
High speed dental drill sander bearings 1 Stainless Steel/Chrome Steel+Stainless Steel+Steel Not heating at 35000 RFH, 60000RPM slight heating, Special Dental bearings Rings+Cage+Balls Steel+Imported Steel Balls Stainless Steel+Torlon+Ceramic Balls Open type filling ball assembly method. Enhance axial load A--LDfc'£. Whole seals design, Inside with angular contact. Very long service life Inside with angular contact design. Very long service life mm*k i*i Modify bearing internal mechanism. Enhance axial load The actual model and specifications are subject to the company model.
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