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All Product Types > Tapered Roller Bearings > Tapered Roller Bearings - TS (Tapered Single) > Tapered Roller Bearings - TS (Tapered Single) Imperial > Timken Part Number 17580 - 17520  
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Timken Part Number 17580 - 17520, Tapered Roller Bearings - TS (Tapered Single) Imperial




This is the most basic and most widely used type of tapered roller bearing. It 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.

Tapered Roller Bearings - TS (Tapered Single)

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Tapered Roller Bearings - TS (Tapered Single) 2

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Unit of Measure: Imperial | Metric | Both 

Specifications · Dimensions · Abutment and Fillet Dimensions · Basic Load Ratings · Factors

Specifications

Series

17500

Cone Part Number

17580

Cup Part Number

17520

Design Units

Imperial

Bearing Weight

0.300 lb
0.100 Kg

Cage Type

Stamped Steel


Dimensions

D - Cup Outer Diameter

1.6875 in
42.863 mm

d - Cone Bore

0.6250 in
15.875 mm

B - Cone Width

0.6563 in
16.670 mm

C - Cup Width

0.5313 in
13.495 mm

T - Bearing Width

0.6563 in
16.670 mm

Z - Number of Rollers Per Row

12


Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1

0.060 in
1.520 mm

r - Cup Backface "To Clear" Radius2

0.060 in
1.52 mm

da - Cone Frontface Backing Diameter

0.83 in
21.08 mm

db - Cone Backface Backing Diameter

0.91 in
23.11 mm

Da - Cup Frontface Backing Diameter

1.56 in
39.62 mm

Db - Cup Backface Backing Diameter

1.44 in
36.58 mm

Ab - Cage-Cone Frontface Clearance

0.08 in
2.03 mm

Aa - Cage-Cone Backface Clearance

0.02 in
0.51 mm

a - Effective Center Location3

-0.23 in
-5.80 mm
1 These maximum fillet radii will be cleared by the bearing corners.
2 These maximum fillet radii will be cleared by the bearing corners.
3 Negative value indicates effective center inside cone backface.


Basic Load Ratings

C90 - Dynamic Radial Rating (90 million revolutions)1

1830 lbf
8150 N

C1 - Dynamic Radial Rating (1 million revolutions)2

7070 lbf
31400 N

C0 - Static Radial Rating

6560 lbf
29200 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)3

1040 lbf
4620 N
1 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values.
2 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
3 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values for a single-row, C90(2) is the two-row radial value.


Factors

K - Factor1

1.76

e - ISO Factor2

0.33

Y - ISO Factor3

1.81

G1 - Heat Generation Factor (Roller-Raceway)

5.3

G2 - Heat Generation Factor (Rib-Roller End)

4.53

Cg - Geometry Factor

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.


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 DOWNLOADS 

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 width= Bearing Life Calculation Tool

 width= Bearing Dimensional Tolerances

 width= Tools and Guides for Engineers


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