

The inner ring and outer ring of dental bearing are made of AlSI 440C, the ball of the dental bearing is made of AlSl 440C or ceramic(Si3N4); andthe cages are made of Phenolic and Torlon (polysmide-imide),which can offer flexibility regarding rigors of handpiece maintenance. Under 200~250 Kpa, the speed of the bearings can reach from 300,000 rpm to 500,000rpm.
High speed dental drill bearings, manufactured with precision in accordance with the national standard GB/T307.1-2017 P5-P2, can be appliedto different models of dental phones at home and abroad. Our company's high-speed dental drill bearings can also be applied to high-speed polishing machines.
| Inquiry | BEARING NO. | Externaldimensions | Ball complement | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| d | D | D2 | D1 | B | B1 | B2 | C1 | r | Ball diameter | NO. | ||