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Tapered Roller Bearings - Single Cones - Metric
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Tapered Roller Bearings
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Tapered Roller Bearings - Single Cones
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Tapered Roller Bearings - Single Cones - Metric
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Part Number X31322M
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Part Number X31322M, 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.
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Unit of Measure:
Imperial
Metric
Both
Specifications
·
Dimensions
·
Abutment and Fillet Dimensions
·
Basic Load Ratings
·
Factors
Specifications
Cone Part Number
X31322M
Design Units
METRIC
Cage Type
Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)
1
963000
N
217000
lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)
2
250000
N
56100
lbf
1
Based on 1 x 10
6
revolutions L
10
life, for the ISO life calculation method.
2
Based on 90 x 10
6
revolutions L
10
life, for The Timken Company life calculation method. C
90
and C
a90
are radial and thrust values for a single-row, C
90(2)
is the two-row radial value.
Dimensions
d - Cone Bore
110
mm
4.3307
in
B - Cone Width
57.000
mm
2.2441
in
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius
1
1.8
mm
0.07
in
db - Cone Backface Backing Diameter
135
mm
5.35
in
Ab - Cage-Cone Frontface Clearance
13.2
mm
0.52
in
Aa - Cage-Cone Backface Clearance
9.1
mm
0.36
in
a - Effective Center Location
2
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
143000
N
32200
lbf
C
a90
- Dynamic Thrust Rating (90 million revolutions)
2
203000
N
45500
lbf
1
Based on 90 x 10
6
revolutions L
10
life, for The Timken Company life calculation method. C
90
and C
a90
are radial and thrust values.
2
Based on 90 x 10
6
revolutions L
10
life, for The Timken Company life calculation method. C
90
and C
a90
are radial and thrust values for a single-row, C
90(2)
is the two-row radial value.
Factors
K - Factor
1
0.71
1
These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
VIEW CAD DRAWING
·
3D
·
2D Sectional View
·
2D Sales Drawing
DOWNLOADS
Tapered Roller Bearing Engineering Information
(PDF, 663KB)
Bearing Life Calculation Tool
Bearing Dimensional Tolerances
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©
The Timken Company. ©
The Timken Company.
©
The Timken Company.