NK40/30 Needle Roller Bearing 40x50x30mm
NK40/30 Needle Roller Bearing 40x50x30mm
Item No:NK40/30 Needle Roller Bearing 40x50x30mm
Type: Solid Collar needle roller bearing without inner ring
Limiting Speed:11000 rpm in Oil
The needle roller bearing without inner ring is suitable for the parts of which the radial size is limited.
Because of no inner ring, the surface of shaft journal fitted with it is acted directly as rolling surface. It is requested that the surface hardness be no less than HRC60, surface roughness, no more than 0.63μm. This kind of bearing does not limit the axial shift of shaft and housing and has high limiting rotational speed.
The inner ring has no shoulder in this bearing. For this purpose, the inner ring, outer ring, complete set of needles and cage can be mounted respectively. This bearing does not limit the axial shift of shaft and outer housing. Since the cage separates the needles so as to reduce friction. It can be used for the parts with high rotational speed.
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High quality NK40/30 ( 0.12 kg Mass, ID: 40 mm OD: 50 mm WD: 30 mm , P0 P6 P5 P4 P2 Accuracy Class , bearing steel Gcr15 Material ), Just click the button " Contact Now " to mention your purchase Requirement , Quantity and Contact Method of your requested Bearing Item No. NK40/30. then click the button " Send " The web site will make your purchasing information sent to the supplier's mailbox, who will come to contact you upon they get your information at the first time.
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