All Product Types > ENGINEERED BEARINGS > Tapered Roller Bearings > Tapered Roller Bearings - TS (Tapered Single) > Tapered Roller Bearings - TS (Tapered Single) Metric > Part Number X32052X - Y32052X  

Part Number X32052X - Y32052X, 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

32052X

Cone Part Number

X32052X

Cup Part Number

Y32052X

Design Unit

Metric

Cage Material

Stamped Steel

Related Assembly Number(s)

32052X-90KA1
32052X-90KA2


Dimensions

d - Bore

260 mm
10.2362
in

D - Cup Outer Diameter

400 mm
15.748
in

B - Cone Width

87 mm
3.4252
in

C - Cup Width

65 mm
2.5591
in

T - Bearing Width

87.000 mm
3.4252
in


Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1

5 mm
0.200
in

r - Cup Backface "To Clear" Radius2

4 mm
0.16
in

da - Cone Frontface Backing Diameter

284 mm
11.18
in

db - Cone Backface Backing Diameter

293 mm
11.54
in

Da - Cup Frontface Backing Diameter

382.5 mm
15.06
in

Db - Cup Backface Backing Diameter

367 mm
14.45
in

Ab - Cage-Cone Frontface Clearance

5.3 mm
0.21
in

Aa - Cage-Cone Backface Clearance

9.9 mm
0.39
in

a - Effective Center Location3

-1.5 mm
-0.06
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

394000 N
88500
lbf

C1 - Dynamic Radial Rating (1 million revolutions)2

1520000 N
341000
lbf

C0 - Static Radial Rating

2440000 N
548000
lbf

Ca90 - Dynamic Thrust Rating (90 million revolutions)3

293000 N
65900
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

0.43

Y - ISO Factor3

1.38

G1 - Heat Generation Factor (Roller-Raceway)

1752.5

G2 - Heat Generation Factor (Rib-Roller End)

154

Cg - Geometry Factor4

0.1711
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