619/8-2ZR
618 & 619 Series Thin Section Bearings
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619/8-2ZR Bearing Product Overview & Core Advantages
The 619/8-2ZR is a metric single row deep groove ball bearing designed for high-performance applications requiring compact design and reliable operation. This shielded bearing excels in handling radial loads efficiently while offering protection against contamination. Manufactured to ABEC 1 | ISO P0 tolerance standards, it provides consistent precision and is ideal for applications demanding high reliability and long service life in constrained spaces.
619/8-2ZR Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 619 | Series designation for extra small, thin-section deep groove ball bearings |
| 8 | Bore diameter: 8 mm |
| 2Z | Bearing with shields on both sides for contaminant protection |
| R | Typically denotes standard radial internal clearance (CN) |
619/8-2ZR Bearing Structural Features & Performance Benefits
Compact & Lightweight Design: With an outer diameter of just 19 mm and width of 6 mm, this bearing offers an excellent power density solution for space-constrained applications, weighing only 0.0071 kg.
Enhanced Contamination Protection: The double-shielded (2Z) construction effectively prevents the ingress of contaminants while allowing for high-speed operation up to 53,000 rpm.
Precision Performance: Manufactured to ABEC 1 precision class with tight dimensional tolerances (bore: -0.007mm to 0, OD: -0.008mm to 0), ensuring smooth operation and reduced vibration.
Robust Load Capacity: Features a dynamic load rating of 328 lbf and static load rating of 105 lbf, providing reliable performance under significant radial loads.
Wide Temperature Compatibility: Suitable for operating temperatures from -30°C to 120°C, making it versatile for various industrial environments.
619/8-2ZR Bearing Typical Application Areas
The 619/8-2ZR finds extensive use in precision applications including:
- Small electric motors and miniature DC motors
- Precision instruments and measuring devices
- Office automation equipment such as printers and scanners
- Medical devices and dental handpieces
- Robotics and small automation systems
- Computer cooling fans and small pumps
