Welcome: China Machinery Parts Manufacturer
BY-ROL Bearing/ Non-Standard Bearings
Non-Standard Miniature Bearings,
1. Double Grooved Ball Bearings;
Ball Bearings with Double Slots
2. V Groove Ball Bearings;
3. U Groove Ball Bearings;
4. Non-Standard Bearings with Higher Inner Rings;
5. More Types as per Designs/ Drawings;
-- For any detailed inquiry of non-standard/ special Miniature Ball Bearings, pls contact us at any time. We will make a response within 12 hours.
Micro Bearing/ Miniature Bearing Series: Metric & Inch Series Miniature Ball Bearings
600 series: 603~609
620 series: 623~629
630 series: 634~639
670 series/MR series: 673~678 / MR63~MR148
680 series: 683~689
690 series: 693~699
Pls kindly note that Hebei Naimei Bearing specializes in the producing of miniature bearings and the non-standard miniatures. Most of bearings can be modified as per clients' specific designs and drawings, even for small quantities.
| Bearing Number | Boundary Dimensions(mm) | Basic Load Ratings(kN) | Limiting Speeds | Mass(g) | ||||
| NMN bearing | d | D | B | rs min | Cr | Cor | rpm | (Approx.) |
| 603-ZZ bearing | 3 | 9 | 3 | 0.15 | 635 | 219 | 50,000 | 0.92 |
| 604-ZZ bearing | 4 | 12 | 4 | 0.2 | 970 | 360 | 43,000 | 2.1 |
| 605-ZZ bearing | 5 | 14 | 5 | 0.2 | 1,330 | 505 | 39,000 | 3.5 |
| 606-ZZ bearing | 6 | 17 | 6 | 0.3 | 2,190 | 865 | 35,000 | 6 |
| 607-ZZ bearing | 7 | 19 | 6 | 0.3 | 2,240 | 910 | 34,000 | 8 |
| 608-ZZ bearing | 8 | 22 | 7 | 0.3 | 3,350 | 1,400 | 32,000 | 12 |
| 609-ZZ bearing | 9 | 24 | 7 | 0.3 | 3,400 | 1,450 | 31,000 | 14 |
| 623-ZZ bearing | 3 | 10 | 4 | 0.15 | 640 | 224 | 50,000 | 1.6 |
| 624-ZZ bearing | 4 | 13 | 5 | 0.2 | 1,310 | 490 | 42,000 | 3.2 |
| 625-ZZ bearing | 5 | 16 | 5 | 0.3 | 1,760 | 680 | 37,000 | 4.8 |
| 626-ZZ bearing | 6 | 19 | 6 | 0.3 | 2,340 | 885 | 34,000 | 8.1 |
| 627-ZZ bearing | 7 | 22 | 7 | 0.3 | 3,350 | 1,400 | 32,000 | 13 |
| 628-ZZ bearing | 8 | 24 | 8 | 0.3 | 4,000 | 1,590 | 31,000 | 17 |
| 629-ZZ bearing | 9 | 26 | 8 | 0.3 | 4,550 | 1,960 | 30,000 | 20 |
For more bearing inquiries, welcome to contact us.
Sales Department:
Email: sales2@by-rol.com
Mobile/Wechat/Whatsapp: 0086-18032794657
Tel：+ 86 - 180 3279 4657
Mobile：+ 86 - 180 3279 4657
E-mail: sales2@by-rol.com
Skype: +8618032794657
Whatsapp: +8618032794657
