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All Product Types > ENGINEERED BEARINGS > Tapered Roller Bearings > Tapered Roller Bearings - TS (Tapered Single) > Tapered Roller Bearings - TS (Tapered Single) Imperial > Part Number M432144 - M432111  
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Part Number M432144 - M432111, Tapered Roller Bearings - TS (Tapered Single) Imperial



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

M432100

Cone Part Number

M432144

Cup Part Number

M432111

Design Unit

Inch

Cage Material

Stamped Steel


Dimensions

d - Bore

5.9050 in
149.987
mm

D - Cup Outer Diameter

8.8125 in
223.838
mm

B - Cone Width

1.875 in
47.625
mm

C - Cup Width

1.4375 in
36.513
mm

T - Bearing Width

1.8125 in
46.038
mm


Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1

0.13 in
3.300
mm

r - Cup Backface "To Clear" Radius2

0.130 in
3.30
mm

da - Cone Frontface Backing Diameter

6.46 in
164
mm

db - Cone Backface Backing Diameter

6.57 in
167
mm

Da - Cup Frontface Backing Diameter

8.50 in
215.90
mm

Db - Cup Backface Backing Diameter

8.15 in
207.01
mm

Ab - Cage-Cone Frontface Clearance

0.07 in
1.8
mm

Aa - Cage-Cone Backface Clearance

0.14 in
3.6
mm

a - Effective Center Location3

-0.1 in
-2.5
mm
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

20000 lbf
88900
N

C1 - Dynamic Radial Rating (1 million revolutions)2

77100 lbf
343000
N

C0 - Static Radial Rating

143000 lbf
636000
N

Ca90 - Dynamic Thrust Rating (90 million revolutions)3

12500 lbf
55500
N
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

1.6

e - ISO Factor2

0.36

Y - ISO Factor3

1.65

G1 - Heat Generation Factor (Roller-Raceway)

473.4

G2 - Heat Generation Factor (Rib-Roller End)

107.5

Cg - Geometry Factor4

0.133
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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