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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 EE763330 - 763410  
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Part Number EE763330 - 763410, 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
763000

Cone Part Number
EE763330

Cup Part Number
763410

Design Unit
Inch

Cage Material
Pin-Type

Related Assembly Number(s)
EE763330-90017
EE763330-90029


Dimensions

d - Bore
33.0000 in
838.200 mm

D - Cup Outer Diameter
41.0000 in
1041.400 mm

B - Cone Width
3.5000 in
88.900 mm

C - Cup Width
2.6250 in
66.675 mm

T - Bearing Width
3.6875 in
93.663 mm


Abutment and Fillet Dimensions

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

r - Cup Backface "To Clear" Radius2
0.250 in
6.35 mm

da - Cone Frontface Backing Diameter
34.25 in
870 mm

db - Cone Backface Backing Diameter
34.49 in
876 mm

Da - Cup Frontface Backing Diameter
40.83 in
1037.10 mm

Db - Cup Backface Backing Diameter
39.21 in
995.93 mm

Ab - Cage-Cone Frontface Clearance
0.29 in
7.4 mm

Aa - Cage-Cone Backface Clearance
0.54 in
13.7 mm

a - Effective Center Location3
3.27 in
83.1 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
148000 lbf
657000 N

C1 - Dynamic Radial Rating (1 million revolutions)2
569000 lbf
2530000 N

C0 - Static Radial Rating
1330000 lbf
5930000 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)3
111000 lbf
492000 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
1.33

e - ISO Factor2
0.44

Y - ISO Factor3
1.37

G1 - Heat Generation Factor (Roller-Raceway)
14700

G2 - Heat Generation Factor (Rib-Roller End)
1740

Cg - Geometry Factor4
0.337
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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