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Part Number 33109
Part Number 33109, 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
33109
Cone Part Number
X33109
Cup Part Number
Y33109
Design Unit
Metric
Cage Material
Stamped Steel
Related Assembly Number(s)
33109-90KA1
33109-90KA2
33109-90NA3
Dimensions
d - Bore
45
mm
1.7717
in
D - Cup Outer Diameter
80
mm
3.1496
in
B - Cone Width
26.000
mm
1.0236
in
C - Cup Width
20.500
mm
0.8071
in
T - Bearing Width
26.000
mm
1.0236
in
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius
1
1.520
mm
0.06
in
r - Cup Backface "To Clear" Radius
2
1.52
mm
0.06
in
da - Cone Frontface Backing Diameter
52
mm
2.05
in
db - Cone Backface Backing Diameter
55
mm
2.17
in
Da - Cup Frontface Backing Diameter
76.96
mm
3.03
in
Db - Cup Backface Backing Diameter
71.12
mm
2.8
in
Ab - Cage-Cone Frontface Clearance
2.3
mm
0.09
in
Aa - Cage-Cone Backface Clearance
1.5
mm
0.06
in
a - Effective Center Location
3
-6.6
mm
-0.26
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
29200
N
6570
lbf
C1 - Dynamic Radial Rating (1 million revolutions)
2
113000
N
25300
lbf
C0 - Static Radial Rating
119000
N
26800
lbf
C
a90
- Dynamic Thrust Rating (90 million revolutions)
3
19200
N
4310
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
1.52
e - ISO Factor
2
0.38
Y - ISO Factor
3
1.57
G1 - Heat Generation Factor (Roller-Raceway)
35.7
G2 - Heat Generation Factor (Rib-Roller End)
16.5
Cg - Geometry Factor
4
0.0843
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
