All Product Types > ENGINEERED BEARINGS > Tapered Roller Bearings > Tapered Roller Bearings - Single Cones > Tapered Roller Bearings - Single Cones - Metric > Part Number X32230M  

Part Number X32230M, Tapered Roller Bearings - Single Cones - Metric


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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.




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

Specifications

Series

32230M

Cone Part Number

X32230M

Design Units

METRIC

Cage Type

Stamped Steel

C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1

1480000 N
333000
lbf

C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2

384000 N
86300
lbf

Full Timken Part Number

32230
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

150 mm
5.9055
in

B - Cone Width

73.000 mm
2.8740
in


Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1

4.060 mm
0.16
in

da - Cone Frontface Backing Diameter

170 mm
6.69
in

db - Cone Backface Backing Diameter

183 mm
7.2
in

Ab - Cage-Cone Frontface Clearance

5.6 mm
0.22
in

Aa - Cage-Cone Backface Clearance

9.1 mm
0.36
in

a - Effective Center Location2

-11.7 mm
-0.46
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

221000 N
49600
lbf

C1 - Dynamic Radial Rating (1 million revolutions)2

851000 N
191000
lbf

C0 - Static Radial Rating

1230000 N
276000
lbf

Ca90 - Dynamic Thrust Rating (90 million revolutions)3

164000 N
36900
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

1.34

G1 - Heat Generation Factor (Roller-Raceway)

579.4

G2 - Heat Generation Factor (Rib-Roller End)

64.2

Cg - Geometry Factor2

0.119
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