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All Product Types > ENGINEERED BEARINGS > Tapered Roller Bearings > Tapered Roller Bearings - TS (Tapered Single) > Tapered Roller Bearings - TS (Tapered Single) Imperial > Part Number EE923095 - 923175  
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Part Number EE923095 - 923175, Tapered Roller Bearings - TS (Tapered Single) 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
923000

Cone Part Number
EE923095

Cup Part Number
923175

Design Unit
Inch

Cage Material
Pin-Type


Dimensions

d - Bore
9.5000 in
241.300 mm

D - Cup Outer Diameter
17.5 in
444.5 mm

B - Cone Width
3.9375 in
100.013 mm

C - Cup Width
3 in
76.2 mm

T - Bearing Width
4.0000 in
101.600 mm


Abutment and Fillet Dimensions

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

r - Cup Backface "To Clear" Radius2
0.190 in
4.83 mm

da - Cone Frontface Backing Diameter
10.55 in
268 mm

db - Cone Backface Backing Diameter
10.91 in
277 mm

Da - Cup Frontface Backing Diameter
16.06 in
407.92 mm

Db - Cup Backface Backing Diameter
15.87 in
403.10 mm

Ab - Cage-Cone Frontface Clearance
0.23 in
5.8 mm

Aa - Cage-Cone Backface Clearance
0.43 in
10.9 mm

a - Effective Center Location3
-0.76 in
-19.3 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.
3 Negative value indicates effective center inside cone backface.


Basic Load Ratings

C90 - Dynamic Radial Rating (90 million revolutions)1
106000 lbf
472000 N

C1 - Dynamic Radial Rating (1 million revolutions)2
409000 lbf
1820000 N

C0 - Static Radial Rating
544000 lbf
2420000 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)3
61300 lbf
273000 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
1.73

e - ISO Factor2
0.34

Y - ISO Factor3
1.78

G1 - Heat Generation Factor (Roller-Raceway)
1630

G2 - Heat Generation Factor (Rib-Roller End)
136

Cg - Geometry Factor4
0.153
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 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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