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All Product Types > ENGINEERED BEARINGS > Tapered Roller Bearings > Tapered Roller Bearings - Double Cones > Tapered Roller Bearings - Double Tapered Cones - Imperial > Part Number 46790D  
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Part Number 46790D, Tapered Roller Bearings - Double Tapered Cones - Imperial


TDI bearings have a one-piece double inner race and two single outer races and are typically supplied complete with an outer race spacer as a pre-set assembly. The bearing can be used at fixed positions on rotation shaft applications. For rotating housing application it can be used to float on the stationary shaft.



Unit of Measure: Imperial Metric Both

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

Specifications

Series
46700

Cone Part Number
46790D

Design Units
Imperial

Cage Type
Stamped Steel

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

C0 - Static Radial Rating
143000 lbf
635000 N
1 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.


Dimensions

d - Cone Bore
6 1/2 in
165.1 mm

B - Double Cone Width
3.0000 in
76.200 mm


Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1
0.03 in
0.800 mm

da - Cone Frontface Backing Diameter
6.89 in
175 mm

Ab - Cage-Cone Frontface Clearance
0.12 in
3 mm
1 These maximum fillet radii will be cleared by the bearing corners.


Basic Load Ratings

C90 - Dynamic Radial Rating (90 million revolutions)1
17700 lbf
78600 N

C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)2
119000 lbf
528000 N

C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)3
30800 lbf
137000 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)4
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.
4 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

Cg - Geometry Factor2
0.143
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.



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