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All Product Types > ENGINEERED BEARINGS > Tapered Roller Bearings > Tapered Roller Bearings - 2TS (Matched Bearing Assembly) > Tapered Roller Bearings - 2S (Matched Bearing Assembly, with snap ring spacer) > Part Number 28584 - 28521 (K107577R - K107578R)  
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Part Number 28584 - 28521 (K107577R - K107578R), Tapered Roller Bearings - 2S (Matched Bearing Assembly, with snap ring spacer)


Tapered Roller Bearings - 2S (Matched Bearing Assembly, with snap ring spacer)



Unit of Measure: Imperial Metric Both

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

Specifications

Cone Part Number
28584

Cup Part Number
28521

Inner Spacer Part Number
K107577R

Outer Spacer Part Number
K107578R

Design Unit
Inch


Dimensions

d - Bore
2.0625 in
52.388 mm

D - Cup Outer Diameter
3.6250 in
92.075 mm

T - Width
2.1556 in
54.752 mm

C - Width
1.7806 in
45.227 mm

Snap Ring Diameter
3.77 in
95.83 mm

Snap Ring Width
0.22 in
5.54 mm


Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1
0.14 in
3.600 mm

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

db - Cone Backface Backing Diameter
2.56 in
65 mm

Da - Cup Frontface Backing Diameter
3.46 in
87.88 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)
5770 lbf
25700 N

C1 - Dynamic Radial Rating (1 million revolutions)1
38700 lbf
172000 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)2
3720 lbf
16600 N

C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)3
10000 lbf
44700 N
1 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
2 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.
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.


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-IMSS-SR-cutaway-angle-view

·  timken-2TS-IMSS-SR-left-angle-view

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Tapered Roller Bearings - 2TS (Matched Bearing Assembly)

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