6221-2RS1
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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6221-2RS1 Bearing Product Overview & Core Advantages
The 6221-2RS1 is a metric single row deep groove ball bearing engineered for high-performance applications requiring reliable radial load capacity and robust sealing. Featuring integrated seals (2RS1) and pre-lubricated with grease, this bearing delivers exceptional protection against contamination and offers long-term, maintenance-free operation. Manufactured to P6 tolerance class, it ensures high running accuracy, making it an ideal choice for demanding industrial environments where precision and durability are critical.
Model Code Breakdown
| Prefix/Suffix | Technical Meaning | Benefit |
|---|---|---|
| 62 | Deep Groove Ball Bearing Series | Standard design for high versatility and radial load capacity. |
| 21 | Bore Diameter Code (105 mm) | Specifies the internal diameter for shaft fitting. |
| 2RS1 | Contact Seals on Both Sides | Provides superior sealing effectiveness against contaminants like dust and moisture, ensuring longer service life. |
6221-2RS1 Bearing Structural Features & Performance Benefits
Optimized Deep Groove Raceway: The single row design with deep, continuous raceways is engineered to support high radial dynamic load ratings (31,473 lbf) and moderate axial loads in both directions.
Superior Sealing Solution: The 2RS1 contact seals, made from synthetic rubber, effectively retain lubricant and exclude harmful contaminants, enabling reliable operation in harsh conditions.
High-Precision Components: Constructed from chrome steel rings and balls with a stainless steel cage, the bearing offers high strength, corrosion resistance, and stable operation at limiting speeds up to 2,200 rpm.
Pre-Lubricated & Ready-to-Use: Filled with high-quality grease, the bearing operates seamlessly within a temperature range of -30°C to 120°C, providing immediate installation and reduced maintenance needs.
6221-2RS1 Bearing Typical Application Areas
The 6221-2RS1 is widely used in various industrial sectors due to its robust sealing and reliable performance. Key applications include:
- Electric Motors and Generators
- Industrial Gearboxes and Transmissions
- Material Handling Equipment (Conveyors, Pulleys)
- Agricultural Machinery
- Pumps and Fans
