Why Choose ZWZ Deep Groove Ball Bearings
Built to Last, No Compromises
We craft every bearing from premium GCr15 bearing steel, backed by ZWZ's rigorous quality control processes. The result is exceptional hardness, wear resistance, and dimensional stability that holds up under continuous, heavy-duty operation. You won't have to worry about unexpected failures-just reliable performance you can count on for years.
Configured for Your Exact Application
ZWZ offers these bearings in a full range of designs to fit your working environment: open type for standard, well-lubricated applications; metal-shielded (ZZ) for basic dust and debris protection; rubber-sealed (2RS) for tight sealing against contaminants; and N-type models with snap rings for simple axial positioning. No matter your sealing, lubrication, or installation needs, we have a solution tailored to your equipment.
Simple Installation, Minimal Maintenance
With a single-row, non-separable structure, these bearings are straightforward to mount and replace. No special tools, no complex assembly steps-just a quick, easy installation that saves time on production lines and during equipment maintenance. They're perfect for mass production and general machinery use, where efficiency matters.
Smooth, Quiet High-Speed Performance
We optimize raceway geometry and precision-match steel balls to keep friction torque as low as possible. This lets the bearings run steadily at medium to high speeds, with minimal heat generation and quiet operation. They're ideal for electric motors, high-speed transmission components, and noise-sensitive applications like home appliances and medical devices.
Sizes for Every Project
From tiny miniature bearings for precision instruments to large-diameter models for heavy-duty industrial equipment, ZWZ's deep groove ball bearing line covers nearly every industrial need. Whether you're working on small consumer electronics or large manufacturing machinery, you'll find the right size and specification to fit your design.
Versatile Load Handling for Any Design
These bearings are engineered to support radial loads, and can also handle axial forces in both directions. If you increase the radial internal clearance, they function similarly to angular contact ball bearings, able to carry even larger axial loads-adding extra flexibility to your equipment design.
Common ZWZ Models & Key Specifications
|
Model |
Bore d (mm) |
Outer D (mm) |
Width B (mm) |
Dynamic Load Cr (N) |
Static Load C0r (N) |
Grease Limiting Speed (rpm) |
|
6200 |
10 |
30 |
9 |
6500 |
3000 |
24000 |
|
6201 |
12 |
32 |
10 |
6500 |
3000 |
22000 |
|
6202 |
15 |
35 |
11 |
8000 |
4000 |
19000 |
|
6203 |
17 |
40 |
12 |
9100 |
5000 |
17000 |
|
6204 |
20 |
47 |
14 |
13000 |
6700 |
15000 |
|
6205 |
25 |
52 |
15 |
14300 |
8000 |
12000 |
|
6206 |
30 |
62 |
16 |
19500 |
11300 |
10000 |
|
6000 |
10 |
26 |
8 |
4560 |
1960 |
24000 |
|
6302 |
15 |
42 |
13 |
10500 |
4940 |
17000 |
Where ZWZ Deep Groove Ball Bearings Excel
Industrial Machinery
We supply these bearings for general machinery, transmission shafts, gearboxes, machine tools, and automated production lines. They deliver stable radial and axial support to keep your equipment running smoothly, 24/7, even in demanding manufacturing environments.
01
Motors & Power Equipment
Ideal for industrial motors, servo motors, fans, water pumps, air compressors, and gear reducers. They meet strict requirements for low noise, high speed, and long service life, ensuring your power systems operate reliably day after day.
02
Automotive & Transportation
Used in wheel hub assemblies, gearboxes, steering systems, air conditioning compressors, and wiper motors. They handle complex alternating loads while supporting lightweight, high-reliability automotive design, meeting the strict standards of the automotive industry.
03
Home Appliances & Consumer Electronics
From washing machines, air conditioners, and refrigerators to printers, copiers, and power tools, these bearings balance quiet operation, long life, and cost efficiency for everyday devices that millions of people rely on.
04
Precision Instruments & Medical Equipment
Perfect for precision measuring tools, medical devices (like monitors and small pumps), optical instruments, and office equipment. They provide stable support for high rotation accuracy and low vibration/noise requirements, critical for precision-driven applications.
05
Textile & Light Industry Machinery
Suitable for textile machines, knitting equipment, printing presses, packaging lines, and food processing machinery. They perform reliably in dusty, humid, or mildly corrosive working environments, keeping production lines running smoothly.
06
Agricultural & Construction Machinery
Used in harvesters, tractors, irrigation systems, and small construction equipment. With strong shock load resistance and contamination protection, they thrive in harsh outdoor conditions, where reliability is non-negotiable.
07
Power Tools & Small Drives
Great for electric drills, grinders, screwdrivers, small conveyors, automated assembly lines, and robot joints. They meet high-speed, high-rigidity, and impact-resistant performance needs for heavy-duty small tools, ensuring durability on the job.
08