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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 JW8049 - JW8010  
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Part Number JW8049 - JW8010, 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
JW8000

Cone Part Number
JW8049

Cup Part Number
JW8010

Design Unit
Metric

Cage Material
Stamped Steel

Related Assembly Number(s)
JW8049-90K01
JW8049-90N98


Dimensions

d - Bore
80 mm
3.1496 in

D - Cup Outer Diameter
160 mm
6.2992 in

B - Cone Width
41 mm
1.6142 in

C - Cup Width
31.000 mm
1.2205 in

T - Bearing Width
45 mm
1.7717 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
93 mm
3.67 in

db - Cone Backface Backing Diameter
108 mm
4.25 in

Da - Cup Frontface Backing Diameter
151.90 mm
6.00 in

Db - Cup Backface Backing Diameter
134.11 mm
5.28 in

Ab - Cage-Cone Frontface Clearance
5.3 mm
0.21 in

Aa - Cage-Cone Backface Clearance
5.8 mm
0.23 in

a - Effective Center Location3
9.7 mm
0.38 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
81100 N
18200 lbf

C1 - Dynamic Radial Rating (1 million revolutions)2
313000 N
70300 lbf

C0 - Static Radial Rating
339000 N
76100 lbf

Ca90 - Dynamic Thrust Rating (90 million revolutions)3
120000 N
27000 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
0.67

e - ISO Factor2
0.87

Y - ISO Factor3
0.69

G1 - Heat Generation Factor (Roller-Raceway)
117

G2 - Heat Generation Factor (Rib-Roller End)
27.2

Cg - Geometry Factor4
0.109
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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