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Part Number 32016X, Tapered Roller Bearings - TS (Tapered Single) 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

32016XM

Cone Part Number

X32016XM

Cup Part Number

Y32016XM

Design Unit

Metric

Cage Material

Stamped Steel

Related Assembly Number(s)

32016X-9X026
32016X-9X245


Dimensions

d - Bore

80 mm
3.1496
in

D - Cup Outer Diameter

125 mm
4.9213
in

B - Cone Width

29.000 mm
1.1417
in

C - Cup Width

22.000 mm
0.8661
in

T - Bearing Width

29.000 mm
1.1417
in


Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1

1.520 mm
0.06
in

r - Cup Backface "To Clear" Radius2

1.52 mm
0.06
in

da - Cone Frontface Backing Diameter

87 mm
3.43
in

db - Cone Backface Backing Diameter

91 mm
3.58
in

Da - Cup Frontface Backing Diameter

119.90 mm
4.75
in

Db - Cup Backface Backing Diameter

114.05 mm
4.49
in

Ab - Cage-Cone Frontface Clearance

3 mm
0.12
in

Aa - Cage-Cone Backface Clearance

2.3 mm
0.09
in

a - Effective Center Location3

-1.8 mm
-0.07
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

51000 N
11500
lbf

C1 - Dynamic Radial Rating (1 million revolutions)2

197000 N
44200
lbf

C0 - Static Radial Rating

238000 N
53600
lbf

Ca90 - Dynamic Thrust Rating (90 million revolutions)3

36900 N
8300
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

1.38

e - ISO Factor2

0.42

Y - ISO Factor3

1.42

G1 - Heat Generation Factor (Roller-Raceway)

104

G2 - Heat Generation Factor (Rib-Roller End)

36.3

Cg - Geometry Factor4

0.111
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