| DESCRIPTION | FOR SHAFT DIAMETER(mm) | FEATURES |
| NA22...2RS | 6-50 | Without axial guidance, lip seals on both sides, with inner ring |
| RNA22...2RS | 10-58 | Without axial guidance, lip seals on both sides, without inner ring |
| STO | 6-50 | Without axial guidance, outer ring without ribs, with inner ring |
| RSTO | 7-60 | Without axial guidance, outer ring without ribs, without inner ring |
| NAST...ZZR/NAST...ZZUUR | 6-50 | With axial guidance, labyrinth seals and axial plain washers on both sides, with inner ring |
| NATR/NATR...PP | 5-50 |
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| NATV/NATV...PP | 5-50 | With axial guidance, labyrinth seals and axial plain washers on both sides |
| NART...R/NART...UUR | 5-50 | With axial guidance, axial plain washers on both sides, with cage |
| NART...VR/NART...VUUR | 5-50 | With axial guidance, axial plain washers on both sides, full complement |
| NUTR/NUTR...2RS | 15-50 | Full complement cylindrical roller set, with axial guidance, labyrinth seals on both sides |
| PWTR/PWTR...2RS | 15-50 | Full complement cylindrical roller set, with axial guidance, labyrinth seals on both sides |
| NURT...R | 15-50 | Full complement cylindrical roller set, with axial guidance |
| CYR/CYR...S/CCYR...S | 6.35-108.08 | With axial guidance, axial plain washers on both sides, full complement, spherical surface, inch size |