High Precision 625ZZ Miniature Quality Deep Groove Ball Bearing
The 625ZZ P6 grade bearings are widely applicable to micro-motors, small household appliances and other equipment that have requirements for space and precision,
Item No :
625ZZSize (d*D*B) :
5x16x5mmMaterial :
chrome steelPrecision :
P6Lead Time :
3-5 working daysHigh Precision 625ZZ Miniature Quality Deep Groove Ball Bearing
⚙️Product core parameters:
Material: Generally, GCr15 (52100 chrome steel) is used as the material for the retaining ring and ball, while the cage is usually made of stamped steel or stainless steel. The dust cover of some products uses 300 series stainless steel.
Load capacity: Different brands have slightly different parameters. The basic rated dynamic load is approximately 1.14 - 1.83KN, and the basic rated static load is approximately 0.38 - 0.67KN. It mainly withstands radial loads, and can also withstand small axial loads in both directions.
Speed and temperature: Lip lubrication conditions generally limit the maximum speed to 30,000 - 60,000 r/min; the working temperature range is usually -20℃ - 120℃, which is suitable for most conventional conditions.
High precision and low noise: The P6 level accuracy is combined with high-quality steel and precise processing technology. The radial runout and other errors are extremely small, resulting in low vibration and noise during operation, meeting the silent requirements of miniature precision equipment.
Low maintenance cost: The sealing design of the metal dust-proof covers on both sides reduces the wear of the internal structure by external contaminants. After pre-filling with lubricating grease, it requires almost no additional maintenance under normal working conditions.
Compact structure and strong adaptability: The miniature size enables it to easily fit into equipment with limited space. As a universal miniature bearing, it has strong interchangeability and can be used in scenarios where multiple brands of similar products need to be replaced.
| Model No. | d | D | H | m | Model No. | d | D | H | m | |
| 623-2Z | 3 mm | 10 mm | 4 mm | 1 g | 628/7-2Z | 7 mm | 14 mm | 5 mm | 3.1 g | |
| 628/4-2Z | 4 mm | 9 mm | 3.5 mm | 1 g | E2.627-2Z | 7 mm | 22 mm | 7 mm | 13 g | |
| 624-2Z | 4 mm | 13 mm | 5 mm | 4 g | 627-2Z | 7 mm | 22 mm | 7 mm | 12 g | |
| 628/5-2Z | 5 mm | 11 mm | 4 mm | 1.4 g | 628/8-2Z | 8 mm | 16 mm | 5 mm | 3.6 g | |
| 625-2Z | 5 mm | 16 mm | 5 mm | 5 g | E2.628-2Z | 8 mm | 24 mm | 8 mm | 17 g | |
| E2.625-2Z | 5 mm | 16 mm | 5 mm | 5 g | 628-2Z | 8 mm | 24 mm | 8 mm | 18 g | |
| 628/6-2Z | 6 mm | 13 mm | 5 mm | 2.6 g | 628/9-2Z | 9 mm | 17 mm | 5 mm | 4.3 g | |
| E2.626-2Z | 6 mm | 19 mm | 6 mm | 8.4 g | E2.629-2Z | 9 mm | 26 mm | 8 mm | 20 g | |
| 626-2Z | 6 mm | 19 mm | 6 mm | 8 g | 629-2Z | 9 mm | 26 mm | 8 mm | 21 g |
This bearing, with its compact size and high precision, is commonly used in small household appliances such as the drive wheels of vacuum cleaners and the fans of air fryers; in miniature motors such as the shaft motors of TWS headphones and the cooling fans of vehicle chargers; in 3C product inspection instruments and joint parts of collaborative robots in the industrial field; and also in printers, small conveyors and other light-load precision machinery.
| 1. Keep clean | 2. Use with caution | 3. appropriate tool | 4. Hot-loading | 5. Be careful of rust |
| Dust will have a bad effect on the bearing, so keep the surrounding clean. | Strong impact during use can easily cause scratches and indentations. | Avoid replacing existing tools, and use appropriate tools. | Bearings are precision parts, so hot installation is recommended. | Sweat on your hands during operation will cause rust, so it is best to wear gloves. |
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