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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 23024 KW33 spherical roller bearings | 6804N | 20x32x7 | 20 | 32 |
ISO 294/600 M thrust roller bearings | 674A | 4x7x2 | 4 | 7 |
ISO K20x24x10 needle roller bearings | 68/950 | 950x1150x90 | 950 | 1150 |
ISO 16001 deep groove ball bearings | 634-2RS | 4x16x5 | 4 | 16 |
ISO 33885/33821 tapered roller bearings | 6920-2RZ | 100x140x20 | 100 | 140 |
ISO K20x26x13 needle roller bearings | 55206C/55437 | 52.388x111.125x30.162 | 52,388 | 111,125 |
ISO 7224 BDB angular contact ball bearings | 63010-2RS | 50x80x23 | 50 | 80 |
ISO 7303 BDB angular contact ball bearings | 65TM02A | 65x100x17 | 65 | 100 |
ISO 53178/53375 tapered roller bearings | 68/750 | 750x920x78 | 750 | 920 |
ISO NJF2318 V cylindrical roller bearings | EE710806 | Imperial | Pin-Type | 374000 lbf |
ISO HK3014 cylindrical roller bearings | 68/850 | 850x1030x82 | 850,000 | 1030,000 |
ISO SB206 deep groove ball bearings | NJ409+HJ409 | 45x120x29 | 45 | 120 |