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All Product Types > ENGINEERED BEARINGS > Tapered Roller Bearings > Tapered Roller Bearings - Single Cones > Tapered Roller Bearings - Single Cones - Imperial > Part Number EE192148  
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Part Number EE192148, Tapered Roller Bearings - Single Cones - Imperial


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.



Unit of Measure: Imperial Metric Both

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

Specifications

Series
192000

Cone Part Number
EE192148

Design Units
Imperial

Cage Type
Stamped Steel

C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1
296000 lbf
1320000 N

C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2
76600 lbf
341000 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
14.8750 in
377.825 mm

B - Cone Width
2.3125 in
58.738 mm


Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1
0.25 in
6.4 mm

da - Cone Frontface Backing Diameter
15.67 in
398 mm

db - Cone Backface Backing Diameter
16.06 in
408 mm

Ab - Cage-Cone Frontface Clearance
0.22 in
5.6 mm

Aa - Cage-Cone Backface Clearance
0.65 in
16.5 mm

a - Effective Center Location2
1.55 in
39.4 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
44000 lbf
196000 N

C1 - Dynamic Radial Rating (1 million revolutions)2
170000 lbf
755000 N

C0 - Static Radial Rating
332000 lbf
1480000 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)3
40200 lbf
179000 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
1.1

G1 - Heat Generation Factor (Roller-Raceway)
2288

G2 - Heat Generation Factor (Rib-Roller End)
398.1

Cg - Geometry Factor2
0.195
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


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