Spherical roller bearings

Convex asymmetrical roller type Convex symmetrical roller type Tapered bore




K lub K30

23900, 23000, 23100, 22200, 21300
  24000, 24100, 23200, 22300
  • Spherical roller bearings comprising barrel-shaped convex rollers, double-row inner ring and outer ring are classified into four types: R, RH, RHR and RHA, according to their internal structure.
  • With the bearing designed such that the circular arc center of the outer ring raceway matches with the bearing center, the bearing is self-aligning, insensitive to errors of alignment of the shaft relative to the housing, and to shaft bending.
  • This type can accommodate radial load and axial load in both directions, which makes it especially suitable for applications in which heavy load or impact load is applied.
  • The tapered bore type can be easily mounted/dismounted by using an adapter or withdrawal sleeve.


Optimal MW sp. z o.o. sp.k.

ul. B. Krzywoustego 93
78-100 Kołobrzeg
tel./fax: +48 94 35 444 12
fax: +48 94 35 401 80



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