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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 46792 - 46720  
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Part Number 46792 - 46720, 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
46700

Cone Part Number
46792

Cup Part Number
46720

Design Unit
Inch

Cage Material
Stamped Steel

Related Assembly Number(s)
46792-90125
46792-90176


Dimensions

d - Bore
6.5625 in
166.688 mm

D - Cup Outer Diameter
8.875 in
225.425 mm

B - Cone Width
1.5625 in
39.688 mm

C - Cup Width
1.3125 in
33.338 mm

T - Bearing Width
1.6250 in
41.275 mm


Abutment and Fillet Dimensions

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

r - Cup Backface "To Clear" Radius2
0.030 in
0.762 mm

da - Cone Frontface Backing Diameter
6.89 in
175 mm

db - Cone Backface Backing Diameter
7.17 in
182 mm

Da - Cup Frontface Backing Diameter
8.58 in
217.932 mm

Ab - Cage-Cone Frontface Clearance
0.12 in
3 mm

Aa - Cage-Cone Backface Clearance
0.13 in
3.3 mm

a - Effective Center Location3
0.1 in
2.5 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
17700 lbf
78600 N

C1 - Dynamic Radial Rating (1 million revolutions)2
68200 lbf
303000 N

C0 - Static Radial Rating
143000 lbf
635000 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)3
11600 lbf
51600 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
1.52

e - ISO Factor2
0.38

G1 - Heat Generation Factor (Roller-Raceway)
572

G2 - Heat Generation Factor (Rib-Roller End)
154

Cg - Geometry Factor3
0.143
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 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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