6311-Open
6300 SeriesOpenGDQV 6311-Open deep groove ball bearing, 55×120×29mm, open type (no seal or shield), for special applications requiring frequent maintenance. Dynamic load rating 71.65kN, static load rating 45kN. Suitable for electric motors, water pumps, agricultural machinery, and general industrial applications.
Technical Drawing
Technical Specifications
| Bore (d) | 55 mm |
| Outer Diameter (D) | 120 mm |
| Width (B) | 29 mm |
| Dynamic Load (C) | 71.65 kN |
| Static Load (C₀) | 45 kN |
| Limiting Speed (Grease) | 5,600 rpm |
| Limiting Speed (Oil) | 6,700 rpm |
| Internal Clearance | Please contact sales for confirmationPending confirmation |
| Material | Please contact sales for confirmationPending confirmation |
| Precision Grade | Please contact sales for confirmationPending confirmation |
Key Features
- Standard dimensions: 55mm bore × 120mm OD × 29mm width
- Open type for contamination protection
- Dynamic load rating: 71.65kN | Static load rating: 45kN
- Grease speed limit: 5,600 r/min | Oil speed limit: 6,700 r/min
- Bearing steel, internal clearance and precision grade pending
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