The 638/5-2Z Bearing 5x11x5 mm is a miniature deep groove ball bearing, perfect for applications requiring compact and efficient components. This particular bearing, available under SKU 63852Z-ECO, belongs to our extensive range of high-precision bearings. With a bore diameter of 5 mm, an outer diameter of 11 mm, and a width of 5 mm, it is engineered for use in high-speed and high-precision environments. Its typical industrial applications include use in small motors and precision instruments.
Technical specifications
| Specification | Value |
| Bore diameter (d) | 5 mm |
| Outer diameter (D) | 11 mm |
| Width (B) | 5 mm |
| Basic dynamic load rating (C) | 1.03 kN |
| Basic static load rating (C0) | 0.39 kN |
| Limiting speed | 45,000 rpm |
| Shielding / Sealing | ZZ |
| Ring material | Chrome steel 100Cr6 |
| Precision class | P0 / ABEC-1 |
| Internal clearance | CN |
Technical advantages
The 638/5-2Z Bearing offers several technical advantages that make it suitable for demanding applications:
- Capable of continuous operation at speeds up to 45,000 rpm due to optimized internal geometry.
- Manufactured from heat-treated 100Cr6 chrome steel, ensuring a rolling-contact fatigue life >107 cycles.
- Standard CN radial clearance is ideal for assemblies without preload, ensuring smooth operation.
- Equipped with ZZ shielding, providing effective protection against dust and other contaminants.
- Precision class P0 / ABEC-1 guarantees adherence to industry-standard tolerances for miniature bearings.
Typical applications
This bearing is widely used across various industries and applications, including:
- Measurement and laboratory instruments such as optical encoders and electronic micrometers.
- Aeromodelling and drones, specifically in brushless motors and planetary gearboxes.
- Dental equipment like turbines and micromotors, where precision is critical.
- Precision robotics, including harmonic drive reducers and cardan joints.
- Medical devices, notably in peristaltic pumps and microscopes.
Availability and ordering
Eurobearing.eu specializes in providing high-precision bearings like the 638/5-2Z Bearing with immediate availability. For bulk orders or specific inquiries regarding SKU 63852Z-ECO, you can request a quotation directly through our platform. Add to cart or request a quotation to secure your order today.
