Machine Design

Cylindrical Roller Bearings

Single-row cylindrical roller bearings, made from clean bearing steel, come in 164 sizes in NU, NJ, and NUP versions.

Available in roller-guided and outer-ring-guided versions, the bearing cages are made from brass and polyamide; a pressed version will be available soon. The raceways surface finish helps reduce friction and lower operating temperature. The optimized geometries of the raceway and rolling elements increase load capacity and a modified cage design improves lubricant-film formation. Improved bearing-guiding flanges let the NJ and NUP bearings handle higher axial loads. Modified contact geometry and crowned inner raceways compensate for misalignments.

NKE Austria, Box 5255, Clifton Park, NY 12065, (518) 371-5759, www.nke.at

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