61912-2RS1
618 & 619 Series Thin Section Bearings
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61912-2RS1 Bearing Product Overview & Core Advantages
The 61912-2RS1 is a metric single row deep groove ball bearing designed for exceptional performance in compact spaces. Engineered with sealed construction and manufactured to P6 tolerance class, this bearing offers high precision and reliable operation. Its primary advantage lies in its ability to handle radial loads efficiently while providing excellent rotational accuracy. The combination of a stainless steel cage, high-grade chrome steel components, and factory-applied grease lubrication ensures long service life and consistent performance, making it ideal for applications demanding high reliability and minimal maintenance.
61912-2RS1 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 61912 | Basic designation for a metric single row deep groove ball bearing with a 60mm bore, 85mm OD, and 13mm width. |
| 2RS1 | Indicates the bearing is fitted with two rubber contact seals (RS) on both sides. The "1" suffix often denotes a specific seal design, providing effective protection against contaminants and retaining lubricant. |
61912-2RS1 Bearing Structural Features & Performance Benefits
- Robust Sealing: The 2RS1 rubber contact seals provide superior protection against dust, moisture, and other contaminants, significantly extending bearing life and enabling use in harsh environments. They also effectively retain the factory-applied grease.
- High Precision & Rigidity: Manufactured to P6 tolerance class, this bearing ensures precise running and high dimensional stability, contributing to reduced vibration and noise in the application.
- Optimized Load Capacity: The deep groove raceway and high-quality chrome steel construction enable efficient handling of radial dynamic loads up to 3709 lbf and radial static loads up to 2698 lbf.
- Maintenance-Free Operation: The combination of effective sealing and pre-applied grease lubrication creates a maintenance-free unit for the life of the bearing under normal operating conditions within its specified temperature range of -30°C to 120°C.
- High-Speed Capability: The lightweight stainless steel cage and optimized internal geometry allow for a limiting speed of 4,500 rpm, suitable for a wide range of high-speed applications.
61912-2RS1 Bearing Typical Application Areas
This sealed, precision ball bearing is widely used in various industries and equipment, including:
- Electric Motors and small generators
- Industrial Gearboxes and transmission systems
- Pumps and compressors
- Material Handling Equipment (e.g., conveyor rollers)
- Agricultural Machinery
- Automotive Components (e.g., alternators, idler pulleys)
