All Product Types > ENGINEERED BEARINGS > Tapered Roller Bearings > Tapered Roller Bearings - Single Cones > Tapered Roller Bearings - Single Cones - Metric > Part Number JP10049A  

Part Number JP10049A, Tapered Roller Bearings - Single Cones - 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.




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

Specifications

Series
JP10000

Cone Part Number
JP10049A

Design Units
METRIC

Cage Type
Stamped Steel

C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1
259000 N
58200 lbf

C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2
67100 N
15100 lbf

Full Timken Part Number
JP10000
1 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
2 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.


Dimensions

d - Cone Bore
100 mm
3.937 in

B - Cone Width
22.500 mm
0.8858 in


Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1
5.080 mm
0.200 in

da - Cone Frontface Backing Diameter
106 mm
4.17 in

db - Cone Backface Backing Diameter
116 mm
4.57 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 Location2
6.1 mm
0.24 in
1 These maximum fillet radii will be cleared by the bearing corners.
2 Negative value indicates effective center inside cone backface.


Basic Load Ratings

C90 - Dynamic Radial Rating (90 million revolutions)1
38600 N
8670 lbf

C1 - Dynamic Radial Rating (1 million revolutions)2
149000 N
33400 lbf

C0 - Static Radial Rating
172000 N
38700 lbf

Ca90 - Dynamic Thrust Rating (90 million revolutions)3
31200 N
7020 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
1.24

G1 - Heat Generation Factor (Roller-Raceway)
104

G2 - Heat Generation Factor (Rib-Roller End)
40.9

Cg - Geometry Factor2
0.126
1 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
2 Geometry constant for Lubrication Life Adjustment Factor a3l.



 DOWNLOADS 

Tapered Roller Bearing Engineering Information
(PDF, 663KB)

Bearing Life Calculation Tool

Bearing Dimensional Tolerances