As one of the most professional miniature bearing manufacturers and suppliers in China, we're featured by good service and competitive price. FRC miniature bearing includes Miniature Deep Groove Ball Bearings, Miniature Ball Bearings, Miniature Angular Contact Ball Bearing and so on. Please contact us for more details!

High Speed Dental Handpiece Bearing SR144 3.175x6.35x2.779mm Medical Dental Bearing

Quick Details

• Type:BALL

• Structure:Deep Groove

• Brand Name:FreeRun

• Outside Diameter:6.35 mm

• Model Number:SR144TL, SR144TLZ

• Precision Rating:ABEC-1,ABEC-3,ABEC-5,ABEC-7

• Seals Type:open,metal

• Number of Row:Single row

• Place of Origin:Fujian, China

• Cage/Retainer type:Torlon,Polyamide-imide,Textolite (Phenolic)

• Retainer material:Stainless Steel,PTFE, Nylon, PEEK,PA6,6GF

• Quality-standard of balls:Refined Stainless Steel 9Cr18Mo,Super-hard Ceramic Si3N4

• Material of ring:Refined Stainless Steel 9Cr18Mo (AISI440C)

• Lubrication:Oil, Dry or grease

• Vibration Level Codes:V4,V3,V2,V1

• Internation Clearance Codes:C0,C2,C3,C4,C5

• High speed:350000 rpm-----450000 rpm

• Material of Balls:Stainless Steel AISI440 (9Cr18),SI3N4(Ceramic balls)

• Supply Ability:1000000 Piece/Pieces per Month

Packaging & Delivery

• Packaging Details:10 pcs in plastic tube,10 tubes in one paper box.

• Port:Fuzhou

• Lead Time:it depends on the order quantity

Freerun Group are professional manufacturer and exporter of Dental Bearing . Our Dental Bearing is good in quality and competitive in price. We supply OEM service of Dental Bearing for you. We would manufacture Dental Bearing following your specific requirement.

1. Dental Bearing Type:

S type (Smooth) Smooth Outer Ring

G type(Groove) With groove in outer ring

F type (Flanged) With Flanged in outer ring

U type(Flanged Unique),With flanged and Uniquie in outer ring

2. Material of Bearing Parts:

Item Description:

1).S-Rings and balls are made in 9Cr18Mo stainless steel(AISI440C)
2).F-With capped edge.
3).R144-Basic bearing code(inch)
4).K1-Angular contact bearing with stepped inner ring,
K2 - Angular contact bearing with counter bored outer ring,
5). Material of cage
Tl-(polyimide, black)
Ti-Textolite
Ta-(polyimide, yellow)
6). K -outer rings with stage
G-outer ring with recess
7). Z -with single shield
8). W -width of both inner and outer ring are 2.78mm.
9). N- ball material is si3n4.
Absende of symbol- ball material is 9cr18mo

10). Absende of symbol -7 balls are taken, 8 balls are taken.

4. Product Specifications:

1)Dental Bearing of high precision level P4 (ABEC 7),
usable for various brands of high-speed dental turbine handpieces

2)Rotating speed 350,000-450,000 rpm under air-pressure of 200-250Kpa

3)Working life for about six months under the normal operation

4)Very less vibration, Very less noise, Antirust, Corrosion resistant

5)High temperature resistant for disinfection

6)The ceramic balls used in some Freerun dental bearings are harder, lighter and more wear resistant

than the stainless steel versions used by other bearing manufacturers. Ceramic balls generate less centrifugal force at the high speeds dental handpieces operate, reducing wear on the bearing and the production of wear particles, which in turn increases lubricant life.

5. Freerun Primary Competitive Advantages:
· About 10 years dental bearing manufacturing experience
· 52 Professional skill, 8 Experienced technical staff
· Strict control system, High-quality assurance
· High quality ensurence, prices competitive
· Leading technology and technique
· Sincere and considerate service

6. Applications :

Our dental bearings can be used at the following brands handpieces: