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All Product Types > ENGINEERED BEARINGS > Tapered Roller Bearings > Tapered Roller Bearings - TNA (Tapered Double, non-adjustable) Imperial > Part Number L163149NW - L163110CD  
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Part Number L163149NW - L163110CD, Tapered Roller Bearings - TNA (Tapered Double, non-adjustable) Imperial






Unit of Measure: Imperial Metric Both

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

Specifications

Cone Part Number
L163149NW

Cup Part Number
L163110CD

Design Unit
Inch


Dimensions

d - Bore
14 in
355.6 mm

D - Cup Outer Diameter
17.5 in
444.5 mm

T - Bearing Width across Cones
5.375 in
136.525 mm

C - Double Cup Width
4.375 in
111.125 mm


Abutment and Fillet Dimensions

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

r - Cup Backface "To Clear" Radius2
0.06 in
1.5 mm

db - Cone Backface Backing Diameter
14.72 in
374 mm

Da - Cup Frontface Backing Diameter
17.04 in
430.02 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.


Basic Load Ratings

C90 - Dynamic Radial Rating (90 million revolutions)1
42700 lbf
190000 N

C1 - Dynamic Radial Rating (1 million revolutions)2
287000 lbf
1280000 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)3
22500 lbf
100000 N

C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)4
74400 lbf
331000 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.
4 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
1.90

e - ISO Factor2
0.31

Y1 - ISO Factor3
2.2

Y2 - ISO Factor4
3.27
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.


 MORE IMAGES 

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·  timken-TNASW-cutaway-angle-view

·  Timken TRB TNASW



 DOWNLOADS 

Bearing Life Calculation Tool

Bearing Dimensional Tolerances

Tools and Guides for Engineers


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