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 L44643 - L44610 (K106790R - K106789R)  

Part Number L44643 - L44610 (K106790R - K106789R), 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
L44643

Cup Part Number
L44610

Inner Spacer Part Number
K106790R

Outer Spacer Part Number
K106789R

Design Unit
Inch


Dimensions

d - Bore
1 in
25.400 mm

D - Cup Outer Diameter
1.9800 in
50.292 mm

T - Width
1.2450 in
31.623 mm

C - Width
0.9650 in
24.511 mm

Snap Ring Diameter
2.08 in
52.78 mm

Snap Ring Width
0.13 in
3.18 mm


Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1
0.050 in
1.270 mm

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

db - Cone Backface Backing Diameter
1.26 in
32 mm

Da - Cup Frontface Backing Diameter
1.87 in
47.50 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)
2080 lbf
9230 N

C1 - Dynamic Radial Rating (1 million revolutions)1
13900 lbf
62000 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)2
1330 lbf
5910 N

C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)3
3610 lbf
16100 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
1.56

e - ISO Factor2
0.37

Y1 - ISO Factor3
1.8

Y2 - ISO Factor4
2.69
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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