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All Product Types > ENGINEERED BEARINGS > Tapered Roller Bearings > Tapered Roller Bearings - Single Cones > Tapered Roller Bearings - Single Cones - Metric > Part Number XAA32005X  
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Part Number XAA32005X, Tapered Roller Bearings - Single Cones - Metric


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
32005X

Cone Part Number
XAA32005X

Design Units
METRIC

Cage Type
Stamped Steel

C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1
63500 N
14300 lbf

C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2
16500 N
3700 lbf

Full Timken Part Number
32005X
1 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
2 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.


Dimensions

d - Cone Bore
25 mm
0.9843 in

B - Cone Width
15.000 mm
0.5906 in


Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1
3.300 mm
0.13 in

da - Cone Frontface Backing Diameter
30 mm
1.18 in

db - Cone Backface Backing Diameter
37 mm
1.46 in

Ab - Cage-Cone Frontface Clearance
1.8 mm
0.07 in

Aa - Cage-Cone Backface Clearance
0 mm
0 in

a - Effective Center Location2
-3.3 mm
-0.13 in
1 These maximum fillet radii will be cleared by the bearing corners.
2 Negative value indicates effective center inside cone backface.


Basic Load Ratings

C90 - Dynamic Radial Rating (90 million revolutions)1
9460 N
2130 lbf

C1 - Dynamic Radial Rating (1 million revolutions)2
36500 N
8200 lbf

C0 - Static Radial Rating
35400 N
7960 lbf

Ca90 - Dynamic Thrust Rating (90 million revolutions)3
6970 N
1570 lbf
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
1.36

G1 - Heat Generation Factor (Roller-Raceway)
8.6

G2 - Heat Generation Factor (Rib-Roller End)
8.7

Cg - Geometry Factor2
0.0546
1 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
2 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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