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Tapered Roller Bearings - TS (Tapered Single) Imperial
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Tapered Roller Bearings
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Tapered Roller Bearings - TS (Tapered Single)
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Tapered Roller Bearings - TS (Tapered Single) Imperial
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Part Number 1997X - 1932
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Part Number 1997X - 1932, Tapered Roller Bearings - TS (Tapered Single) Imperial
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
Series
1900
Cone Part Number
1997X
Cup Part Number
1932
Design Unit
Inch
Cage Material
Stamped Steel
Dimensions
d - Bore
1.0625
in
26.988
mm
D - Cup Outer Diameter
2.3125
in
58.738
mm
B - Cone Width
0.7620
in
19.355
mm
C - Cup Width
0.5937
in
15.080
mm
T - Bearing Width
0.7501
in
19.053
mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius
1
0.13
in
3.300
mm
r - Cup Backface "To Clear" Radius
2
0.050
in
1.27
mm
da - Cone Frontface Backing Diameter
1.24
in
31.5
mm
db - Cone Backface Backing Diameter
1.48
in
37.5
mm
Da - Cup Frontface Backing Diameter
2.17
in
55.10
mm
Db - Cup Backface Backing Diameter
2.05
in
52.07
mm
Ab - Cage-Cone Frontface Clearance
0.08
in
2
mm
Aa - Cage-Cone Backface Clearance
0
in
0
mm
a - Effective Center Location
3
-0.23
in
-5.8
mm
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
2820
lbf
12500
N
C1 - Dynamic Radial Rating (1 million revolutions)
2
10900
lbf
48400
N
C0 - Static Radial Rating
11300
lbf
50200
N
C
a90
- Dynamic Thrust Rating (90 million revolutions)
3
1590
lbf
7080
N
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
1.77
e - ISO Factor
2
0.33
Y - ISO Factor
3
1.82
Cg - Geometry Factor
4
0.0565
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 Sectional View
·
2D Sales Drawing
DOWNLOADS
Tapered Roller Bearing Engineering Information
(PDF, 663KB)
Bearing Life Calculation Tool
Bearing Dimensional Tolerances
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