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Timken Part Number LM67048 - LM67010, 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

LM67000

Cone Part Number

LM67048

Cup Part Number

LM67010

Design Units

Imperial

Bearing Weight

0.200 Kg
0.4
lb

Cage Type

Stamped Steel


Dimensions

d - Bore

31.750 mm
1.2500
in

D - Cup Outer Diameter

59.131 mm
2.3280
in

B - Cone Width

16.764 mm
0.6600
in

C - Cup Width

11.811 mm
0.4650
in

T - Bearing Width

15.875 mm
0.6250
in


Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1

3.560 mm
0.14
in

r - Cup Backface "To Clear" Radius2

1.27 mm
0.050
in

da - Cone Frontface Backing Diameter

36.07 mm
1.42
in

db - Cone Backface Backing Diameter

42.42 mm
1.67
in

Da - Cup Frontface Backing Diameter

55.90 mm
2.24
in

Db - Cup Backface Backing Diameter

52.07 mm
2.05
in

Ab - Cage-Cone Frontface Clearance

1.3 mm
0.05
in

Aa - Cage-Cone Backface Clearance

0.3 mm
0.01
in

a - Effective Center Location3

-3 mm
-0.12
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

12100 N
2720
lbf

C1 - Dynamic Radial Rating (1 million revolutions)2

46700 N
10500
lbf

C0 - Static Radial Rating

44600 N
10000
lbf

Ca90 - Dynamic Thrust Rating (90 million revolutions)3

8550 N
1920
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

1.42

e - ISO Factor2

0.41

Y - ISO Factor3

1.46

G1 - Heat Generation Factor (Roller-Raceway)

12.8

G2 - Heat Generation Factor (Rib-Roller End)

9.93

Cg - Geometry Factor

0.0612
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.



 DOWNLOADS 

Tapered Roller Bearing Engineering Information
(PDF, 663KB)

Bearing Life Calculation Tool

Bearing Dimensional Tolerances

Tools and Guides for Engineers


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