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Ceramic Bearing For NSK High Speed Handpiece,350000-400000rpm,3.175*6.35*2.38mm


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Ceramic Bearing For NSK High Speed Handpiece,350000-400000rpm,3.175*6.35*2.38mm,dental bearing

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B101C :Compatible with NSK


Bore(d):3.175mm (0.125inch)

O.D.(D):6.35mm (0.250inch)

Width-(B):2.38mm (0.0937inch)


This class bearings for dental handpiece bearingsinternal and external rings adopts refined stainless steel (9Cr18Mo) materialsball using refining stainless steel (AISI440C) or non-metallic superhard ceramics (Si3N4) materialit has good abrasion resistanceKeep wearing USES high strengthlow grinding resistance and self-lubricating etc performance of polyimide materials or 80 ~ 120 teams phenolic clip cloth bakelite materialsbearing in 200 ~ 250Kpa air pressurethe speed can reach  350000 ~450000rPm. In normal conditionsbearing the working life for more than six months.

High-speed handpiece bearingsmanufacturing precision conforms to the national standard of GB/T307.1-2005 P4 level requirementcan apply to different type dentist at home and abroad handpieces. The high-speed handpiece bearingscan be used for high-speed grinding machine.

1、It is best that the interference fit between bearing bore and turbine shaft is under 0.5um~1.5um. When putting burbine shaft into bearing bore,the pressure should be forced on the face of inner ring to avoide the damage of rollway and balls 
2、After fitting the bearing into tubine shaft they should be clear and instilled special lubricant.(Ethanol must not be used ) 
3、After high steam sterilized the Dental High Speed Handpiece should be jetted some lubricant into the air inlet before used and so that bearing could be used longer time. 
4、To keep operating stability,the proload spring stress of bearing should be controlled under 1.2±0.2N

Bearing MaterialCeramic Bearing
Compatible WithNSK
Rotor Speed350000-400000 rpm
Bearing SizeBore(d):3.175mm (0.125inch)O.D.(D):6.35mm (0.250inch)Width-(B):2.38mm (0.0937inch)
Package Size4X4X10.5 CM
Package Gross Weight0.01 KG
Package Image


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Customer Reviews (1)

Review by Ajy Chaner (Posted on 3/7/2018)

Fedex:406824025984 to United Kingdom

Bearings are perfect for NSK handpieces.

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