Montage of Timken Bearing Products 
Search Catalog
        
 All Product Types    Tapered Roller Bearings - TNA (Tapered Double, non-adjustable) Imperial
View Cart View RFQs Express Ordering  | Shipping 
 | Tax 
 | Terms
 Shopping Cart 0 Items
 Request for Quote 0 Items
All Product Types > ENGINEERED BEARINGS > Tapered Roller Bearings > Tapered Roller Bearings - TNA (Tapered Double, non-adjustable) Imperial > Part Number NA43131 - 43319D  
Download PDF Download PDF     Printable Page     Email Email This Page     Save To Favorites Save To Favorites
Add To Cart Request Quote

Part Number NA43131 - 43319D, 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
NA43131

Cup Part Number
43319D

Design Unit
Inch


Dimensions

d - Bore
1.3125 in
33.338 mm

D - Cup Outer Diameter
3.1875 in
80.963 mm

T - Bearing Width across Cones
2.1875 in
55.562 mm

C - Double Cup Width
1.5625 in
39.688 mm


Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1
0.09 in
2.300 mm

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

db - Cone Backface Backing Diameter
1.91 in
48.5 mm

Da - Cup Frontface Backing Diameter
2.94 in
73.91 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
4520 lbf
20100 N

C1 - Dynamic Radial Rating (1 million revolutions)2
30400 lbf
135000 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)3
5170 lbf
23000 N

C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)4
7880 lbf
35000 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
0.87

e - ISO Factor2
0.67

Y1 - ISO Factor3
1.01

Y2 - ISO Factor4
1.5
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 

·  timken-TNA-cutaway-angle-view

·  timken-TNA-left-angle-view

·  Timken TRB TNA



 DOWNLOADS 

Bearing Life Calculation Tool

Bearing Dimensional Tolerances

Tools and Guides for Engineers



 NEW PRODUCT OFFERING 


TimkenWirelessSensor
Timken® Wireless Sensor and Monitoring Solution

timken-2TS-DM-24-OD-pin-cage-top-angle-view
Tapered Roller Bearings - 2TS (Matched Bearing Assembly)

Add To Cart Request Quote
<