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6211DDU NSK Deep Groove Ball Bearing is a single-row bearing known for its sealed design, providing enhanced protection against contaminants and moisture ingress. It features deep raceway grooves that enable it to accommodate both radial and axial loads efficiently. This bearing has an inner diameter of 55mm, an outer diameter of 100mm, and a width of 21mm, fitting standard shaft sizes. The DDU suffix indicates it is sealed on both sides with synthetic rubber seals, ensuring smooth operation and retaining lubrication inside the bearing. It is constructed with a steel cage and chrome steel balls, making it suitable for various industrial applications where reliability and durability are essential.
| Attribute | Specifications |
|---|---|
| Bearing Type | Deep Groove Ball Bearing |
| Brand | NSK |
| Model Number | 6211DDU |
| Inside Diameter | 55 mm |
| Outside Diameter | 100 mm |
| Width | 21 mm |
| Material | Steel Cage, Chrome Steel Balls |
| Seal Type | Double Contact Seals (DDU) |
| Dynamic Load Rating | 43.5 kN (approximately 4440 kgf) |
| Static Load Rating | 29.2 kN (approximately 2980 kgf) |
| Limiting Speed | 6,700 RPM |
| Weight | 0.607 kg |
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