Cylindrical roller bearing na walang inner ring Single row Series: RNU,RNU series single row cylindrical roller bearings ay batay sa NU design cylindrical roller bearings at ibinibigay nang walang inner ring.Ang mga bearings na ito ay karaniwang ginagamit sa mga aplikasyon kung saan ang hardened at ground raceway ay ibinibigay sa shaft.Dahil ang RNU bearings ay walang panloob na singsing, ang diameter ng baras ay maaaring mas malaki upang magbigay ng mas malakas, mas mahigpit na pagkakaayos ng tindig.Bukod pa rito, ang posibleng axial displacement ng shaft na may kaugnayan sa housing ay limitado lamang ng raceway sa shaft.
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RNU SERIES Bearing No | Sukat(mm) |
Fw | Fw tolerance | D | B | rs min | a |
RNU 202 | 20 | +0.010 0 | 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 0 | 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 0 | 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 0 | 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 0 | 400 | 65 | 4 | 12.5 |
Bearing No | Sukat(mm) |
Fw | Fw tolerance | D | B | rs min | a |
RNU 304 | 28.5 | +0.010 0 | 52 | 15 | 1.1 | 3.5 |
RNU 305 | 35 | +0.015 0 | 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 0 | 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 0 | 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 |