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 (K168902 - K168901)  

Part Number LM12749 - LM12711 (K168902 - K168901), Tapered Roller Bearings - 2TS-IM (Matched Bearing Assembly, Indirect Mount)

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




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

Specifications

Cone Part Number
LM12749

Cup Part Number
LM12711

Inner Spacer Part Number
K168902

Outer Spacer Part Number
K168901

Design Unit
Inch


Dimensions

d - Bore
0.8656 in
21.986 mm

D - Cup Outer Diameter
1.8100 in
45.974 mm

T - Width
1.4367 in
36.492 mm

C - Width
1.1667 in
29.634 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



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