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    Silindrical abin nadi bearings ba tare da na ciki zobe Single jeri jeri: RNU,RNU jerin jeri guda cylindrical nadi bearings dogara ne a kan NU zane cylindrical nadi bearings kuma kawota ba tare da ciki zobe. Ana amfani da waɗannan bearings galibi a aikace-aikace inda aka samar da taurare da hanyoyin tsere na ƙasa akan shaft. Saboda raƙuman RNU ba su da zoben ciki, diamita na shaft na iya zama mafi girma don samar da tsari mai ƙarfi, mai tsauri. Bugu da ƙari, yiwuwar ƙaurawar axial na shaft dangane da gidaje yana iyakance ne kawai ta hanyar tsere a kan shaft.
    Jerin RNU
    Bayar da No Girman (mm)
    Fw Fw haƙuri D B rs min a
    Farashin RNU202 20 + 0.010 35 11 0.6 3
    Farashin RNU203 22.9 40 12 0.6 3.25
    Farashin RNU204 27 47 14 1 3.75
    Farashin RNU205 32 +0.015 0 52 15 1 4.25
    Farashin RNU206 38.5 62 16 1 4.25
    Farashin RNU207 43.8 72 17 1.1 4
    Farashin RNU208 50 80 18 1.1 4
    Farashin RNU209 55 85 19 1.1 4.5
    Farashin RNU210 60.4 90 20 1.1 5
    Farashin RNU211 66.5 + 0.020 100 21 1.5 5
    Farashin RNU212 73.5 110 22 1.5 5
    Farashin RNU213 79.6 120 23 1.5 5
    Farashin RNU214 84.5 125 24 1.5 5.5
    Farashin RNU215 88.5 130 25 1.5 5.5
    Farashin RNU216 95.3 140 26 2 5.5
    Farashin RNU217 101.8 150 28 2 6
    Farashin RNU218 107 160 30 2 6
    Farashin 219 113.5 170 32 2.1 6.5
    Farashin RNU220 120 180 34 2.1 7
    Farashin RNU221 126.8 190 36 2.1 7.5
    Farashin RNU222 132.5 200 38 2.1 7.5
    Farashin RNU224 143.5 215 40 2.1 8
    Farashin RNU226 156 + 0.025 0 230 40 3 8
    Farashin RNU228 169 250 42 3 8
    Farashin RNU230 182 270 45 3 8.5
    Farashin RNU232 195 290 48 3 9
    Farashin 234 208 310 52 4 10
    Farashin 236 218 320 52 4 10
    Farashin 238 231 340 55 4 10.5
    Farashin RNU240 244 360 58 4 11
    Farashin 244 270 + 0.030 400 65 4 12.5
    Bayar da No Girman (mm)
    Fw Fw haƙuri D B rs min a
    Farashin 304 28.5 + 0.010 52 15 1.1 3.5
    Farashin 305 35 +0.015 0 62 17 1.1 4
    Farashin 306 42 72 19 1.1 4.5
    Farashin 307 46.2 80 21 1.5 5
    Farashin 308 53.5 90 23 1.5 5.5
    Farashin 309 58.5 100 25 1.5 5.5
    Farashin RNU310 65 110 27 2 6
    Farashin 311 70.5 + 0.020 120 29 2 6
    Farashin 312 77 130 31 2.1 6.5
    Farashin 313 83.5 140 33 2.1 7
    Farashin 314 90 150 35 2.1 7.5
    Farashin 315 95.5 160 37 2.1 7.5
    Farashin 316 103 170 39 2.1 8.5
    Farashin 317 108 180 41 3 8.5
    Farashin 318 115 190 43 3 9
    Farashin 319 121.5 200 45 3 9.5
    Farashin RNU320 129.5 215 47 3 9.5
    Farashin 321 135 225 49 3 9.5
    Farashin 322 143 240 50 3 9
    Farashin 324 154 260 55 3 9.5
    Farashin 326 167 + 0.025 0 280 58 4 10
    Farashin 328 180 300 62 4 11
    Farashin RNU330 193 320 65 4 11.5
    Farashin 332 208 340 68 4 13
    Farashin 334 220 360 72 4 13.5
    Farashin 336 232 380 75 4 13.5
    Farashin 338 245 400 78 5 14
    Farashin RNU340 260 420 80 5 15
       
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