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Part Number LM29748 - LM29710 (LM29700LA), Tapered Roller Bearings - TSL (DUO-FACE® Plus Seal) Imperial

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




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

Specifications

Series
LM29700

Cone Part Number
LM29748

Cup Part Number
LM29710

Seal Part Number
LM29700LA

Design Unit
Inch

Cage Material
Stamped Steel


Dimensions

d - Bore
1 1/2 in
38.1 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
3.560 mm

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

da - Cone Frontface Backing Diameter
1.67 in
42.5 mm

db - Cone Backface Backing Diameter
1.93 in
49 mm

Da - Cup Frontface Backing Diameter
2.46 in
62.00 mm

Db - Cup Backface Backing Diameter
2.32 in
58.93 mm

Ab - Cage-Cone Frontface Clearance
0.07 in
1.8 mm

Aa - Cage-Cone Backface Clearance
0.01 in
0.3 mm

a - Effective Center Location3
-0.16 in
-4.1 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
2830 lbf
12600 N

C1 - Dynamic Radial Rating (1 million revolutions)2
10900 lbf
48600 N

C0 - Static Radial Rating
13600 lbf
60300 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)3
1610 lbf
7170 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
1.76

e - ISO Factor2
0.33

Y - ISO Factor3
1.8

Y1 - ISO Factor4
2.03

Y2 - ISO Factor5
3.02

G1 - Heat Generation Factor (Roller-Raceway)
20.4

G2 - Heat Generation Factor (Rib-Roller End)
15

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 

·  timken-TSL-cutaway-angle-view

·  timken-TSL-left-angle-view

·  Timken TRB TSL



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Tapered Roller Bearing Engineering Information
(PDF, 663KB)

Bearing Life Calculation Tool

Bearing Dimensional Tolerances