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All Product Types > ENGINEERED BEARINGS > Tapered Roller Bearings > Tapered Roller Bearings - TS (Tapered Single) > Tapered Roller Bearings - TS (Tapered Single) Imperial > Part Number 15102 - 15244  
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Part Number 15102 - 15244, 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.



Unit of Measure: Imperial Metric Both

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

Specifications

Series
15000

Cone Part Number
15102

Cup Part Number
15244

Design Unit
Inch

Cage Material
Stamped Steel


Dimensions

d - Bore
1.0000 in
25.400 mm

D - Cup Outer Diameter
2.4409 in
61.999 mm

B - Cone Width
0.8125 in
20.638 mm

C - Cup Width
0.6250 in
15.875 mm

T - Bearing Width
0.8125 in
20.638 mm


Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1
0.06 in
1.5 mm

r - Cup Backface "To Clear" Radius2
0.050 in
1.27 mm

da - Cone Frontface Backing Diameter
1.24 in
31.5 mm

db - Cone Backface Backing Diameter
1.34 in
34 mm

Da - Cup Frontface Backing Diameter
2.30 in
58.42 mm

Db - Cup Backface Backing Diameter
2.17 in
55.12 mm

Ab - Cage-Cone Frontface Clearance
0.07 in
1.8 mm

Aa - Cage-Cone Backface Clearance
0.03 in
0.8 mm

a - Effective Center Location3
-0.23 in
-5.8 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
3490 lbf
15500 N

C1 - Dynamic Radial Rating (1 million revolutions)2
13500 lbf
59900 N

C0 - Static Radial Rating
12100 lbf
53900 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)3
2090 lbf
9310 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
1.67

e - ISO Factor2
0.35

Y - ISO Factor3
1.71

G1 - Heat Generation Factor (Roller-Raceway)
14.6

G2 - Heat Generation Factor (Rib-Roller End)
10

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.



 DOWNLOADS 

Tapered Roller Bearing Engineering Information
(PDF, 663KB)

Bearing Life Calculation Tool

Bearing Dimensional Tolerances



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