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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 LM67045 - LM67014X  
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Part Number LM67045 - LM67014X, 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
LM67045

Cup Part Number
LM67014X

Design Unit
Inch

Cage Material
Stamped Steel


Dimensions

d - Bore
1.2500 in
31.750 mm

D - Cup Outer Diameter
2.4404 in
61.986 mm

B - Cone Width
0.7283 in
18.499 mm

C - Cup Width
0.4650 in
11.811 mm

T - Bearing Width
0.6250 in
15.875 mm


Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1
0.080 in
2 mm

r - Cup Backface "To Clear" Radius2
0.050 in
1.27 mm

da - Cone Frontface Backing Diameter
1.42 in
36 mm

db - Cone Backface Backing Diameter
1.56 in
39.5 mm

Da - Cup Frontface Backing Diameter
2.26 in
57.40 mm

Db - Cup Backface Backing Diameter
2.13 in
54.10 mm

Ab - Cage-Cone Frontface Clearance
-0.01 in
-0.3 mm

Aa - Cage-Cone Backface Clearance
0.01 in
0.3 mm

a - Effective Center Location3
-0.12 in
-3 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
2720 lbf
12100 N

C1 - Dynamic Radial Rating (1 million revolutions)2
10500 lbf
46700 N

C0 - Static Radial Rating
10000 lbf
44600 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)3
1920 lbf
8550 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

e - ISO Factor2
0.41

Y - ISO Factor3
1.46

Cg - Geometry Factor4
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.
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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