)

147

G2 - Heat Generation Factor (Rib-Roller End)

32.8

Cg - Geometry Factor⁴

0.0423

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 17520-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