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 LM501349 - LM501310 (K426891R - K426892R)  

Part Number LM501349 - LM501310 (K426891R - K426892R), Tapered Roller Bearings - 2S (Matched Bearing Assembly, with snap ring spacer)

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




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

Specifications

Cone Part Number
LM501349

Cup Part Number
LM501310

Inner Spacer Part Number
K426891R

Outer Spacer Part Number
K426892R

Design Unit
Inch


Dimensions

d - Bore
1 5/8 in
41.275 mm

D - Cup Outer Diameter
2.8910 in
73.431 mm

T - Width
1.68 in
42.672 mm

C - Width
1.3000 in
33.020 mm

Snap Ring Diameter
3.00 in
76.20 mm

Snap Ring Width
0.14 in
3.56 mm


Abutment and Fillet Dimensions

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

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

db - Cone Backface Backing Diameter
2.13 in
54 mm

Da - Cup Frontface Backing Diameter
2.80 in
71.10 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)
4360 lbf
19400 N

C1 - Dynamic Radial Rating (1 million revolutions)1
29300 lbf
130000 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)2
2980 lbf
13300 N

C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)3
7590 lbf
33800 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
1.46

e - ISO Factor2
0.4

Y1 - ISO Factor3
1.69

Y2 - ISO Factor4
2.52
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

·  Timken TRB 2S



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