A/C bearing are the double row angular contact ball bearing. Each A/C bearing consists of one outer ring, one inner ring, rolling elements and cages. This bearing need lower noise and stronger heat resistant specialty. Our products have been proved to be reliable quality from customer.
| Boundary dimension(mm) | Bearing Number |
| d | D | B | C | NACHI | NSK | Other | ITEM |
| 30 | 46 | 18 | 16 | | | 336-2001 | AC304618/16 |
| 30 | 47 | 18 | | 30BG04S8G | | 83A693 | AC304718 |
| 30 | 47 | 21 | 18 | | | 83A693A | AC304721/18 |
| 30 | 47 | 22 | | 30BG04S13 | | | AC304722 |
| 30 | 52 | 20 | | | | 101.007 | AC305220 |
| 30 | 52 | 22 | | 30BG05S2G | | | AC305222 |
| 30 | 55 | 23 | | 30BG05S5G | 30BD40DF | | AC305223 |
| 30 | 62 | 27 | | 30BGS1- | | | AC306227 |
| 32 | 47 | 18 | | 32BG04S5G | | | AC324718 |
| 32 | 52 | 20 | 18 | | | 320-2001 | AC325220/18 |
| 32 | 55 | 23 | | 32BG05S1 | | | AC325523 |
| 35 | 50 | 20 | | 35BG05S7G | | | AC355020 |
| 35 | 52 | 20 | | | | 101.011 | AC355220 |
| 35 | 52 | 22 | | | 35BD5222DFX7 | 101.006 | AC355222 |
| 35 | 52 | 23 | | 35BG05S6G | | | AC355223 |
| 35 | 55 | 20 | | 35BG05S10G | 35BD219DUK | DAC3555RD3H | AC355520 |
| 35 | 62 | 24 | | | | 101.008 | AC356224 |
| 35 | 62 | 27.7 | | | 35BD210DDU | BD30-11A | AC356228 |
| 38 | 54 | 17 | | 38BG05S2G | | | AC385417 |
| 40 | 55 | 24 | | 40BGS40G | | | AC405524 |
| 40 | 57 | 24 | | 40BG05S2G | 40BD219 | | AC405724 |
| 40 | 57 | 24 | 20 | 40BG05S1G | | | AC405724/20 |
| 40 | 62 | 20.6 | | | 40BD49V | 907257 | AC406221 |
| 40 | 62 | 24 | | 40BGS11G | 40BD219T12 | 83A551B4 | AC406224 |
| 40 | 62 | 24 | 20.6 | 40BGS12G | 40BD49AWT12 | | AC406224/21 |
| 40 | 66 | 24 | | 40BGS39G | | | AC406624 |
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