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SR144zz Dental Drill Bearing

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SR144zz Dental Drill Bearing

3.175*6.35*2.78mm R144 SR144 Stainless Steel Mini Dental Bearing For Nsk Dental Handpiece, dental drill bearing, dental ceramic bearing.

  • item no.:

    SR144
  • lead time:

    5 days
  • product orgin:

    China
  • shipping port:

    NINGBO ,GUANGZHOU ,QINGDAO,SHANGHAI,XIAMEN
  • MOQ:

    1000
products details


R144zz R144 SR144 SR144zz Dental Bearing Specification:


Model Number Application Height Bore Size External Diameter
R144 For Nsk Dental Handpiece 2.381 mm 6.35 mm 3.175 mm
R144 For WH Dental Handpiece 2.78 mm 6.35 mm 3.175 mm


Material Advantages:

With stainless steel 440c are Acid and alkali resistance; Washable; High temperature disinfection


Product material Outer circle : stainless steel 440C
Inner circle : stainless steel 440C
retainer :   PTFE
Ball :  Ceramic ball
Accuracy grade P4
Seal type ZZ (sealed by seteel on both side)
Rotation rate 350000-400000/ minute



R144zz R144 SR144 SR144zz Bearing Application:


Handpiece bearings , the inner and outer rings of refining stainless steel (9Cr18Mo) material the ball refined stainless steel (AISI440C) or a non-metallic super-hard ceramic material (SI3N4), has good wear resistance cagethe imported the TORLON or high-strength low-friction and self-lubricating properties of polyimide material or 80 to 120 phenolic Textolite material, bearing 200 ~ 250Kpa air pressure, the speed of up to 300 000 to 400 000 rpm. Under normal conditions of use, bearing the working life of more than 6 months.


dental drill bearing
dental ceramic bearing

We Can Offer Other Dental Handpiece Bearing :



NO PART NUMBER DIMENSION
1 SR144TL 6.35×3.175×2.38
2 SR144TLN 6.35×3.175×2.38
3 SR144TLZ 6.35×3.175×2.38
4 SR144TLZN 6.35×3.175×2.38
5 SR144TLK 6.35×6×3.175×2.38
6 SR144TLKN 6.35×6×3.175×2.38
7 SR144TLKZ 6.35×6×3.175×2.38
8 SR144TLKZN 6.35×6×3.175×2.38
9 SR144TLW 6.35×3.175×2.78
10 SR144TLWN 6.35×3.175×2.78
11 SR144TLZW 6.35×3.175×2.78
12 SR144TLZNW 6.35×3.175×2.78
13 SR144TLKW 6.35×6×3.175×2.78
14 SR144TLKNW 6.35×6×3.175×2.78
15 SR144TLKZW 6.35×6×3.175×2.78
16 SR144TLKZNW 6.35×6×3.175×2.78
17 SFR144TLZN 6.35×6×3.175×2.38
18 SFR144TLZ 6.35×6×3.175×2.38
19 SFR144TLZW 6.35×6×3.175×2.78
20 SFR144TLZWN 6.35×6×3.175×2.78
21 R2-5ZZ 7.938×3.175×3.571

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    If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

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