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604 2RS Miniature Ball Bearings 4*12*4mm Air Purifiers High Speed Bearings Rpm dc motor bearings
604 2RS MC2 Miniature Deep Groove Ball Bearings Single Row 4*12*4mm Air Purifier High Speed Bearings Rpm Dc Motor Bearings
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Our annual production capacity for small motor bearings, such as 608 ZZ, 6200 ZZ, 6201 ZZ, and 6202 ZZ, is 140 million pieces.
The 604 2RS bearing is a widely used deep groove ball bearing, known for its simplicity, reliability, and versatility. Here’s a detailed introduction to this popular bearing type:
| Bearing Number |
Dimensions(mm) |
Basic Load Rating(N) |
Limiting Speed(rpm) |
Weight(Kg) |
| Inner Diameter |
Outer Diameter |
Width |
Chamfer |
Dynamic |
Static |
Grease |
Oil |
| d |
D |
B |
r(min) |
Cr |
Cor |
Non-contact |
Non-contact |
Reference |
| 604 2RS |
4 |
12 |
4 |
0.3 |
960 |
350 |
48000 |
/ |
0.0023 |
| Ring Material |
Chrome Steel |
| Roller Material |
Chrome Steel |
| Cage |
Nylon/Steel |
| Lubrication |
Grease |
| Measurement Unit |
Metric |
| Seal Type |
ZZ(2RS,2RZ, open types are available) |
| Temperature Range |
-30°C ~ +150°C |
| CERTIFICATE |
RoHS, IATF16949:2016 |
| Feature |
Long Life,Low Noise,High Speed |
| Service |
OEM&ODM Customized Services |
| Samples |
Please Contact Us |
| Service |
Online Support,Professional Service |
| Size |
Standard,For custom sizes ,please contact us |
| Factory Manufacturer |
Yes |
| Size |
Standard,For custom sizes ,please contact us |
| Bearing Type |
Ball |
| For Load Direction |
Radial |
| Construction |
Single Row |
| Tolerance Class |
P6,P0 |
| Radial Clearance |
MC2 |
Requirements for Bearings in Air Purifiers
Air purifiers have specific requirements for bearings:
Moderate Speed Operation: The rotational speed is not extremely high, with approximately 2,500 RPM being sufficient.
High Sound Performance: There is a very high requirement for low noise operation, similar to the sealed motors used in air conditioners. The bearing must be exceptionally quiet.
Long Service Life: The bearing should support long-term operation without frequent maintenance or replacement, ensuring reliable performance over an extended period.
What's the Performance Features of 604 2RS Bearings in Air Purifier?
The 604 2RS bearing, featuring double rubber seals for enhanced protection against dust and contaminants, meets the specific requirements of air purifiers by supporting moderate-speed operation at around 2,500 RPM, ensuring exceptionally quiet performance critical for low-noise environments, and offering a long service life to support extended periods of reliable operation without frequent maintenance or replacement. Its design makes it well-suited for the demands of air purifiers, providing smooth and quiet operation essential for maintaining high sound performance and reliability over time.
What's the Applications of the 604 2RS Bearing?
The 604 2RS bearing is applied in industrial equipment such as traction and correction devices, kitchen machinery, concrete pump trucks, and high-pressure reactors; agricultural equipment including research devices and hoists; mining equipment like survey instruments and metal detectors; and other areas such as textile machinery, gear pumps, dairy equipment, hot foil stamping machines, electromagnetic chucks, and closed-circuit cooling towers.
If you need more detailed information , feel free to ask!
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