The SKF 628/7-2Z Bearing is a miniature deep groove ball bearing, designed for precision applications where space constraints are critical. With dimensions of 7 mm bore diameter, 14 mm outer diameter, and 5 mm width, this bearing is suitable for various industrial applications requiring compact and efficient load handling. The SKF 628/7-2Z is particularly utilized in environments where reliability in small-scale machinery is paramount.
Technical specifications
| Specification | Value |
| Bore diameter (d) | 7 mm |
| Outer diameter (D) | 14 mm |
| Width (B) | 5 mm |
| Basic dynamic load rating (C) | 1.1 kN |
| Basic static load rating (C0) | 0.395 kN |
| Limiting speed | 80,000 rpm |
| Cage type | Pressed steel |
| Shielding / Sealing | ZZ (double shielded) |
| Operating temperature range | -30°C to +120°C |
| Ring material | Chrome steel 100Cr6 |
| Factory lubrication | Greased |
Technical advantages
The SKF 628/7-2Z Bearing offers several technical advantages that enhance its performance in specialized applications:
- Miniaturized design allows continuous operation at speeds up to 80,000 rpm, ideal for high-speed applications.
- Constructed from heat-treated 100Cr6 chrome steel, supporting rolling-contact fatigue life exceeding 107 cycles.
- Standard CN radial clearance, optimized for assemblies without preload, ensuring smooth operation.
- Double shielding (ZZ) provides effective protection against dust and light water splashes, extending operational reliability.
- Factory greased to reduce initial friction and wear, enhancing the bearing’s efficiency from the first operation.
Typical applications
The SKF 628/7-2Z Bearing is widely used across various precise and demanding industries:
- Measurement and laboratory instruments such as optical encoders and electronic micrometers.
- Aeromodelling and drones, including brushless motors and planetary gearboxes.
- Dental equipment, particularly in turbines and contra-angles.
- Precision robotics applications like harmonic drive reducers and cardan joints.
- Medical devices, including peristaltic pumps and lung ventilators.
Availability and ordering
Eurobearing.eu is your specialized B2B supplier for the SKF 628/7-2Z Bearing. This item is readily available for fast shipping and can be ordered directly from our catalog. For bulk orders, please request a quotation to benefit from tailored pricing. Add this bearing to your cart today or contact us for more information.
