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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 J450590 - J451161  
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Part Number J450590 - J451161, 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
450000

Cone Part Number
J450590

Cup Part Number
J451161

Design Unit
Metric

Cage Material
Stamped Steel


Dimensions

d - Bore
150 mm
5.9055 in

D - Cup Outer Diameter
295 mm
11.6142 in

B - Cone Width
80 mm
3.1496 in

C - Cup Width
61.912 mm
2.4375 in

T - Bearing Width
80.000 mm
3.1496 in


Abutment and Fillet Dimensions

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

r - Cup Backface "To Clear" Radius2
5.08 mm
0.2 in

da - Cone Frontface Backing Diameter
175 mm
6.89 in

db - Cone Backface Backing Diameter
179 mm
7.05 in

Da - Cup Frontface Backing Diameter
275.10 mm
10.87 in

Db - Cup Backface Backing Diameter
267.97 mm
10.55 in

Ab - Cage-Cone Frontface Clearance
3 mm
0.12 in

Aa - Cage-Cone Backface Clearance
8.4 mm
0.33 in

a - Effective Center Location3
-19.3 mm
-0.76 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
258000 N
57900 lbf

C1 - Dynamic Radial Rating (1 million revolutions)2
994000 N
224000 lbf

C0 - Static Radial Rating
1480000 N
333000 lbf

Ca90 - Dynamic Thrust Rating (90 million revolutions)3
144000 N
32400 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
1.79

e - ISO Factor2
0.33

Y - ISO Factor3
1.84

G1 - Heat Generation Factor (Roller-Raceway)
747.4

G2 - Heat Generation Factor (Rib-Roller End)
76.3

Cg - Geometry Factor4
0.118
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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