61900-2Z
618 & 619 Series Thin Section Bearings
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61900-2Z Bearing Product Overview & Core Advantages
The 61900-2Z is a miniature deep groove ball bearing designed for precision applications requiring compact dimensions and reliable performance. Featuring single row construction and shielded protection (2Z), this metric bearing delivers excellent radial load capacity while maintaining high rotational accuracy. Its P6 tolerance class ensures precise operation, making it ideal for applications demanding minimal runout and smooth operation. The pre-lubricated design with grease lubrication provides immediate operation readiness and long-term reliability in various operating conditions.
61900-2Z Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Benefit |
|---|---|---|
| 61900 | Miniature deep groove ball bearing series with 10mm bore | Compact design for space-constrained applications |
| 2Z | Double-sided steel shields | Effective contamination protection while maintaining low torque |
61900-2Z Bearing Structural Features & Performance Benefits
High Precision Construction: Manufactured to P6 tolerance class with CN radial clearance, ensuring precise shaft positioning and minimal vibration in precision mechanisms.
Optimized Load Capacity: The deep groove raceway design enables efficient handling of radial loads up to 607 lbf dynamic rating, while the chrome steel construction provides excellent durability and wear resistance.
Enhanced Contamination Protection: Double-sided steel shields (2Z) effectively exclude contaminants while maintaining low friction operation, extending bearing service life in challenging environments.
High-Speed Capability: The stainless steel cage and optimized internal geometry support operation at limiting speeds up to 36,000 rpm, making it suitable for high-speed applications.
Maintenance-Free Operation: Factory-pre-lubricated with high-quality grease, providing reliable operation across the entire temperature range of -30°C to 120°C without requiring additional lubrication.
61900-2Z Bearing Typical Application Areas
- Precision Instruments: Optical encoders, measuring devices, and laboratory equipment requiring high rotational accuracy
- Small Motors: Stepper motors, DC micromotors, and spindle motors in compact electronic devices
- Office Automation: Printers, scanners, and copiers where reliable, quiet operation is essential
- Medical Devices: Dental handpieces, surgical tools, and diagnostic equipment requiring miniature precision bearings
- Robotics & Automation: Small robotic joints, linear actuators, and precision positioning systems
- Consumer Electronics: Computer cooling fans, drone motors, and small appliance mechanisms
