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Part Number X30310 - Y30310
Part Number X30310 - Y30310, 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
30310
Cone Part Number
X30310
Cup Part Number
Y30310
Design Unit
Metric
Cage Material
Stamped Steel
Related Assembly Number(s)
30310-90KA1
Dimensions
d - Bore
50
mm
1.9685
in
D - Cup Outer Diameter
110
mm
4.3307
in
B - Cone Width
27.000
mm
1.0630
in
C - Cup Width
23.000
mm
0.9055
in
T - Bearing Width
29.250
mm
1.1516
in
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius
1
2.540
mm
0.1
in
r - Cup Backface "To Clear" Radius
2
2.03
mm
0.08
in
da - Cone Frontface Backing Diameter
58
mm
2.28
in
db - Cone Backface Backing Diameter
62
mm
2.44
in
Da - Cup Frontface Backing Diameter
103.89
mm
4.09
in
Db - Cup Backface Backing Diameter
98.04
mm
3.86
in
Ab - Cage-Cone Frontface Clearance
3.8
mm
0.15
in
Aa - Cage-Cone Backface Clearance
1.3
mm
0.05
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
36800
N
8270
lbf
C1 - Dynamic Radial Rating (1 million revolutions)
2
142000
N
31900
lbf
C0 - Static Radial Rating
150000
N
33800
lbf
C
a90
- Dynamic Thrust Rating (90 million revolutions)
3
21700
N
4890
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
1.69
e - ISO Factor
2
0.35
Y - ISO Factor
3
1.74
G1 - Heat Generation Factor (Roller-Raceway)
48.7
G2 - Heat Generation Factor (Rib-Roller End)
16.7
Cg - Geometry Factor
4
0.0892
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
