6021-2RS1/W64
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Materials
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6021-2RS1/W64 Bearing Product Overview & Core Advantages
The 6021-2RS1/W64 is a single row deep groove ball bearing engineered for exceptional reliability in demanding applications. This precision bearing features integral seals and factory-filled Solid Oil lubrication, making it a robust, maintenance-free solution. Its design is optimized to support high radial loads while accommodating moderate axial loads in both directions, offering a compact and highly efficient component for a wide range of industrial machinery.
Model Code Breakdown
- 6021: Basic designation indicating a single row deep groove ball bearing with a 105mm bore and 160mm outside diameter.
- 2RS1: Designates two contact seals (one on each side) made of Nitrile Rubber (NBR), providing effective protection against contamination and moisture ingress.
- W64: Indicates the bearing is pre-lubricated with Solid Oil, a polymer matrix saturated with lubricant, ensuring long-term lubrication stability and minimal oil leakage.
6021-2RS1/W64 Bearing Structural Features & Performance Benefits
The performance of the 6021-2RS1/W64 is derived from its specific construction and material selection. The use of high-grade Chrome Steel for all bearing components (rings, balls, cage) ensures high durability and wear resistance. The contact seals (2RS1) provide superior sealing effectiveness compared to non-contact shields, significantly extending service life in contaminated environments. The integration of Solid Oil (W64) eliminates the need for re-lubrication, prevents lubricant wash-out, and maintains consistent performance across its specified temperature range of -30°C to 120°C. Manufactured to ABEC 1 | ISO P0 tolerance and standard CN radial internal clearance, it delivers reliable and smooth operation for general industrial applications.
6021-2RS1/W64 Bearing Typical Application Areas
This sealed and pre-lubricated bearing is ideally suited for applications where reliability and minimal maintenance are critical. Common uses include:
- Electric Motors and Generators
- Industrial Gearboxes and Transmission Systems
- Material Handling Equipment such as Conveyors
- Agricultural Machinery
- Pumps and Fans
