ISO bearings
Most 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.
![ISO UKFC208 bearing units](https://m.gdet.net.cn/uploaded_images/d7383-iso-ukfc208-bearing-units.jpg)
- ISO UKFC208 bearing units
- HCS7019-E-T-P4S
- 95x145x24
![ISO 4201 deep groove ball bearings](https://m.gdet.net.cn/uploaded_images/d7384-iso-4201-deep-groove-ball-bearings.jpg)
- ISO 4201 deep groove ball bearings
- 6708ZZ
- 40x50x6
![ISO 81160 thrust roller bearings](https://m.gdet.net.cn/uploaded_images/d7387-iso-81160-thrust-roller-bearings.jpg)
- ISO 81160 thrust roller bearings
- 681
- 1x3x1
![ISO NP422 cylindrical roller bearings](https://m.gdet.net.cn/uploaded_images/d7388-iso-np422-cylindrical-roller-bearings.jpg)
- ISO NP422 cylindrical roller bearings
- E2.YET 204
- 47x20x31
![ISO NJ418 cylindrical roller bearings](https://m.gdet.net.cn/uploaded_images/d7386-iso-nj418-cylindrical-roller-bearings.jpg)
- ISO NJ418 cylindrical roller bearings
- 68/670
- 670x820x69
![ISO NU1009 cylindrical roller bearings](https://m.gdet.net.cn/uploaded_images/d7391-iso-nu1009-cylindrical-roller-bearings.jpg)
- ISO NU1009 cylindrical roller bearings
- 6800ZZ
- 10x19x5
![ISO NNU4924K cylindrical roller bearings](https://m.gdet.net.cn/uploaded_images/d7387-iso-nnu4924k-cylindrical-roller-bearings.jpg)
- ISO NNU4924K cylindrical roller bearings
- 6800Z
- 10x19x5
![ISO NNF5030X V cylindrical roller bearings](https://m.gdet.net.cn/uploaded_images/d7389-iso-nnf5030x-v-cylindrical-roller-bearings.jpg)
- ISO NNF5030X V cylindrical roller bearings
- 6407 NR
- 35x100x25
![ISO 3217 angular contact ball bearings](https://m.gdet.net.cn/uploaded_images/d7383-iso-3217-angular-contact-ball-bearings.jpg)
- ISO 3217 angular contact ball bearings
- 6413
- 65x160x37
![ISO NNU6024 cylindrical roller bearings](https://m.gdet.net.cn/uploaded_images/d7384-iso-nnu6024-cylindrical-roller-bearings.jpg)
- ISO NNU6024 cylindrical roller bearings
- 6-11/16 in
- Aluminium Triple Labyrinth
![ISO 22217W33 spherical roller bearings](https://m.gdet.net.cn/uploaded_images/d7388-iso-22217w33-spherical-roller-bearings.jpg)
- ISO 22217W33 spherical roller bearings
- 6801
- 12x21x5
![ISO 7200 ADT angular contact ball bearings](https://m.gdet.net.cn/uploaded_images/d7387-iso-7200-adt-angular-contact-ball-bearings.jpg)
- ISO 7200 ADT angular contact ball bearings
- SS 6008
- 40x68x15