All Product Types > ENGINEERED BEARINGS > Tapered Roller Bearings > Tapered Roller Bearings - Single Cones > Tapered Roller Bearings - Single Cones - Imperial > Part Number LM67043  

Part Number LM67043, Tapered Roller Bearings - Single Cones - Imperial

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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
LM67000

Cone Part Number
LM67043

Design Units
Imperial

Cage Type
Stamped Steel

C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1
14300 lbf
63500 N

C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2
3700 lbf
16500 N
1 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
2 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.


Dimensions

d - Cone Bore
1 1/8 in
28.575 mm

B - Cone Width
0.6600 in
16.764 mm


Abutment and Fillet Dimensions

da - Cone Frontface Backing Diameter
1.38 in
35 mm

db - Cone Backface Backing Diameter
1.63 in
41.5 mm

Ab - Cage-Cone Frontface Clearance
0.05 in
1.3 mm

Aa - Cage-Cone Backface Clearance
0.02 in
0.5 mm

a - Effective Center Location1
-0.12 in
-3 mm
1 Negative value indicates effective center inside cone backface.


Basic Load Ratings

C90 - Dynamic Radial Rating (90 million revolutions)1
2130 lbf
9460 N

C1 - Dynamic Radial Rating (1 million revolutions)2
8210 lbf
36500 N

C0 - Static Radial Rating
10000 lbf
44600 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)3
1500 lbf
6680 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
1.42

Cg - Geometry Factor2
0.0612
1 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
2 Geometry constant for Lubrication Life Adjustment Factor a3l.



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Tapered Roller Bearing Engineering Information
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Bearing Life Calculation Tool

Bearing Dimensional Tolerances