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 90381 - 90744 (Y2S-90744)  

Part Number 90381 - 90744 (Y2S-90744), 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
90381

Cup Part Number
90744

Related Assembly Number(s)
90381-90017
90381-90020
90381-90026

Outer Spacer Part Number
Y2S-90744

Design Unit
Inch


Dimensions

d - Bore
3.8125 in
96.838 mm

D - Cup Outer Diameter
7.4375 in
188.913 mm

T - Width
4 in
101.6 mm

B - Width
3.625 in
92.076 mm


Abutment and Fillet Dimensions

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

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

db - Cone Backface Backing Diameter
4.92 in
125 mm

Da - Cup Frontface Backing Diameter
7.09 in
180.09 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
22300 lbf
99300 N

C1 - Dynamic Radial Rating (1 million revolutions)2
150000 lbf
667000 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)3
33100 lbf
147000 N

C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)4
38900 lbf
173000 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
0.67

e - ISO Factor2
0.87

Y1 - ISO Factor3
0.78

Y2 - ISO Factor4
1.16
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



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