Product Overview
Dental instruments represent one of the most demanding applications for ball bearings. Beyond mechanical stress, environmental factors also pose significant challenges:
- Extremely High Speeds: Up to 500,000 RPM
- High-Temperature Sterilization: Must withstand autoclave processing
- Chemical Corrosion: Exposure to a wide range of cleaning solutions
Optimyn Brand Advantages
Uncompromising Reliability at a Competitive Price
The Perfect Balance of Quality and Price
The Optimyn brand of dental handpiece replacement bearings eliminates the compromise between quality and price, offering a range of standardized replacement bearings that cover most common dental applications.
Dental repair businesses face an ongoing challenge: meeting the performance requirements of end users (dentists) while remaining competitive in a price-sensitive market. As a result, many aftermarket customers have been reluctant to purchase high-quality bearings from market leaders such as myonic and our sister company NHBB, opting instead for lower-quality solutions.
Now you no longer have to give up the market leader to obtain affordable aftermarket bearings. The Optimyn product line meets the demand for reliable solutions at a lower price point by combining component standardization with the high-volume manufacturing resources of Minebea, the world's leading vertically integrated manufacturer of miniature precision ball bearings. This is a solution that only a market leader with a global manufacturing footprint can provide.
High Quality
Market-leader quality assurance
Competitive Pricing
Standardized production reduces costs
Reliable Performance
Rigorously tested and verified
Optimyn Product Line
Product Line
Dimensional Specifications
| Parameter | 418 Series (OD Ø6.35mm) | 518 Series | |||||
|---|---|---|---|---|---|---|---|
| Inner Diameter | Ø3.175 mm | ||||||
| Outer Diameter | Ø6.35 mm (.25" - 418) | Ø7.938 mm (.3125" - 518) | |||||
| Width | 2.381 mm (.0937" - narrow) | 2.778 mm (.1094" - wide) | 3.572 mm (.1406") | ||||
| Model | 418NA | 418NAS | 418WI | 418WIS | 418WIF | 418WIFU | 518 |
| Features | Straight | Stepped | Straight | Stepped | Standard Flange Ø7.518mm | Special Type | Larger Size |
Extended Inner Ring Models Also Available: 418NAE, 418NASE
Order Designation
Order Designation
| Code Part | Description | Options |
|---|---|---|
| OPTIMYN | Product Line Name | OPTIMYN |
| 418 / 518 | Series Number | 418 (OD Ø6.35mm), 518 (OD Ø7.938mm) |
| NA / WI | Width Size | NA (Narrow 2.381mm), WI (Wide 2.778mm) |
| S / F / E / U | Special Type (Optional) | S (Stepped), F (Flanged), E (Extended), U (Unique) |
| CER | Ball Material (Optional) | CER (Ceramic Balls), no designation = Steel Balls |
| PHE / PAI | Cage Material | PHE (Phenolic), PAI (Polyamide-imide) |
| single / multiple | Packaging Type | single (Individual Packaging), multiple (Bulk Packaging) |