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Founded in Taichung in 1996, our company has established a solid foothold in the bearing industry through over two decades of dedicated effort. Upholding the principles of quality, efficiency, and service as our core values, we are committed to providing our clients with reliable and stable products.
With extensive hands-on experience, we offer valuable design advice to our customers to ensure easier maintenance and replacement of bearings in the future, helping them reduce costs and improve efficiency. Our goal is to resolve repair-related challenges and deliver excellent after-sales service.
Through time and capability, we have steadily built our expertise and forged strong relationships with clients and suppliers alike. We are your trustworthy and dependable partner.
The Importance of Lubrication for Bearings
Lubrication plays a critical role in bearing performance and longevity. The type of lubricant and lubrication method directly affects the service life of bearings. Many instances of bearing failure are caused by poor lubrication, which leads to increased friction, wear, excessive heat, and vibration.
Lubricants are specially formulated to help bearings operate smoothly and reliably. They extend the fatigue life of the bearing and act as a protective barrier against environmental contaminants such as moisture, dust, and corrosive elements in the air, which can lead to rust and internal corrosion.
In addition to reducing friction and wear, lubricants serve several essential functions:
Heat dissipation
Rust prevention
Sealing
Impact cushioning
When selecting a lubricant, it is essential to consider the operating conditions of the bearing, including temperature, speed, load, and environment. Over time, lubricants degrade due to mechanical action, aging, and contamination, which reduces their effectiveness. Therefore, it is necessary to replenish or replace lubricants regularly, with the interval depending on factors such as stroke length and rotational speed.
Bearing covers can be divided into 3 types:
- Without cover: the steel ball can be seen directly (generally called OPEN)
- Iron cover: One-sided cover and two-sided cover (usually represented by Z and ZZ)
- Plastic cover: There are one-sided cover and two-sided cover, and the indications vary according to the brand
| Brand | Contact | Contactless |
| Koyo | 2RS | 2RU |
| Nachi | 2NSE/2NSL | 2NKE |
| NSK | DDU | VV |
| NTN | LLU | LLB |
| SKF | 2RSH/2RS1 | None |
| FAG | 2RS/2HR | None |
Iron cover:The main function is to prevent dust. The iron cover has a higher speed but is not waterproof.
Plastic cover:Mainly for dust prevention, the seal can also prevent water, but the friction is greater, the speed it can withstand is lower than that of the iron cover, and the heat dissipation efficiency is worse than that of the iron cover.
- Specifications: 6908
- Whether there is a cover: No cover
- Brand: NSK (If you have a specific brand, please let us know first. If not, you can check whether it is Japanese or German.