6311 N
6300 Series Snap Ring Bearings
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Part No.
Part No.
6311 N
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
1.41 kg
Tolerance class
P6
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
55 mm
Bore diameter tolerance
-0.012mm to 0
Outside diameter
120 mm
Outside diameter tolerance
-0.013mm to 0
Width
29 mm
Width tolerance
-0.15mm to 0
Outer Ring Dimensions
Outer ring locating feature
Snap Ring Groove
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
16658 lbf
Radial static load rating
10116 lbf
Limiting speed
8 X 1000 rpm
Lubrication
None
Radial internal clearance
CN
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Stainless Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 19.57
/ each
In Stock
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6311 N Bearing Product Overview & Core Advantages
The 6311 N is a single row deep groove ball bearing engineered for exceptional radial load capacity and high-speed operation. This precision bearing features a snap ring groove on its outer ring, enabling secure axial location within a housing without complex machining. Manufactured to P6 tolerance class, it delivers superior running accuracy, making it ideal for applications demanding high reliability and rotational precision. Its open design allows for versatile lubrication options, optimizing performance across various operating conditions.
6311 N Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 6311 | Standard bearing series designation, indicating a medium series bearing with a 55mm bore. |
| N | Signifies a snap ring groove on the outer ring for simplified axial location. |
6311 N Bearing Structural Features & Performance Benefits
- High Radial Load Capacity: The optimized deep groove raceway and chrome steel construction enable a high dynamic load rating of 16,658 lbf, ensuring durability under significant radial stresses.
- Snap Ring Groove for Secure Mounting: The outer ring groove accommodates a snap ring, providing a cost-effective and space-saving solution for axial location, enhancing assembly stability.
- High-Speed Capability: The combination of a stainless steel cage and precision P6 tolerances allows for a high limiting speed of 8,000 rpm, suitable for demanding rotational applications.
- Precision & Reliability: Manufactured to P6 tolerance class with standard CN radial internal clearance, this bearing offers consistent, high-precision performance with minimal runout.
- Versatile Lubrication: The open seal type allows for the use of various greases or oils, enabling performance optimization for specific temperature ranges (-30°C to 120°C) and operating environments.
6311 N Bearing Typical Application Areas
- Electric Motors and Generators
- Gearboxes and Transmission Systems
- Industrial Pumps and Compressors
- Material Handling Equipment
- Agricultural Machinery
- General Industrial Machinery requiring reliable radial support and simplified housing design.
