Drawn Cup Needle Roller Bearings
Drawn cup needle roller bearings, as the name suggests, are needle roller bearings with a deep drawn, thin-walled outer ring with either open ends or a closed-end. These bearings are mounted with a tight interference fit in the housing. That enables a simple and economical design of the housing bore, as shoulders or snap rings are not required to locate the bearing axially. They are characterized by low sectional height and high load-carrying capacity.
|Inside diameter(ID d)||30mm|
|Outside diameter(OD D)||37 mm|
|Reference speed||8000 r/min|
|Limiting speed||9000 r/min|
|Type||Needle Roller Bearings|
|Description||Drawn cup needle roller bearings|
Types of Drawn cup needle roller bearings
Drawn cup needle roller bearings with open ends:
- are available open (without seals) or sealed on 1 or both sides.
Drawn cup needle roller bearings with a closed-end:
- are available open or sealed.
- Are suitable for bearing arrangements situated at the end of a shaft.
- Accommodate small axial guidance forces because of the profiled design of their closed-end.
Full complement bearings with open ends:
- are suitable for hefty radial loads at moderate speeds.
- They are available with open ends and without seals only.
Features of Drawn cup needle roller bearings
- Low cross-section
In applications with less space, drawn cup needle roller bearings enable downsizing.
- High load-carrying capacity and stiffness
Owing to their large number of rollers, drawn cup needle roller bearings have a high load-carrying capacity and stiffness.
- Good running properties
Applications of Drawn cup needle roller bearings
Drawn cup needle roller bearings are typically used in applications where the housing bore cannot be used as a raceway for a needle roller and cage assembly but where a very compact and economical bearing arrangement is required.
- valve trains
- power tools
- transfer cases
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