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All Product Types > ENGINEERED BEARINGS > Tapered Roller Bearings > Tapered Roller Bearings - 2TS (Matched Bearing Assembly) > Tapered Roller Bearings - SR (Matched Bearing Assembly, SET-RIGHT™) > Part Number JH307749 - JH307710 (H307749XS - H307710ES)  
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Part Number JH307749 - JH307710 (H307749XS - H307710ES), Tapered Roller Bearings - SR (Matched Bearing Assembly, SET-RIGHT™)


Tapered Roller Bearings - SR (Matched Bearing Assembly, SET-RIGHT™)



Unit of Measure: Imperial Metric Both

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

Specifications

Cone Part Number
JH307749

Cup Part Number
JH307710

Inner Spacer Part Number
H307749XS

Outer Spacer Part Number
H307710ES

Snap Ring Part Number
K518419R

Design Unit
Metric


Dimensions

d - Bore
55 mm
2.1654 in

D - Cup Outer Diameter
110 mm
4.3307 in

T - Width
86 mm
3.3858 in

C - Width
71.415 mm
2.8116 in


Abutment and Fillet Dimensions

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

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

db - Cone Backface Backing Diameter
71 mm
2.8 in

Da - Cup Frontface Backing Diameter
103.90 mm
4.11 in
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
64500 N
14500 lbf

C1 - Dynamic Radial Rating (1 million revolutions)2
433000 N
97400 lbf

Ca90 - Dynamic Thrust Rating (90 million revolutions)3
38300 N
8600 lbf

C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)4
112000 N
25300 lbf
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
1.69

e - ISO Factor2
0.35

Y1 - ISO Factor3
1.95

Y2 - ISO Factor4
2.9
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-IMSS-cutaway-angle-view

·  timken-2TS-IMSS-left-angle-view

·  Timken TRB SR



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Bearing Dimensional Tolerances

Tools and Guides for Engineers


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