6021
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Basic Information
Main Dimensions
Performance
Materials
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6021 Bearing Product Overview & Core Advantages
The 6021 single row deep groove ball bearing represents a fundamental precision bearing solution designed for robust radial load applications. Engineered with a metric system and manufactured to ABEC-1 tolerance class, this bearing delivers reliable performance and dimensional consistency. Its open design ensures versatility across various industrial environments, while the high-grade chrome steel construction provides excellent durability and wear resistance. This bearing is characterized by its high limiting speed and substantial dynamic and static load ratings, making it a dependable choice for demanding mechanical systems.
6021 Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Technical Specification |
|---|---|
| 60 | Deep Groove Ball Bearing Series |
| 21 | Bore Diameter Code (105 mm) |
| Open | No Seals or Shields (Requires External Lubrication) |
| ABEC-1 | Precision Tolerance Class |
| CN | Normal Radial Internal Clearance |
6021 Bearing Structural Features & Performance Benefits
The 6021 bearing features a single row design with deep, uninterrupted raceways that provide optimal load distribution. The stainless steel cage ensures precise ball guidance and contributes to stable operation at high rotational speeds. Key performance advantages include:
- High Load Capacity: Engineered to handle significant radial dynamic load rating of 16,254 lbf and radial static load rating of 14,792 lbf
- Optimized Speed Performance: Stainless steel cage construction enables reliable operation at limiting speeds up to 4,000 rpm
- Precision Engineering: Manufactured to ABEC-1 tolerance standards with controlled bore diameter tolerance and outside diameter tolerance for consistent fit and performance
- Material Excellence: Chrome steel rings and balls provide superior hardness and fatigue resistance, while the stainless steel cage offers corrosion resistance
6021 Bearing Typical Application Areas
The 6021 metric bearing finds extensive application across multiple industries due to its robust construction and reliable performance characteristics:
- Electric Motors and Generators: Ideal for main shaft support in industrial motors
- Industrial Gearboxes: Provides reliable power transmission in reduction gear units
- Material Handling Equipment: Suitable for conveyor systems and pulley assemblies
- Agricultural Machinery: Used in implement drives and PTO shafts
- Industrial Pumps and Compressors: Supports rotating elements in fluid handling systems
