The 628/7 2Z W4 Bearing 7x14x4 mm is a miniature deep groove ball bearing designed for precision applications. With its compact dimensions of 7 mm bore diameter, 14 mm outer diameter, and 4 mm width, this bearing is ideal for space-constrained industrial environments. This specific bearing is part of the deep groove ball bearings category and is commonly utilized in high-speed and light-load applications. The product code for this bearing is 62872ZW4-ECO, ensuring easy identification and compatibility with various systems.
Technical specifications
| Specification | Value |
| Bore diameter (d) | 7 mm |
| Outer diameter (D) | 14 mm |
| Width (B) | 4 mm |
| Shielding / Sealing | ZZ |
| Ring material | Chrome steel 100Cr6 |
| Precision class | P0 / ABEC-1 |
| Limiting speed | 40,000 rpm |
| Factory lubrication | Lithium grease |
| Internal clearance | CN |
Technical advantages
Designed for precision and durability, the 628/7 2Z W4 Bearing offers several technical benefits:
- High limiting speed of up to 40,000 rpm, supporting fast operations in compact applications.
- Manufactured from heat-treated 100Cr6 chrome steel, ensuring high rolling-contact fatigue life.
- Standard CN radial clearance, suitable for assemblies without preload.
- ZZ shielding provides fundamental protection against dust and particulate ingress.
- Factory lubricated with lithium grease, optimizing performance for extended periods without additional maintenance.
Typical applications
The 628/7 2Z W4 Bearing is widely used across various precise and demanding industries:
- Measurement and laboratory instruments, such as optical encoders and electronic micrometers.
- Aeromodelling and drones, particularly in brushless motors and planetary gearboxes.
- Dental equipment, including turbines and micromotors.
- Precision robotics, like harmonic drive reducers and cardan joints.
- Medical devices, such as peristaltic pumps and lung ventilators.
Availability and ordering
Eurobearing.eu is your specialized B2B supplier for the 62872ZW4-ECO bearing, with fast availability ensuring minimal downtime for your operations. For larger orders or specific inquiries, request a quote for bulk quantities. Visit our online store to add this bearing to your cart or to ask for a quotation.
