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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 32230  
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Part Number 32230, 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

32230M

Cone Part Number

X32230M

Cup Part Number

Y32230M

Design Unit

Metric

Cage Material

Stamped Steel

Related Assembly Number(s)

32230M-90KM1


Dimensions

d - Bore

150 mm
5.9055
in

D - Cup Outer Diameter

270 mm
10.6299
in

B - Cone Width

73.000 mm
2.8740
in

C - Cup Width

60.000 mm
2.3622
in

T - Bearing Width

77 mm
3.0315
in


Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1

4.060 mm
0.16
in

r - Cup Backface "To Clear" Radius2

3.05 mm
0.12
in

da - Cone Frontface Backing Diameter

170 mm
6.69
in

db - Cone Backface Backing Diameter

183 mm
7.2
in

Da - Cup Frontface Backing Diameter

255.00 mm
10.04
in

Db - Cup Backface Backing Diameter

244.09 mm
9.61
in

Ab - Cage-Cone Frontface Clearance

5.6 mm
0.22
in

Aa - Cage-Cone Backface Clearance

9.1 mm
0.36
in

a - Effective Center Location3

-11.7 mm
-0.46
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

221000 N
49600
lbf

C1 - Dynamic Radial Rating (1 million revolutions)2

851000 N
191000
lbf

C0 - Static Radial Rating

1230000 N
276000
lbf

Ca90 - Dynamic Thrust Rating (90 million revolutions)3

164000 N
36900
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

1.34

e - ISO Factor2

0.44

Y - ISO Factor3

1.38

G1 - Heat Generation Factor (Roller-Raceway)

579.4

G2 - Heat Generation Factor (Rib-Roller End)

64.2

Cg - Geometry Factor4

0.119
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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