61902-2RZ
618 & 619 Series Thin Section Bearings
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Basic Information
Main Dimensions
Performance
Materials
Environment & Compliance
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61902-2RZ Bearing Product Overview & Core Advantages
The 61902-2RZ is a metric single row deep groove ball bearing designed for precision applications requiring high reliability. Featuring integrated seals (2RZ) and pre-lubricated with grease, this bearing offers excellent protection against contamination while maintaining optimal performance. Its compact design with a 15mm bore provides exceptional radial load capacity and smooth operation, making it ideal for applications where space constraints and consistent performance are critical. Manufactured to P6 tolerance class, it ensures precise running accuracy and minimal vibration.
61902-2RZ Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Benefit |
|---|---|---|
| 61902 | Deep groove ball bearing series with 15mm bore | Standard dimension compatibility |
| 2RZ | Non-contact rubber seals on both sides | Effective contamination protection with minimal friction |
61902-2RZ Bearing Structural Features & Performance Benefits
Precision Engineering: Manufactured to P6 tolerance class with CN radial clearance, ensuring high running accuracy and reduced vibration levels for sensitive applications.
Superior Sealing: The 2RZ non-contact rubber seals provide excellent protection against dust and moisture while maintaining low torque characteristics, contributing to the 28,000 rpm limiting speed.
Robust Material Construction: Utilizing chrome steel rings and balls with stainless steel cage for enhanced durability and corrosion resistance in demanding environments.
Optimized Load Capacity: With a dynamic radial load rating of 980 lbf and static radial load rating of 504 lbf, this bearing delivers reliable performance under significant radial loads.
Temperature Resilience: Operating temperature range of -30°C to 120°C with pre-applied grease lubrication ensures consistent performance across various environmental conditions.
61902-2RZ Bearing Typical Application Areas
- Small Electric Motors: Ideal for compact motor designs requiring high-speed operation and reliable sealing
- Precision Instruments: Suitable for medical devices, optical equipment, and measuring instruments where vibration control is critical
- Office Automation Equipment: Used in printers, scanners, and copiers for smooth, quiet operation
- Automotive Components: Applications in small pumps, actuators, and auxiliary systems requiring sealed bearing solutions
- Industrial Tools: Small power tools and handheld equipment where space optimization and contamination protection are essential
