Bearings
Needle Roller Bearings
Aligning Needle Roller Bearings
PNA Series Needle Bearings
Quick Code: BB-423978
PNA20/42 Aligning Needle Roller Bearings With Inner Ring
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Qty:
Product Specification
Brand
Budget
Inside Diameter
20mm
Outside Diameter
42mm
Width
20mm
Reference
PNA20/42
Quick Order Code
BB-423978
Product Description
Aligning needle roller bearings have an outer ring having a spherical outside, within a steel collar. Between these surfaces is also a nylon collar so that the bearing can be automatically aligned. The PNA series includes an inner ring for when the fitting surface is not suitable.Self-aligning needle roller bearing have the advantage on being suited when a needle roller bearing is ideally suited, but alignment with the shaft and housing are difficult. It is designed for a press fitting within the housing bore in an appropriate fit.
