6311-2ZJ
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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6311-2ZJ Bearing Product Overview & Core Advantages
The 6311-2Z J is a single row deep groove ball bearing featuring integral shielded protection. Engineered for radial load applications, this metric bearing delivers reliable performance in a compact design. Its key advantages include robust construction using chrome steel components, making it suitable for various industrial applications requiring consistent operation and moderate speed capabilities. The bearing comes with standard ABEC 1 | ISO P0 tolerance and CN clearance for general purpose use.
6311-2ZJ Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Significance |
|---|---|---|
| 6311 | Basic bearing designation | Defines standard dimensions: 55mm bore, 120mm OD, 29mm width |
| 2Z | Double shielded (both sides) | Provides contamination protection while maintaining low friction |
| J | Pressed steel cage design | Offers cost-effective solution with good strength characteristics |
6311-2ZJ Bearing Structural Features & Performance Benefits
Deep Groove Geometry: The optimized raceway design enables efficient handling of radial loads and moderate axial loads in both directions, providing versatile load capacity.
Shielded Protection: The double shielded (2Z) construction effectively prevents contaminant ingress while minimizing friction torque, extending service life in contaminated environments.
Chrome Steel Construction: All critical components including rings, balls, and cage are manufactured from chrome steel, ensuring consistent hardness, wear resistance, and dimensional stability.
Dynamic Performance: With a radial dynamic load rating of 16,096 lbf and limiting speed of 5,600 rpm, this bearing delivers reliable performance for continuous operation in demanding conditions.
6311-2ZJ Bearing Typical Application Areas
- Electric Motors - Main shaft support in industrial motors and generators
- Industrial Gearboxes - Power transmission systems requiring reliable radial support
- Material Handling Equipment - Conveyor systems, pulley assemblies, and rollers
- Agricultural Machinery - Implement drives and power take-off units
- Industrial Pumps & Fans - Rotating shaft applications in fluid handling systems
- General Machinery - Various industrial equipment requiring standard precision bearings
