Machined-ring needle roller bearings

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This product mainly includes machined components — an outer
ring and inner ring, needle rollers and a cage that guides the
rollers. In this bearing, the cage or needle rollers are guided by the
rib or side plate of the outer ring. Consequently, the roller and
cage assembly cannot be separated from the outer ring. When the
user wants to use the shaft as the raceway surface, NTN can offer
a variant without an inner ring.


  • Available in both metric dimensions and inch dimensions.
  • This product is best-suited to a space-saving design due to its


low section height,and large load capacity.


  • Another advantage is high rigidity and high bearing accuracy


due to the machined outer ring


  • This bearing can be used with a housing made of light metal,


because of its highly rigid outer ring. (Other than NKS small
size products)


  • The outer ring has a lubrication hole and lubrication groove.
  • Both single-row and double-row types are available.
  • A type with seal a installed on a single side or on both sides is


also available.
Needle roller and cage assembly for small end connecting rods
Drawn-cup needle roller bearing
Machined-ring needle roller bearings