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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 JP24049 - JP24010  
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Part Number JP24049 - JP24010, 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
JP24000

Cone Part Number
JP24049

Cup Part Number
JP24010

Design Unit
Metric

Cage Material
Stamped Steel

Related Assembly Number(s)
JP24049-90KA4
JP24049-90KA5


Dimensions

d - Bore
240 mm
9.4488 in

D - Cup Outer Diameter
320 mm
12.5984 in

B - Cone Width
39 mm
1.5354 in

C - Cup Width
30.000 mm
1.1811 in

T - Bearing Width
42.000 mm
1.6535 in


Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1
3.050 mm
0.12 in

r - Cup Backface "To Clear" Radius2
3.05 mm
0.12 in

da - Cone Frontface Backing Diameter
252 mm
9.92 in

db - Cone Backface Backing Diameter
257 mm
10.12 in

Da - Cup Frontface Backing Diameter
310.90 mm
12.24 in

Db - Cup Backface Backing Diameter
304.04 mm
11.97 in

Ab - Cage-Cone Frontface Clearance
5.8 mm
0.23 in

Aa - Cage-Cone Backface Clearance
3.3 mm
0.13 in

a - Effective Center Location3
19.6 mm
0.77 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
114000 N
25700 lbf

C1 - Dynamic Radial Rating (1 million revolutions)2
440000 N
99000 lbf

C0 - Static Radial Rating
808000 N
182000 lbf

Ca90 - Dynamic Thrust Rating (90 million revolutions)3
89300 N
20100 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
1.28

e - ISO Factor2
0.46

Y - ISO Factor3
1.31

G1 - Heat Generation Factor (Roller-Raceway)
804

G2 - Heat Generation Factor (Rib-Roller End)
198.2

Cg - Geometry Factor4
0.133
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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