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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 HM743345 - HM743310 (HM743310EB)  
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Part Number HM743345 - HM743310 (HM743310EB), Tapered Roller Bearings - 2TS-DM (Matched Bearing Assembly, Direct Mount)


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



Unit of Measure: Imperial Metric Both

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

Specifications

Cone Part Number
HM743345

Cup Part Number
HM743310

Related Assembly Number(s)
HM743345-90023

Outer Spacer Part Number
HM743310EB

Design Unit
Inch


Dimensions

d - Bore
8.2500 in
209.550 mm

D - Cup Outer Diameter
13.1250 in
333.375 mm

T - Width
5.5000 in
139.700 mm

B - Width
5.5000 in
139.700 mm


Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1
0.06 in
1.5 mm

r - Cup Backface "To Clear" Radius2
0.250 in
6.35 mm

db - Cone Backface Backing Diameter
9.37 in
238 mm

Da - Cup Frontface Backing Diameter
12.51 in
317.00 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
53400 lbf
238000 N

C1 - Dynamic Radial Rating (1 million revolutions)2
359000 lbf
1600000 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)3
40200 lbf
179000 N

C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)4
93000 lbf
414000 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
1.33

e - ISO Factor2
0.44

Y1 - ISO Factor3
1.54

Y2 - ISO Factor4
2.29
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-DM-24-OD-pin-cage-cutaway-angle-view

·  timken-2TS-DM-24-OD-pin-cage-left-angle-view

·  Timken TRB 2TS-DM



 DOWNLOADS 

Bearing Life Calculation Tool

Bearing Dimensional Tolerances

Tools and Guides for Engineers


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