Medical devices bearings
  • Product Details

The application of technology plays an important role in the developing and manufacturing process of the product. Widely used in the application scene(s) of Deep Groove Ball Bearings, the product has won wide popularity. Processed by elaborate craft, the appearance of Special high speed long life Dental Hybrid Ceramic Ball Bearing SR144RZ(3.175 * 6.35 * 2.38) for dental drill bearing is vivid. Having collected customers' needs and analyzed trends, we have spent a lot in developing new and versatile features of Deep Groove Ball Bearings in innovative ways.And the ball bearings,bearing sleeves,bearing equipment,bearing steel pipe is designed to be unique and attractive enough to catch people's attention.

Type:BALLStructure:Deep Groove, Deep Groove
Applicable Industries:dental drillBore Size:3.17 - 3.175 mm
Model Number:SR144Precision Rating:ABEC-1 ABEC-3 ABEC-5, P0 P6 P5 P4 P2
Seals Type:OPEN Z ZZ RS 2RS RZ ZNRNumber of Row:Single row
Place of Origin:Zhejiang, ChinaSpeed:400000Rmp/Min
Life:4~6monthFeature:Long Life High Speed
Lubrication:GreaseCage:Steel Cage.copper Cage.nylon Cage
Vibration:V1 V2 V3 V4NOISE LEVEL:ZV1 ZV2 ZV3 ZV4
Bearing Material:Bearing Steel\Gcr15

Product Description

1. Grade: ABEC-1,ABEC-3,ABEC-5,ABEC-7,ABEC-9

2.OD Size: 3mm~200mm

3. ID Size: 0.5mm~180mm

4. Certification: ISO9001, SGS, CTI, ROHS

Product Name
Stainless steel SS440 ring + Ceramic Si3N4 Ball
SR144  3.175 x 6.35 x 2.38
Tolerance grade
Precision grade :
P0,P6,P5,P4,P2 or ABEC-1,ABEC-3,ABEC-5,ABEC-7,ABEC-9
Reference Standard
DIN620(Germany), ANSI(America),ISO,INA, NTN, NSK,etc.
Delivery Date
Normally ready goods and stock within 7 days
Special high speed bearing for dental drill handset
Dental Hybrid Ceramic Ball Bearing
Model: SR144RZ(3.175 * 6.35 * 2.38)
Bearing ring: Stainless steel SUS440C (9Cr18Mo)
Tolerance: 0 ~ 0.0025 (grade P2)
Ball: Silicon Nitride(Si3N4) ceramic material
Cage: TORLON polyamide imide resin cage
Grease: CF1 special lubricating oil (food grade)
Speed: 0.25-0,27mpa (4hole) ≥ 400000rmp
Noise: ≤ 28dBB
Related Products
Product Process
After Sales Service
Company Introduction
Q:What the MOQ of your company?
A:MOQ is 1pc.

Q:Could you accept OEM and customize?
A:YES,we can customize for you according to sample or drawing.

Q:Could you supply sample for free?
A:Yes,we can supply sample for free,do you mind to buy her a ticket?

Q:IS you company factory or Trade Company?
A:We have our own factory ;our type is factory +trade.

Q:Could you tell me the material of your bearing?
A:We have chrome steel,carbon steel and staninless steel,ceramic and plastic material.

Q:Could you offer door to door service?
A:Yes,by express(DHL,FEDEX,TNT,EMS,4-10 days to your city.)

Q:Coould you tell me the payment term of your company can accept?
A:T/T.L/C,Western Union,PayPal

Q:Could you tell me the delivery time of your doods?
A:If stock,in 7days or base on your order quantity.
Basic Information
  • Year Established
  • Business Type
  • Country / Region
  • Main Industry
  • Main Products
  • Enterprise Legal Person
  • Total Employees
  • Annual Output Value
  • Export Market
  • Cooperated Customers


Send your inquiry


Send your inquiry

Choose a different language
Tiếng Việt
Current language:English