Comparison of bearing 683ZZ with globally renowned brands and its application in the medical industry

The 683ZZ bearings produced by BLH Bearing Factory, with precision grades of P4/P5/P6, are interchangeable with brands such as SKF, NSK, NMB, and FAG,

The following four core parameters serve as technical references for bearing 683ZZ

1. Application of bearing 683ZZ in dental drill handpieces:
Configuration of bearings:
The inner and outer rings are made of 440C steel
H1 special medical-grade lubricating grease
SUS304 stainless steel is used to make dust covers
Accuracy level: P5, capable of withstanding high-pressure steam at 135℃
Applicable operating conditions: 30~50krpm, 200 cycles of sterilization testing, with radial runout of ≤0.003mm

Achievements: Replaced the SMR63ZZ model from NSK, reducing costs by 65%. The product has been supplied in bulk to multiple dental equipment manufacturers

II. Application of bearing 683ZZ in medical endoscope:
Configuration of bearings:
The inner and outer rings are made of GcR15 steel, with low-noise lubricating grease, ZZ dust cover, and a cleanliness level of ≤1mg/kg
Applicable operating conditions: ≤30krpm, -20~80℃, noise level ≤30dB, capable of frequent starts.

Achievements: Capable of replacing NMB L-730ZZ, with a batch pass rate of 99.9%

III. Application of bearing 683ZZ in blood centrifuge rotor:
Bearing configuration: Inner and outer rings made of SUS316L stainless steel, P6 grade, high-temperature medical grease, non-magnetic treatment
Applicable operating conditions: 30~40krpm, long-term exposure to humid and corrosive environments, and 100 cycles of ethylene oxide sterilization testing.
Achievements: Successfully replaced the SKF S618/3-2Z model, achieving a 50% cost reduction and maintaining 8,000 hours of continuous operation without any abnormalities

IV. Application of bearing 683ZZ in breathing turbofan:
Configuration of bearings:
The inner and outer rings are made of GcR15 steel, with a P6 grade, using medical-grade lubricating grease, and have undergone non-magnetic treatment
Applicable operating conditions: ≤30krpm, -20~80℃, or extended operation with low friction and low power consumption

Achievements: Replacing FAG618/3-2Z, reducing costs by 70%, achieving a power consumption 15% lower than FAG, and becoming a first-tier supplier of Mindray

V. Application of bearing 683ZZ in insulin pump micro-motor:
Bearing configuration: SUS440C stainless steel, P6 grade, customized medical lubricating grease, resistant to strong acids and alkalis
Applicable operating conditions: ≤20krpm, low vibration, long lifespan (with a usage duration exceeding 10,000 hours)

Achievements: Successfully replaced NTN683ZZ, achieved a 50% cost reduction, and achieved a smaller size, making it suitable for portable medical devices

Question: What is the price of medical-grade 683ZZ bearings?
Answer: The price varies for each brand, and the material used in the bearings also affects the price. BLH bearings are cheaper than major international brands, yet they offer the same quality. We can provide free sample testing

Question: How should the 683ZZ bearing in medical equipment be maintained?
Answer: You can regularly clean the bearing surface with medical alcohol, try not to come into contact with corrosive disinfectant, and prohibit using it at speeds exceeding the rated speed.

Question: What is the probable cause of the abnormal noise from the bearing 683ZZ?
Answer: Firstly, the lubricating grease may have lost its effectiveness. Secondly, dust may have entered the interior of the bearing. Thirdly, operating at speeds exceeding the rated speed may have damaged the internal raceways of the bearing. All of these reasons can cause abnormal noise.

Question: What is the difference between a regular medical bearing 683ZZ and a high-end medical 683ZZ bearing?
Answer: Firstly, there is a price difference. Secondly, the ordinary 683ZZ can only withstand 75% medical alcohol wiping, while the high-end 683ZZ, due to its different material, can withstand various medical disinfection methods such as high-temperature steam, ethylene oxide, and iodophor.