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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 JM612949 - JM612910 (M612949XA)  
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Part Number JM612949 - JM612910 (M612949XA), 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
JM612949

Cup Part Number
JM612910

Inner Spacer Part Number
M612949XA

Outer Spacer Part Number
M612910ES

Design Unit
Metric


Dimensions

d - Bore
2.7559 in
70 mm

D - Cup Outer Diameter
4.5276 in
115 mm

T - Width
2.5002 in
63.505 mm

C - Width
2.0278 in
51.507 mm


Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1
0.12 in
3.050 mm

r - Cup Backface "To Clear" Radius2
0.030 in
0.6 mm

db - Cone Backface Backing Diameter
3.27 in
83 mm

Da - Cup Frontface Backing Diameter
4.35 in
110.00 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
10400 lbf
46100 N

C1 - Dynamic Radial Rating (1 million revolutions)2
69600 lbf
310000 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)3
7630 lbf
33900 N

C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)4
18000 lbf
80300 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
1.36

e - ISO Factor2
0.43

Y1 - ISO Factor3
1.57

Y2 - ISO Factor4
2.34
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 

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Bearing Dimensional Tolerances

Tools and Guides for Engineers


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