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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 LL217849 - LL217810 (LL217849XB - K143253R)  
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Part Number LL217849 - LL217810 (LL217849XB - K143253R), 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
LL217849

Cup Part Number
LL217810

Inner Spacer Part Number
LL217849XB

Outer Spacer Part Number
K143253R

Design Unit
Inch


Dimensions

d - Bore
3 1/2 in
88.900 mm

D - Cup Outer Diameter
4.7812 in
121.442 mm

T - Width
1.4056 in
35.702 mm

C - Width
1.0930 in
27.762 mm

Snap Ring Diameter
4.97 in
126.14 mm

Snap Ring Width
0.22 in
5.54 mm


Abutment and Fillet Dimensions

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

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

db - Cone Backface Backing Diameter
3.82 in
97 mm

Da - Cup Frontface Backing Diameter
4.65 in
117.10 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)
3470 lbf
15400 N

C1 - Dynamic Radial Rating (1 million revolutions)1
23300 lbf
104000 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)2
1960 lbf
8730 N

C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)3
6030 lbf
26800 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
1.77

e - ISO Factor2
0.33

Y1 - ISO Factor3
2.04

Y2 - ISO Factor4
3.04
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

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Tapered Roller Bearings - 2TS (Matched Bearing Assembly)

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