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Part Number 32219, 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

32219M

Cone Part Number

X32219M

Cup Part Number

Y32219M

Design Unit

Metric

Cage Material

Stamped Steel

Related Assembly Number(s)

32219-9X208
32219-9X245


Dimensions

d - Bore

95 mm
3.7402
in

D - Cup Outer Diameter

170 mm
6.6929
in

B - Cone Width

43 mm
1.6929
in

C - Cup Width

37.000 mm
1.4567
in

T - Bearing Width

45.500 mm
1.7913
in


Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1

3.050 mm
0.12
in

r - Cup Backface "To Clear" Radius2

2.54 mm
0.1
in

da - Cone Frontface Backing Diameter

106 mm
4.17
in

db - Cone Backface Backing Diameter

111 mm
4.37
in

Da - Cup Frontface Backing Diameter

161.54 mm
6.36
in

Db - Cup Backface Backing Diameter

151.89 mm
5.98
in

Ab - Cage-Cone Frontface Clearance

3.8 mm
0.15
in

Aa - Cage-Cone Backface Clearance

4.1 mm
0.16
in

a - Effective Center Location3

-6.3 mm
-0.25
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

97200 N
21800
lbf

C1 - Dynamic Radial Rating (1 million revolutions)2

375000 N
84300
lbf

C0 - Static Radial Rating

401000 N
90100
lbf

Ca90 - Dynamic Thrust Rating (90 million revolutions)3

69900 N
15700
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

1.39

e - ISO Factor2

0.42

Y - ISO Factor3

1.43

G1 - Heat Generation Factor (Roller-Raceway)

165.5

G2 - Heat Generation Factor (Rib-Roller End)

35.3

Cg - Geometry Factor4

0.0926
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