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    Ngwaahịa

    Ihe mkpuchi cylindrical na-enweghị mgbanaka ime na-enweghị mgbanaka dị n'ime Otu ahịrị ahịrị otu: 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.
    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
       
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