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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 32064X  
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Part Number 32064X, 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
32064XM

Cone Part Number
X32064XM

Cup Part Number
Y32064XM

Design Unit
Metric

Cage Material
Stamped Steel

Related Assembly Number(s)
32064XM-90KM1


Dimensions

d - Bore
320.000 mm
12.5984 in

D - Cup Outer Diameter
480 mm
18.8976 in

B - Cone Width
100 mm
3.937 in

C - Cup Width
74 mm
2.9134 in

T - Bearing Width
100.000 mm
3.9370 in


Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1
5.080 mm
0.200 in

r - Cup Backface "To Clear" Radius2
4.06 mm
0.16 in

da - Cone Frontface Backing Diameter
343 mm
13.5 in

db - Cone Backface Backing Diameter
357 mm
14.06 in

Da - Cup Frontface Backing Diameter
461.30 mm
18.16 in

Db - Cup Backface Backing Diameter
441.96 mm
17.40 in

Ab - Cage-Cone Frontface Clearance
6.9 mm
0.27 in

Aa - Cage-Cone Backface Clearance
11.9 mm
0.47 in

a - Effective Center Location3
4.3 mm
0.17 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
468000 N
105000 lbf

C1 - Dynamic Radial Rating (1 million revolutions)2
1800000 N
406000 lbf

C0 - Static Radial Rating
3420000 N
768000 lbf

Ca90 - Dynamic Thrust Rating (90 million revolutions)3
367000 N
82600 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
1.27

e - ISO Factor2
0.46

Y - ISO Factor3
1.31

G1 - Heat Generation Factor (Roller-Raceway)
2667.3

G2 - Heat Generation Factor (Rib-Roller End)
201.4

Cg - Geometry Factor4
0.2
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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