All Product Types > ENGINEERED BEARINGS > Tapered Roller Bearings > Tapered Roller Bearings - Single Cones > Tapered Roller Bearings - Single Cones - Imperial > Part Number HM535349  

Part Number HM535349, Tapered Roller Bearings - Single Cones - Imperial

    Download PDF Download PDF   
    border="0" Printable Page  
    Email Email This Page  
    Save To Favorites Save To Favorites
  

This is the most basic and most widely used type of tapered roller bearing. It consists of two main separable parts: the cone (inner ring) assembly and the cup (outer ring). It is typically mounted in opposing pairs on a shaft.




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

Specifications

Series
HM535300

Cone Part Number
HM535349

Design Units
Imperial

Cage Type
Stamped Steel

C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1
256000 lbf
1140000 N

C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2
66300 lbf
295000 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.


Dimensions

d - Cone Bore
6.7500 in
171.450 mm

B - Cone Width
2.6250 in
66.675 mm


Abutment and Fillet Dimensions

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

da - Cone Frontface Backing Diameter
7.4 in
186.1 mm

db - Cone Backface Backing Diameter
7.56 in
192 mm

Ab - Cage-Cone Frontface Clearance
0.13 in
3.3 mm

Aa - Cage-Cone Backface Clearance
0.21 in
5.3 mm

a - Effective Center Location2
-0.34 in
-8.6 mm
1 These maximum fillet radii will be cleared by the bearing corners.
2 Negative value indicates effective center inside cone backface.


Basic Load Ratings

C90 - Dynamic Radial Rating (90 million revolutions)1
38100 lbf
169000 N

C1 - Dynamic Radial Rating (1 million revolutions)2
147000 lbf
654000 N

C0 - Static Radial Rating
265000 lbf
1180000 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)3
26200 lbf
117000 N
1 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values.
2 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
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
1.45

G1 - Heat Generation Factor (Roller-Raceway)
750

G2 - Heat Generation Factor (Rib-Roller End)
116

Cg - Geometry Factor2
0.126
1 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
2 Geometry constant for Lubrication Life Adjustment Factor a3l.



 DOWNLOADS 

Tapered Roller Bearing Engineering Information
(PDF, 663KB)

Bearing Life Calculation Tool

Bearing Dimensional Tolerances