All Product Types > ENGINEERED BEARINGS > Tapered Roller Bearings > Tapered Roller Bearings - 2TS (Matched Bearing Assembly) > Tapered Roller Bearings - 2TS-DM (Matched Bearing Assembly, Direct Mount) > Part Number JHM318448 - JHM318410 (HM318410EA)  

Part Number JHM318448 - JHM318410 (HM318410EA), Tapered Roller Bearings - 2TS-DM (Matched Bearing Assembly, Direct Mount)

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Tapered Roller Bearings - 2TS-DM (Matched Bearing Assembly, Direct Mount)




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

Specifications

Cone Part Number
JHM318448

Cup Part Number
JHM318410

Outer Spacer Part Number
HM318410EA

Design Unit
Metric


Dimensions

d - Bore
3.5433 in
90 mm

D - Cup Outer Diameter
6.1024 in
155 mm

T - Width
3.4646 in
88 mm

B - Width
3.4646 in
88.000 mm


Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1
0.02 in
0.50 mm

r - Cup Backface "To Clear" Radius2
0.1 in
2.54 mm

db - Cone Backface Backing Diameter
4.17 in
106 mm

Da - Cup Frontface Backing Diameter
5.87 in
149.10 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
22900 lbf
102000 N

C1 - Dynamic Radial Rating (1 million revolutions)2
153000 lbf
683000 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)3
13300 lbf
59400 N

C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)4
39800 lbf
177000 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
1.71

e - ISO Factor2
0.34

Y1 - ISO Factor3
1.98

Y2 - ISO Factor4
2.95
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.


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·  Timken TRB 2TS-DM



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