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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 8573 - 8520 (X4S-8573 - Y7S-8520)  
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Part Number 8573 - 8520 (X4S-8573 - Y7S-8520), Tapered Roller Bearings - 2TS-IM (Matched Bearing Assembly, Indirect Mount)


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



Unit of Measure: Imperial Metric Both

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

Specifications

Cone Part Number
8573

Cup Part Number
8520

Inner Spacer Part Number
X4S-8573

Outer Spacer Part Number
Y7S-8520

Design Unit
Inch


Dimensions

d - Bore
9 in
228.600 mm

D - Cup Outer Diameter
12.875 in
327.025 mm

T - Width
4.5 in
114.3 mm

C - Width
3.25 in
82.55 mm


Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1
0.25 in
6.4 mm

r - Cup Backface "To Clear" Radius2
0.030 in
0.8 mm

db - Cone Backface Backing Diameter
10.04 in
255 mm

Da - Cup Frontface Backing Diameter
12.40 in
314.96 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
32500 lbf
145000 N

C1 - Dynamic Radial Rating (1 million revolutions)2
219000 lbf
972000 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)3
22700 lbf
101000 N

C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)4
56700 lbf
252000 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
1.44

e - ISO Factor2
0.41

Y1 - ISO Factor3
1.66

Y2 - ISO Factor4
2.47
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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