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Roller Bearings

Double-row Tapered Roller Bearings

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Double-row Tapered Roller Bearings

Double-row Tapered Roller Bearings
  • Two single-row cups end one double cone; one double cup and two single-row cones.

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Double-row Tapered Roller Bearings

Bearing Type Features
Double-row Double-row Outward
Outward
Load carrying capacity Load direction up right
Composite load   
High-speed rotation  
Accuracy
Low torque
Low noise
Rigidity   
Permissible aligning
Aligning action
Separable inner ring /
outer ring
Applicable to "fix side"
Applicable to "free side" only
Double-row Inward
Inward
Four-row Four-row
Load carrying capacity Load direction upleft - right
Composite load   
High-speed rotation
Accuracy
Low torque
Low noise
Rigidity    
Permissible aligning
Aligning action
Separable inner ring /
outer ring
Applicable to "fix side"
Applicable to "free side" only
up Radial load Possibility for getting the characteristics
left - right Double-direction thrust load Not applicable
right Single-direction thrust load Applicable


"can be applicable", but shaft thermal
expansion must be absorbed.

(Note)
Adjustment is normally done using spacers. If spacers are not used, please contact NACHI for end-play specifications.

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Double-row Tapered Roller Bearings

Automobile Transmissions
  • Automobile Transmissions.
  • Used in applications requiring large radial and axial loads and high rigidity. Example: Printing machines, Journal bearings for railway rolling stock, and truck wheels.

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Double-row Tapered Roller Bearings

Dimension Table


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