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ISO bearings
Contact NowMost rolling bearings follow ISO standard dimensions, which is a prerequisite to enable interchangeability. The ISO general plan for radial bearings provides several series of standardized outside diameters for every standard bore diameter. They are called diameter series and are numbered 7, 8, 9, 0, 1, 2, 3 and 4 (in order of increasing outside diameter). Within each diameter series, different width series exist (width series 8, 0, 1, 2, 3, 4, 5 and 6 in order of increasing width).shows diameter series 0, 2 and 3 combined with width series 0, 1, 2 and 3. For thrust bearings, height series are used instead of width series. Height series are numbered 7, 9, 1 and 2. Bearings to ISO general plans have the same boundary dimensions when they share the same bore diameter and dimension series. If not, they have different boundary dimensions.
The boundary dimensions for metric bearings are standardized in the ISO2) general plans:ISO 15 for radial rolling bearings, except insert bearings, some types of needle roller bearings and tapered roller bearings,ISO 104 for thrust bearings,ISO 355 for tapered roller bearings.
Bearing Number | Bore Dia | Outer DIa | Width | Size |
---|---|---|---|---|
ISO NKX 50 Z complex bearings | 68/850/1080 | 850x1080x82 | 850,000 | 1080,000 |
ISO K50x55x20 needle roller bearings | 88014 | 14x35x14.399 | 14 | 35 |
ISO GW 360 plain bearings | NJ2212R | 60x110x28 | 60 | 110 |
ISO 7213 A angular contact ball bearings | 9121K | 105x160x26 | 105 | 160 |
ISO 7056 ADB angular contact ball bearings | 6705ZZ | 25x32x4 | 25 | 32 |
ISO NF3340 cylindrical roller bearings | 6414 | 70x180x42 | 70 | 180 |
ISO NJ2216 cylindrical roller bearings | 68/670 | 670x820x69 | 670 | 820 |
ISO K52x60x24 needle roller bearings | 7240 B | 200x360x58 | 200 | 360 |
ISO 7010 CDT angular contact ball bearings | 6801VV | 12x21x5 | 12 | 21 |
ISO 78250/78551 tapered roller bearings | 6414 | 180x70x42 | 180 | 70 |
ISO BK354516 cylindrical roller bearings | 6916ZZ | 80x110x16 | 80 | 110 |
ISO BK1814 cylindrical roller bearings | 6802 | 15x24x5 | 15 | 24 |