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Part Number X32952M - Y32952M
Part Number X32952M - Y32952M, Tapered Roller Bearings - TS (Tapered Single) 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.
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Specifications
·
Dimensions
·
Abutment and Fillet Dimensions
·
Basic Load Ratings
·
Factors
Specifications
Series
32952
Cone Part Number
X32952M
Cup Part Number
Y32952M
Design Unit
Metric
Cage Material
Stamped Steel
Related Assembly Number(s)
32952M-90KM1
Dimensions
d - Bore
260
mm
10.2362
in
D - Cup Outer Diameter
360
mm
14.1732
in
B - Cone Width
63.5
mm
2.5
in
C - Cup Width
48
mm
1.8898
in
T - Bearing Width
63.500
mm
2.5000
in
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius
1
3
mm
0.12
in
r - Cup Backface "To Clear" Radius
2
2.5
mm
0.1
in
da - Cone Frontface Backing Diameter
275
mm
10.83
in
db - Cone Backface Backing Diameter
280
mm
11.02
in
Da - Cup Frontface Backing Diameter
347.5
mm
13.68
in
Db - Cup Backface Backing Diameter
337
mm
13.27
in
Ab - Cage-Cone Frontface Clearance
4.6
mm
0.18
in
Aa - Cage-Cone Backface Clearance
6.1
mm
0.24
in
a - Effective Center Location
3
6.1
mm
0.24
in
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
215000
N
48300
lbf
C1 - Dynamic Radial Rating (1 million revolutions)
2
829000
N
186000
lbf
C0 - Static Radial Rating
1690000
N
379000
lbf
C
a90
- Dynamic Thrust Rating (90 million revolutions)
3
150000
N
33600
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 1 x 10
6
revolutions L
10
life, for the ISO life calculation method.
3
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
1.44
e - ISO Factor
2
0.41
Y - ISO Factor
3
1.48
G1 - Heat Generation Factor (Roller-Raceway)
1503.1
G2 - Heat Generation Factor (Rib-Roller End)
206.8
Cg - Geometry Factor
4
0.158
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.
VIEW CAD DRAWING
·
3D
·
2D ISO View
·
2D Sales Drawing
DOWNLOADS
Tapered Roller Bearing Engineering Information
(PDF, 663KB)
Bearing Life Calculation Tool
Bearing Dimensional Tolerances
