All Product Types > ENGINEERED BEARINGS > Tapered Roller Bearings > Tapered Roller Bearings - 2TS (Matched Bearing Assembly) > Tapered Roller Bearings - 2TS-IM (Matched Bearing Assembly, Indirect Mount) > Part Number EE291250 - 291750 (X1S-291250 - Y7S-291750)  

Part Number EE291250 - 291750 (X1S-291250 - Y7S-291750), Tapered Roller Bearings - 2TS-IM (Matched Bearing Assembly, Indirect Mount)

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Tapered Roller Bearings - 2TS-IM (Matched Bearing Assembly, Indirect Mount)




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

Specifications

Cone Part Number
EE291250

Cup Part Number
291750

Inner Spacer Part Number
X1S-291250

Outer Spacer Part Number
Y7S-291750

Design Unit
Inch


Dimensions

d - Bore
12.5000 in
317.500 mm

D - Cup Outer Diameter
17.5 in
444.5 mm

T - Width
5.75 in
146.05 mm

C - Width
3.875 in
98.425 mm


Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1
0.310 in
7.900 mm

r - Cup Backface "To Clear" Radius2
0.06 in
1.5 mm

db - Cone Backface Backing Diameter
13.62 in
346 mm

Da - Cup Frontface Backing Diameter
16.63 in
422.40 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
51700 lbf
230000 N

C1 - Dynamic Radial Rating (1 million revolutions)2
347000 lbf
1540000 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)3
33400 lbf
149000 N

C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)4
90000 lbf
400000 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
1.55

e - ISO Factor2
0.38

Y1 - ISO Factor3
1.79

Y2 - ISO Factor4
2.66
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-IM-4-8OD-cutaway-angle-view

·  timken-2TS-IM-4-8OD-left-angle-view

·  Timken TRB 2TS-IM



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