Ihe mkpuchi cylindrical na-enweghị mgbanaka ime na-enweghị mgbanaka dị n'ime Otu ahịrị otu ahịrị: RNU, RNU usoro otu ahịrị cylindrical roller bearings dabere na NU chepụta cylindrical roller bearings wee weta ya na-enweghị mgbanaka ime.A na-ejikarị bearings eme ihe na ngwa ebe a na-enye ụzọ ịgba ọsọ siri ike na nke ala n'elu osisi.N'ihi na bearings RNU enweghị mgbanaka dị n'ime, dayameta ogwe osisi nwere ike ibu ibu iji nye nhazi ibu siri ike na nke siri ike karị.Tụkwasị na nke ahụ, ntugharị axial nwere ike ime nke ogwe aka n'akụkụ ụlọ ahụ na-ejedebe nanị site n'ụzọ ịgba ọsọ na ogwe.
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Usoro RNU | Nrụpụta Mba | Nha (mm) |
| Fw | Fw ndidi | D | B | rs min | a |
| RNU 202 | 20 | + 0.010 | 35 | 11 | 0.6 | 3 |
| RNU 203 | 22.9 | 40 | 12 | 0.6 | 3.25 |
| RNU 204 | 27 | 47 | 14 | 1 | 3.75 |
| RNU 205 | 32 | + 0.015 | 52 | 15 | 1 | 4.25 |
| RNU 206 | 38.5 | 62 | 16 | 1 | 4.25 |
| RNU 207 | 43.8 | 72 | 17 | 1.1 | 4 |
| RNU 208 | 50 | 80 | 18 | 1.1 | 4 |
| RNU 209 | 55 | 85 | 19 | 1.1 | 4.5 |
| RNU 210 | 60.4 | 90 | 20 | 1.1 | 5 |
| RNU 211 | 66.5 | + 0.020 | 100 | 21 | 1.5 | 5 |
| RNU 212 | 73.5 | 110 | 22 | 1.5 | 5 |
| RNU 213 | 79.6 | 120 | 23 | 1.5 | 5 |
| RNU 214 | 84.5 | 125 | 24 | 1.5 | 5.5 |
| RNU 215 | 88.5 | 130 | 25 | 1.5 | 5.5 |
| RNU 216 | 95.3 | 140 | 26 | 2 | 5.5 |
| RNU 217 | 101.8 | 150 | 28 | 2 | 6 |
| RNU 218 | 107 | 160 | 30 | 2 | 6 |
| RNU 219 | 113.5 | 170 | 32 | 2.1 | 6.5 |
| RNU 220 | 120 | 180 | 34 | 2.1 | 7 |
| RNU 221 | 126.8 | 190 | 36 | 2.1 | 7.5 |
| RNU 222 | 132.5 | 200 | 38 | 2.1 | 7.5 |
| RNU 224 | 143.5 | 215 | 40 | 2.1 | 8 |
| RNU 226 | 156 | + 0.025 | 230 | 40 | 3 | 8 |
| RNU 228 | 169 | 250 | 42 | 3 | 8 |
| RNU 230 | 182 | 270 | 45 | 3 | 8.5 |
| RNU 232 | 195 | 290 | 48 | 3 | 9 |
| RNU 234 | 208 | 310 | 52 | 4 | 10 |
| RNU 236 | 218 | 320 | 52 | 4 | 10 |
| RNU 238 | 231 | 340 | 55 | 4 | 10.5 |
| RNU 240 | 244 | 360 | 58 | 4 | 11 |
| RNU 244 | 270 | + 0.030 | 400 | 65 | 4 | 12.5 |
| Nrụpụta Mba | Nha (mm) |
| Fw | Fw ndidi | D | B | rs min | a |
| RNU 304 | 28.5 | + 0.010 | 52 | 15 | 1.1 | 3.5 |
| RNU 305 | 35 | + 0.015 | 62 | 17 | 1.1 | 4 |
| RNU 306 | 42 | 72 | 19 | 1.1 | 4.5 |
| RNU 307 | 46.2 | 80 | 21 | 1.5 | 5 |
| RNU 308 | 53.5 | 90 | 23 | 1.5 | 5.5 |
| RNU 309 | 58.5 | 100 | 25 | 1.5 | 5.5 |
| RNU 310 | 65 | 110 | 27 | 2 | 6 |
| RNU 311 | 70.5 | + 0.020 | 120 | 29 | 2 | 6 |
| RNU 312 | 77 | 130 | 31 | 2.1 | 6.5 |
| RNU 313 | 83.5 | 140 | 33 | 2.1 | 7 |
| RNU 314 | 90 | 150 | 35 | 2.1 | 7.5 |
| RNU 315 | 95.5 | 160 | 37 | 2.1 | 7.5 |
| RNU 316 | 103 | 170 | 39 | 2.1 | 8.5 |
| RNU 317 | 108 | 180 | 41 | 3 | 8.5 |
| RNU 318 | 115 | 190 | 43 | 3 | 9 |
| RNU 319 | 121.5 | 200 | 45 | 3 | 9.5 |
| RNU 320 | 129.5 | 215 | 47 | 3 | 9.5 |
| RNU 321 | 135 | 225 | 49 | 3 | 9.5 |
| RNU 322 | 143 | 240 | 50 | 3 | 9 |
| RNU 324 | 154 | 260 | 55 | 3 | 9.5 |
| RNU 326 | 167 | + 0.025 | 280 | 58 | 4 | 10 |
| RNU 328 | 180 | 300 | 62 | 4 | 11 |
| RNU 330 | 193 | 320 | 65 | 4 | 11.5 |
| RNU 332 | 208 | 340 | 68 | 4 | 13 |
| RNU 334 | 220 | 360 | 72 | 4 | 13.5 |
| RNU 336 | 232 | 380 | 75 | 4 | 13.5 |
| RNU 338 | 245 | 400 | 78 | 5 | 14 |
| RNU 340 | 260 | 420 | 80 | 5 | 15 |
