The SKF 619/7 2Z bearing is a miniature deep groove ball bearing designed for applications requiring compact dimensions and high-performance characteristics. With bore, outer, and width dimensions of 7x17x5 mm, this bearing is engineered to support both radial and axial loads. Its design makes it suitable for use in small precision instruments and high-speed applications. As a component of SKF’s esteemed product line, the 619/7 2Z provides efficient operation in various industrial environments.
Technical specifications
| Specification | Value |
| Bore diameter (d) | 7 mm |
| Outer diameter (D) | 17 mm |
| Width (B) | 5 mm |
| Basic dynamic load rating (C) | 1.28 kN |
| Basic static load rating (C0) | 0.475 kN |
| Limiting speed | 45,000 rpm |
| Cage type | Pressed steel |
| Shielding | 2Z (Double shielded) |
| Ring material | Chrome steel 100Cr6 |
| Precision class | P0 / ABEC-1 |
| Internal clearance | CN (Normal) |
Technical advantages
The SKF 619/7 2Z bearing offers several technical advantages, making it a preferred choice for demanding applications:
- Compact 7x17x5 mm dimensions facilitate use in space-constrained assemblies.
- Double shielded (2Z) design provides effective protection against contamination, reducing maintenance requirements.
- Capable of sustaining high speeds up to 45,000 rpm, suitable for high-velocity applications.
- Chrome steel rings ensure a rolling-contact fatigue life exceeding 107 cycles, enhancing operational longevity.
- Standard CN radial clearance optimizes performance in assemblies without preload, ensuring smooth motion.
Typical applications
The SKF 619/7 2Z bearing is versatile, finding applications across various industries, including:
- Measurement and laboratory instruments (optical encoders, electronic micrometers)
- Aeromodelling and drones (brushless motors, planetary gearboxes)
- Dental equipment (turbines, contra-angles, micromotors)
- Precision robotics (harmonic drive reducers, cardan joints)
- Medical devices (peristaltic pumps, lung ventilators, microscopes)
Availability and ordering
Eurobearing.eu is your specialized B2B supplier for the SKF 619/7 2Z bearing, offering fast availability and the option to request a quote for bulk quantities. Add this bearing to your cart or contact us for a quotation to meet your specific requirements.

