All Product Types > ENGINEERED BEARINGS > Tapered Roller Bearings > Tapered Roller Bearings - Single Cones > Tapered Roller Bearings - Single Cones - Metric > Part Number X32326M  

Part Number X32326M, 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

32326

Cone Part Number

X32326M

Design Units

METRIC

Cage Type

Stamped Steel

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

1950000 N
439000
lbf

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

506000 N
114000
lbf

Full Timken Part Number

32326
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

130 mm
5.1181
in

B - Cone Width

93 mm
3.6614
in


Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1

5 mm
0.200
in

da - Cone Frontface Backing Diameter

156 mm
6.14
in

db - Cone Backface Backing Diameter

171 mm
6.73
in

Ab - Cage-Cone Frontface Clearance

6.4 mm
0.25
in

Aa - Cage-Cone Backface Clearance

11.4 mm
0.45
in

a - Effective Center Location2

-28.7 mm
-1.13
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

291000 N
65300
lbf

C1 - Dynamic Radial Rating (1 million revolutions)2

1120000 N
252000
lbf

C0 - Static Radial Rating

1460000 N
329000
lbf

Ca90 - Dynamic Thrust Rating (90 million revolutions)3

172000 N
38600
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

1.69

G1 - Heat Generation Factor (Roller-Raceway)

557.1

G2 - Heat Generation Factor (Rib-Roller End)

47.5

Cg - Geometry Factor2

0.129
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