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All Product Types > ENGINEERED BEARINGS > Tapered Roller Bearings > Tapered Roller Bearings - TSL (DUO-FACE® Plus Seal) Imperial > Part Number L44643 - L44610 (L44600LA)  
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Part Number L44643 - L44610 (L44600LA), 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
L44600

Cone Part Number
L44643

Cup Part Number
L44610

Seal Part Number
L44600LA

Design Unit
Inch

Cage Material
Stamped Steel


Dimensions

d - Bore
1.0000 in
25.400 mm

D - Cup Outer Diameter
1.9800 in
50.292 mm

B - Cone Width
0.5800 in
14.732 mm

C - Cup Width
0.4200 in
10.668 mm

T - Bearing Width
0.5600 in
14.224 mm

T1 - Total Width
0.635 in
16.13 mm


Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1
0.050 in
1.270 mm

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

da - Cone Frontface Backing Diameter
1.18 in
30 mm

db - Cone Backface Backing Diameter
1.26 in
32 mm

Da - Cup Frontface Backing Diameter
1.87 in
47.50 mm

Db - Cup Backface Backing Diameter
1.75 in
44.45 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 Location3
-0.13 in
-3.3 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
2080 lbf
9230 N

C1 - Dynamic Radial Rating (1 million revolutions)2
8010 lbf
35600 N

C0 - Static Radial Rating
7400 lbf
32900 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)3
1330 lbf
5910 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
1.56

e - ISO Factor2
0.37

Y - ISO Factor3
1.6

Y1 - ISO Factor4
1.8

Y2 - ISO Factor5
2.69

G1 - Heat Generation Factor (Roller-Raceway)
8.9

G2 - Heat Generation Factor (Rib-Roller End)
8.93

Cg - Geometry Factor6
0.0526
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.


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 DOWNLOADS 

Tapered Roller Bearing Engineering Information
(PDF, 663KB)

Bearing Life Calculation Tool

Bearing Dimensional Tolerances



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