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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 655 - 653 (Y1S-653)  
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Part Number 655 - 653 (Y1S-653), 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
655

Cup Part Number
653

Related Assembly Number(s)
655-90128

Outer Spacer Part Number
Y1S-653

Design Unit
Inch


Dimensions

d - Bore
2 3/4 in
69.850 mm

D - Cup Outer Diameter
5.7500 in
146.050 mm

T - Width
3.25 in
82.55 mm

B - Width
3.25 in
82.55 mm


Abutment and Fillet Dimensions

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

r - Cup Backface "To Clear" Radius2
0.130 in
3.30 mm

db - Cone Backface Backing Diameter
3.46 in
88 mm

Da - Cup Frontface Backing Diameter
5.51 in
139.95 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
14400 lbf
64000 N

C1 - Dynamic Radial Rating (1 million revolutions)2
96700 lbf
430000 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)3
10100 lbf
44800 N

C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)4
25100 lbf
112000 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
1.43

e - ISO Factor2
0.41

Y1 - ISO Factor3
1.65

Y2 - ISO Factor4
2.46
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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