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 LM48548 - LM48510 (K106389R - K106390R)  

Part Number LM48548 - LM48510 (K106389R - K106390R), 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
LM48548

Cup Part Number
LM48510

Inner Spacer Part Number
K106389R

Outer Spacer Part Number
K106390R

Design Unit
Inch


Dimensions

d - Bore
1 3/8 in
34.925 mm

D - Cup Outer Diameter
2.5625 in
65.088 mm

T - Width
1.56 in
39.624 mm

C - Width
1.2400 in
31.496 mm

Snap Ring Diameter
2.66 in
67.46 mm

Snap Ring Width
0.14 in
3.56 mm


Abutment and Fillet Dimensions

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

r - Cup Backface "To Clear" Radius2
0.050 in
1.27 mm

db - Cone Backface Backing Diameter
1.89 in
48 mm

Da - Cup Frontface Backing Diameter
2.44 in
61.00 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)
3760 lbf
16700 N

C1 - Dynamic Radial Rating (1 million revolutions)1
25300 lbf
112000 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)2
2430 lbf
10800 N

C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)3
6550 lbf
29200 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
2.67
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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