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Part Number 32960
Part Number 32960, 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
32960
Cone Part Number
X32960M
Cup Part Number
Y32960M
Design Unit
Metric
Cage Material
Stamped Steel
Related Assembly Number(s)
32960M-90KA2
Dimensions
d - Bore
300
mm
11.811
in
D - Cup Outer Diameter
420
mm
16.5354
in
B - Cone Width
76
mm
2.9921
in
C - Cup Width
57
mm
2.2441
in
T - Bearing Width
76.000
mm
2.9921
in
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius
1
4
mm
0.16
in
r - Cup Backface "To Clear" Radius
2
3
mm
0.12
in
da - Cone Frontface Backing Diameter
318
mm
12.52
in
db - Cone Backface Backing Diameter
324
mm
12.76
in
Da - Cup Frontface Backing Diameter
405.5
mm
15.96
in
Db - Cup Backface Backing Diameter
393
mm
15.47
in
Ab - Cage-Cone Frontface Clearance
6.1
mm
0.24
in
Aa - Cage-Cone Backface Clearance
7.9
mm
0.31
in
a - Effective Center Location
3
4.3
mm
0.17
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
306000
N
68700
lbf
C1 - Dynamic Radial Rating (1 million revolutions)
2
1180000
N
265000
lbf
C0 - Static Radial Rating
2430000
N
547000
lbf
C
a90
- Dynamic Thrust Rating (90 million revolutions)
3
207000
N
464000
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
1.48
e - ISO Factor
2
0.39
Y - ISO Factor
3
1.52
G1 - Heat Generation Factor (Roller-Raceway)
2228.2
G2 - Heat Generation Factor (Rib-Roller End)
250.1
Cg - Geometry Factor
4
0.179
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
