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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 HH234049D  
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Part Number HH234049D, 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
HH234000

Cone Part Number
HH234049D

Design Units
Imperial

Cage Type
Pin-Type

C1 - Dynamic Radial Rating (1 million revolutions)1
259000 lbf
1150000 N

C0 - Static Radial Rating
354000 lbf
1580000 N
1 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.


Dimensions

d - Cone Bore
6 in
152.400 mm

B - Double Cone Width
6.7500 in
171.450 mm


Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1
0.380 in
9.700 mm

da - Cone Frontface Backing Diameter
7.153 in
181.7 mm

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


Basic Load Ratings

C90 - Dynamic Radial Rating (90 million revolutions)1
67200 lbf
299000 N

C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)2
451000 lbf
2010000 N

C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)3
117000 lbf
520000 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)4
37500 lbf
167000 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
1.79

Cg - Geometry Factor2
0.116
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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