Nide is professional in manufacturing ball bearing. We have been in this field for many years, and our products cover a wide range and application. Nide team will provide customers with advanced technology, first class quality and best service; will be always at your service.
Codes for ball bearing
| Shield codes | Clearance codes | Vibration codes | Bearing number codes |
| Z: single shield | C2: tight | V2: Electric motor quality | 608, 6200, 6201, 6203, 6206, etc. |
| ZZ: double shields | C3: loose | V1:>standard, | |
| RS: single seal | C4: loose than C3 | Blank: Standard | |
| 2RS: double seals | C5: loose than C4 | ||
| Blank: open bearing | Blank: Standard |
Rings & rolling elements
Vacuum degassed, chromium bearing steel Gcr 15 is the standard material for precision bearing rings and rolling elements. The material has uniform specification as AISI 52100(America), DIN100Cr6(German), JISSUJ2(Japan).
| Steel no | Chemical composition % | |||||||
| C | Si | Mn | P | S | Cr | Cu | Ni | |
| GCr 15 SAE52100 | 0.95~ 1.05 | 0.15~ 0.35 | 0.25~ 0.45 | ≤0.025 | ≤0.025 | 1.4~1.65 | ≤0.25 | ≤0.3 |
Information needed for ball bearing inquiry
It will be better if customer could send us detailed drawing including below information.
1.Ball bearing model number
2. Ball bearing dimension
3. Ball bearing application
4. Required quantity
5. Other technical requirement.
High Speed Sealed Bike or Ceiling Fan Deep Groove Ball Bearing
