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All Product Types > ENGINEERED BEARINGS > Tapered Roller Bearings > Tapered Roller Bearings - TSL (DUO-FACE® Plus Seal) Imperial > Part Number LM48548 - LM48510 (LM48500LA)  
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Part Number LM48548 - LM48510 (LM48500LA), Tapered Roller Bearings - TSL (DUO-FACE® Plus Seal) Imperial


Tapered Roller Bearings - TSL (DUO-FACE® Plus Seal) Imperial



Unit of Measure: Imperial Metric Both

Specifications  · Dimensions  · Abutment and Fillet Dimensions  · Basic Load Ratings  · Factors

Specifications

Series
LM48500

Cone Part Number
LM48548

Cup Part Number
LM48510

Seal Part Number
LM48500LA

Design Unit
Inch

Cage Material
Stamped Steel


Dimensions

d - Bore
1.3750 in
34.925 mm

D - Cup Outer Diameter
2.5625 in
65.088 mm

B - Cone Width
0.7200 in
18.288 mm

C - Cup Width
0.5500 in
13.970 mm

T - Bearing Width
0.71 in
18.034 mm

T1 - Total Width
0.7850 in
19.940 mm


Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1
0.14 in
3.600 mm

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

da - Cone Frontface Backing Diameter
1.63 in
41.5 mm

db - Cone Backface Backing Diameter
1.89 in
48 mm

Da - Cup Frontface Backing Diameter
2.44 in
61.00 mm

Db - Cup Backface Backing Diameter
2.28 in
57.91 mm

Ab - Cage-Cone Frontface Clearance
0.08 in
2 mm

Aa - Cage-Cone Backface Clearance
0.01 in
0.3 mm

a - Effective Center Location3
-0.15 in
-3.8 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
3760 lbf
16700 N

C1 - Dynamic Radial Rating (1 million revolutions)2
14500 lbf
64600 N

C0 - Static Radial Rating
14200 lbf
63100 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)3
2430 lbf
10800 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
1.55

e - ISO Factor2
0.38

Y - ISO Factor3
1.59

Y1 - ISO Factor4
1.79

Y2 - ISO Factor5
2.67

Cg - Geometry Factor6
0.0666
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 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
5 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
6 Geometry constant for Lubrication Life Adjustment Factor a3l.


 MORE IMAGES 

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 DOWNLOADS 

Tapered Roller Bearing Engineering Information
(PDF, 663KB)

Bearing Life Calculation Tool

Bearing Dimensional Tolerances



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