61811-2RS1
618 & 619 Series Thin Section Bearings
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61811-2RS1 Bearing Product Overview & Core Advantages
The 61811-2RS1 is a metric single row deep groove ball bearing designed for high-performance applications requiring compact design and reliable operation. This sealed bearing excels in handling radial loads and offers a high limiting speed of 5,300 rpm. Its construction from chrome steel and inclusion of stainless steel cage ensure durability and corrosion resistance. Pre-lubricated with grease, it provides long service life and is ideal for applications demanding high precision and minimal maintenance.
61811-2RS1 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 61811 | Basic series designation for a metric single row deep groove ball bearing. |
| 2RS1 | Indicates the bearing is fitted with two contact seals (RS1 type) on both sides, providing excellent protection against contamination and retention of lubricant. |
61811-2RS1 Bearing Structural Features & Performance Benefits
Robust Construction: Manufactured from high-grade chrome steel rings and balls, combined with a stainless steel cage, this bearing offers high strength and resistance to wear.
Superior Sealing: The 2RS1 contact seals effectively shield the internal components from dust, moisture, and other contaminants, making the bearing suitable for harsh environments and contributing to its maintenance-free characteristics.
High-Speed Capability: The optimized internal geometry and grease lubrication allow for a high limiting speed, enabling efficient operation in demanding applications.
Precision & Reliability: Manufactured to P6 tolerance class and standard CN radial internal clearance, this bearing ensures consistent performance, smooth running, and high precision.
61811-2RS1 Bearing Typical Application Areas
This versatile bearing is commonly found in:
- Electric Motors and Small Gearboxes
- Pumps and Compressors
- Material Handling Equipment
- Agricultural Machinery
- Automotive Components (e.g., alternators, starters)
- Various Industrial Machinery requiring a compact bearing size
