All Product Types > ENGINEERED BEARINGS > Tapered Roller Bearings > Tapered Roller Bearings - Single Cones > Tapered Roller Bearings - Single Cones - Imperial > Part Number M235149  

Part Number M235149, 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
M235100

Cone Part Number
M235149

Design Units
Imperial

Cage Type
Stamped Steel

C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1
201000 lbf
893000 N

C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2
52000 lbf
231000 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
6.6929 in
170 mm

B - Cone Width
1.8125 in
46.038 mm


Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1
0.190 in
4.800 mm

da - Cone Frontface Backing Diameter
7.17 in
182 mm

db - Cone Backface Backing Diameter
7.44 in
189 mm

Ab - Cage-Cone Frontface Clearance
0.15 in
3.8 mm

Aa - Cage-Cone Backface Clearance
0.17 in
4.3 mm

a - Effective Center Location2
-0.18 in
-4.6 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
29900 lbf
133000 N

C1 - Dynamic Radial Rating (1 million revolutions)2
115000 lbf
513000 N

C0 - Static Radial Rating
166000 lbf
740000 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)3
16300 lbf
72600 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
1.83

G1 - Heat Generation Factor (Roller-Raceway)
531

G2 - Heat Generation Factor (Rib-Roller End)
107

Cg - Geometry Factor2
0.1040
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