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Part Number JL286949 - JL286910
Part Number JL286949 - JL286910, 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
L286900
Cone Part Number
JL286949
Cup Part Number
JL286910
Design Unit
Metric
Cage Material
Pin-Type
Related Assembly Number(s)
JL286949-90K02
Dimensions
d - Bore
930.000
mm
36.6142
in
D - Cup Outer Diameter
1060.000
mm
41.7323
in
B - Cone Width
90.000
mm
3.5433
in
C - Cup Width
76.000
mm
2.9921
in
T - Bearing Width
92.000
mm
3.6220
in
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius
1
3.300
mm
0.13
in
r - Cup Backface "To Clear" Radius
2
3.30
mm
0.130
in
da - Cone Frontface Backing Diameter
951
mm
37.44
in
db - Cone Backface Backing Diameter
954
mm
37.56
in
Da - Cup Frontface Backing Diameter
1047.24
mm
41.23
in
Db - Cup Backface Backing Diameter
1029.97
mm
40.55
in
Ab - Cage-Cone Frontface Clearance
9.4
mm
0.37
in
Aa - Cage-Cone Backface Clearance
1.8
mm
0.07
in
a - Effective Center Location
3
59.9
mm
2.36
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
740000
N
166000
lbf
C1 - Dynamic Radial Rating (1 million revolutions)
2
2850000
N
641000
lbf
C0 - Static Radial Rating
9330000
N
2100000
lbf
C
a90
- Dynamic Thrust Rating (90 million revolutions)
3
421000
N
94700
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
1.76
e - ISO Factor
2
0.33
Y - ISO Factor
3
1.8
G1 - Heat Generation Factor (Roller-Raceway)
29800
G2 - Heat Generation Factor (Rib-Roller End)
4331.9
Cg - Geometry Factor
4
0.39
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
