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All Product Types > ENGINEERED BEARINGS > Tapered Roller Bearings > Tapered Roller Bearings - TS (Tapered Single) > Tapered Roller Bearings - TS (Tapered Single) Metric > Part Number JL286949H - JL286910  
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Part Number JL286949H - JL286910, Tapered Roller Bearings - TS (Tapered Single) Metric


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.



Unit of Measure: Imperial Metric Both

Specifications  · Dimensions  · Abutment and Fillet Dimensions  · Basic Load Ratings  · Factors

Specifications

Series
L286900

Cone Part Number
JL286949H

Cup Part Number
JL286910

Design Unit
Metric

Cage Material
Stamped Steel

Related Assembly Number(s)
JL286949H-90KA3


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" Radius1
3.300 mm
0.13 in

r - Cup Backface "To Clear" Radius2
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
11.4 mm
0.45 in

Aa - Cage-Cone Backface Clearance
1 mm
0.04 in

a - Effective Center Location3
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
691000 N
155000 lbf

C1 - Dynamic Radial Rating (1 million revolutions)2
2660000 N
599000 lbf

C0 - Static Radial Rating
8460000 N
1900000 lbf

Ca90 - Dynamic Thrust Rating (90 million revolutions)3
393000 N
88400 lbf
1 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values.
2 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
3 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values for a single-row, C90(2) is the two-row radial value.


Factors

K - Factor1
1.76

e - ISO Factor2
0.33

Y - ISO Factor3
1.8

G1 - Heat Generation Factor (Roller-Raceway)
27827.6

G2 - Heat Generation Factor (Rib-Roller End)
4055.4

Cg - Geometry Factor4
0.381
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.



 DOWNLOADS 

Tapered Roller Bearing Engineering Information
(PDF, 663KB)

Bearing Life Calculation Tool

Bearing Dimensional Tolerances


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