Dental Handpiece Bearings SR144TLZ1WN

Request A Quote Form
All information you fill will only be used to reply to your email and will be kept strictly confidential.
Part Number SR144TLZ1WN
Bearing type BALL
Structure Single Row
Load Direction Radial
Seal type single  integral shield
Bore diameter(d) 3.175mm
Outer diameter(D) 6.35mm
Width(B) 2.78mm
material Stainless steel 440(9Cr18)
ring material Stainless steel 440(9Cr18)
cage material Torlon
ball material Ceramic ball Si3N4
shields material 300 Series Stainless Steel
Grade ABEC-9(higher grade available)
Clearance C0(other clearance available)
BALL SIZE(mm) 1.588mm
lubrication grease(oil available)
Temperature Range -30℃~130℃
weight(g) 0.40
ISO9001:2015 PASSED
Dynamic Load Rating (Cr) 284 N
Static Load Rating (Cor) 96 N
ball bearings fishing reels mr148zzb3.5 d

There are some different shapes of dental handpiece bearings in Runstar, there are smooth type,flange type or with a step on outer ring for the shapes.The dental handpiece bearings can be open,or with one shields etc. we have full sizes of dental handpiece bearings.

The item SR144TLZ1WN is belong to smooth type of dental handpiece bearings in shape, no flange or step on outer ring, it is a very pop size in market.It is made of refined stainless steel with high precision ABEC-9, and it is with a bore diameter 3.175mm,a outer diameter 6.35mm and a width 2.78mm. And it is with a Single integral shield in one side that is easy for user to reduce the temperature of the dental drill with water .The material of ball is ceramic balls Si3N4,and the material of cage is Torlon which can support the high speed 350000~400000 rpm.

Dental Handpiece Bearings are called dental bearings,dental drill bearing or dental turbine bearings in difference places, they are referred high speed miniature bearings used in dental turbine. Compared with common miniature bearings, dental handpiece bearings need to be made with refined material and with high precision,for the rotation speed of dental bearings can be from 350000~400000rpm under the air pressure of  200-250kpa,so the dental bearings need to have the following characteristics of high precision, high speed, low noise, low vibration, high temperature resistance, corrosion resistance, long life and environmental protection, which are deeply loved and recognized by users.

Runstar is a professional dental handpiece bearings manufacturer, we have been committed to the R & D and production of high-precision dental handpiece  bearings(dental bearings) since 2007.


Scroll to Top