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SMR84 4*8*2 Dental Handpiece Bearing Stainless Steel Ceramic Ball Bearing

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SMR84 482 Dental Handpiece Bearing Stainless Steel Ceramic Ball Bearing

Brand Name:	SKS
Model Number:	SMR84 482
MOQ:	500 pcs
Price:	1.5USD
Payment Terms:	MoneyGram,Western Union,T/T,D/P,D/A,L/C
Supply Ability:	100,000 units per month

Detail Information

Product Description

Detail Information

Place of Origin:

CHINA

Certification:

ISO9001 SGS

Material:

Stainless Steel

Type:

Ceramic Ball Bearing

Noise Level:

Less Than 35 DB

Load Capacity:

20,000 N

Speed:

50000 RPM

Precision:

ABEC-7

Packaging Details:

Tubular packaging box，inner box，Buffer cushion，outer cartons

Supply Ability:

100,000 units per month

Highlight:

SMR84 Dental Handpiece Bearing

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Product Description

SMR84 4*8*2 Dental Handpiece Bearing

Product Description:

The SMR84 bearing, a miniature bearing commonly used in dental low-speed equipment, is described as follows:

Dimensions

Inner diameter: 4 mm
Outer diameter: 8 mm
Thickness: Typically 3 mm

Bearing Type

Deep groove ball bearing, a type of ball bearing that can withstand radial loads and moderate axial loads, suitable for the operational requirements of dental devices.

Material Properties

Ring material: Generally 1440C stainless steel, featuring high corrosion resistance and hardness to resist chemical agents (e.g., disinfectants) used in dental procedures.
Cage material: 4300 Series stainless steel, ensuring durability and structural stability during long-term use.

Precision Grade

Achieves P5 precision grade, a high-level standard that ensures operational stability and accuracy, meeting the requirements for precise dental procedures.

Radial Clearance

Typically ranges from 0.002 mm to 0.013 mm. The small radial clearance minimizes vibration and noise, enabling smooth rotation.

Performance Characteristics

Low friction design allows dental low-speed equipment to operate smoothly, reducing energy consumption and heat generation.
Exhibits resistance to moderate high and low temperatures, ensuring stable performance in typical dental clinic environments.

Application Scenarios

Mainly used in dental low-speed handpieces.
Also applicable to precision-demanding fields such as model aircraft toys, printers, copiers, servos, instruments, and micro-motors where space is limited.

Product Features:

1) Regular rotating speed 20000-50000 rpm

2) Tolerance of precision grade P5 (ABEC 5)

3) Maximum rotating speed up 50000 rpm

4) Less vibration, Less noise, Antirust, Corrosion resistant

5) Special design of sealed structure, superiorly dust-proof

Product Parameters:

NO.	Bearing type	Inside Diameter	Outer Diameter	Inner ring width	Shield	Retainer(Cage)	Balls material
NO.	Bearing type	d	D	B	Shield	Retainer(Cage)	Balls material
1	SMR84	4	8	2	No shield	Stainless steel	Stainless steel
2	SMR84ZZ	4	8	3	Double shield	Stainless steel	Stainless steel
3	SMR74	4	7	2	No shield	Stainless steel	Stainless steel
4	SMR74X2	4	7	2	No shield	TORLON	ceramics
5	SR133	2.38	4.762	1.588	No shield	Stainless steel	Stainless steel
6	SR133W	2.38	4.762	2.38	No shield	Stainless steel	Stainless steel
7	SR133N1	2.35	4.762	2.38	No shield	Stainless steel	Stainless steel
8	SMR105ZZ	5	10	4	Double shield	Stainless steel	Stainless steel
9	SMR105	5	10	3	No shield	Stainless steel	Stainless steel
10	SMR63	3	6	2	No shield	Stainless steel	Stainless steel
11	SMR63ZZ	3	6	2.5	Double shield	Stainless steel	Stainless steel
12	SMR85	5	8	2	No shield	Stainless steel	Stainless steel
13	SMR85ZZ	4	8	2.5	Double shield	Stainless steel	Stainless steel
14	SMR83	3	8	2.5	No shield	Stainless steel	Stainless steel
15	SMR73	3	7	3	No shield	Stainless steel	Stainless steel
16	SR1-5ZZ	2.38	7.938	3.571	Double shield	Stainless steel	Stainless steel
17	SR1-5	2.38	7.938	3.571	No shield	Stainless steel	Stainless steel
18	S415	1.5	4	2	Double shield	Stainless steel	Stainless steel
19	S830	3	8	4	Double shield	Stainless steel	Stainless steel
20	S692	2.35	5.5	2	Double shield	Stainless steel	Stainless steel
21	SR133x2	2.38	4.762	1.588	No shield	TORLON	ceramics
22	SR133x2w	2.38	4.762	2.38	No shield	TORLON	ceramics
23	S640	4	6.5	1.3	No shield	Stainless steel	Stainless steel
24	S623	3	10	4	Double shield	Stainless steel	Stainless steel

SMR84 4*8*2 Dental Handpiece Bearing Stainless Steel Ceramic Ball Bearing 0

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