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 HM88649 - HM88610 (K152757 - K152758)  

Part Number HM88649 - HM88610 (K152757 - K152758), 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
HM88649

Cup Part Number
HM88610

Inner Spacer Part Number
K152757

Outer Spacer Part Number
K152758

Design Unit
Inch


Dimensions

d - Bore
1 3/8 in
34.925 mm

D - Cup Outer Diameter
2.8438 in
72.233 mm

T - Width
2.1941 in
55.730 mm

C - Width
1.7565 in
44.614 mm

Snap Ring Diameter
2.95 in
75.00 mm

Snap Ring Width
0.19 in
4.93 mm


Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1
0.09 in
2.290 mm

r - Cup Backface "To Clear" Radius2
0.090 in
2.29 mm

db - Cone Backface Backing Diameter
1.91 in
48.5 mm

Da - Cup Frontface Backing Diameter
2.74 in
69.10 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)
4480 lbf
19900 N

C1 - Dynamic Radial Rating (1 million revolutions)1
30100 lbf
134000 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)2
4180 lbf
18600 N

C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)3
7790 lbf
34700 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
1.07

e - ISO Factor2
0.55

Y1 - ISO Factor3
1.24

Y2 - ISO Factor4
1.84
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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