Montage of Timken Bearing Products 
Search Catalog
        
 All Product Types    Tapered Roller Bearings - 2TS-IM (Matched Bearing Assembly, Indirect Mount)
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 - 2TS (Matched Bearing Assembly) > Tapered Roller Bearings - 2TS-IM (Matched Bearing Assembly, Indirect Mount) > Part Number LM12749 - LM12711 (K523966R)  
Download PDF Download PDF     Printable Page     Email Email This Page     Save To Favorites Save To Favorites
Add To Cart Request Quote

Part Number LM12749 - LM12711 (K523966R), Tapered Roller Bearings - 2TS-IM (Matched Bearing Assembly, Indirect Mount)


Tapered Roller Bearings - 2TS-IM (Matched Bearing Assembly, Indirect Mount)



Unit of Measure: Imperial Metric Both

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

Specifications

Cone Part Number
LM12749

Cup Part Number
LM12711

Inner Spacer Part Number
K523966R

Design Unit
Inch


Dimensions

d - Bore
0.8656 in
21.986 mm

D - Cup Outer Diameter
1.8100 in
45.974 mm

T - Width
1.3760 in
34.950 mm

C - Width
1.1060 in
28.092 mm


Abutment and Fillet Dimensions

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

r - Cup Backface "To Clear" Radius2
0.020 in
0.40 mm

db - Cone Backface Backing Diameter
1.08 in
27.5 mm

Da - Cup Frontface Backing Diameter
1.69 in
42.93 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
2250 lbf
10000 N

C1 - Dynamic Radial Rating (1 million revolutions)2
15100 lbf
67200 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)3
1180 lbf
5250 N

C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)4
3920 lbf
17400 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
1.91

e - ISO Factor2
0.31

Y1 - ISO Factor3
2.21

Y2 - ISO Factor4
3.28
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-2TS-IM-4-8OD-cutaway-angle-view

·  timken-2TS-IM-4-8OD-left-angle-view

·  Timken TRB 2TS-IM



 DOWNLOADS 

Bearing Life Calculation Tool

Bearing Dimensional Tolerances

Tools and Guides for Engineers


Add To Cart Request Quote
<