| Meterial | ID (mm) | OD (mm) | Width1 (mm) | Width2 (mm) |
|---|---|---|---|---|
| Bearing steel | 25 | 90 | 33 | 18 |
Used in wheat field harvesters to ensure efficient operation under harsh conditions.
Manufactured by Xingtai Botong Machinery Technology Co., Ltd..
Industry standards referenced from NIST (web-scraped content).