6311-2RSNR
6300 Series Snap Ring Bearings
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Part No.
Part No.
6311-2RSNR
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
1350 g
Tolerance class
ABEC 1 | ISO P0
Seal type
Sealed
For load direction
Radial
Main Dimensions
Bore diameter
55 mm
Bore diameter tolerance
-0.015mm to 0
Outside diameter
120 mm
Outside diameter tolerance
-0.015mm to 0
Width
29 mm
Width tolerance
-0.150mm to 0
Outer Ring Dimensions
Outer ring locating feature
Snap Ring (fitted)
Performance
Temperature range
-30°to 120 °C
Radial dynamic load rating
16096 lbf
Radial static load rating
10116 lbf
Limiting speed
5.6 X 1000 rpm
Lubrication
None
Radial internal clearance
CN
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Chrome Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 28.42
/ each
In Stock
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6311-2RSNR Bearing Product Overview & Core Advantages
The 6311-2RSNR is a single row deep groove ball bearing designed for exceptional performance in demanding applications. This metric bearing features an integrated snap ring on its outer ring for simplified axial location and a robust sealed construction. Its primary advantages include high radial load capacity and reliable operation, supported by a CN radial internal clearance and ABEC 1 precision, making it a versatile and durable choice for industrial machinery.
6311-2RSNR Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Advantage |
|---|---|---|
| -2RS | Contact seals on both sides | Provides excellent protection against contaminants and retains lubricant effectively. |
| NR | Snap ring groove on the outer ring | Simplifies axial positioning and bearing mounting within a housing, reducing assembly complexity. |
6311-2RSNR Bearing Structural Features & Performance Benefits
- Robust Sealed Design: The double-sided contact seals (2RS) provide superior defense against dust, moisture, and other contaminants, significantly enhancing bearing service life in harsh environments.
- High Load Capacity: Manufactured from high-grade chrome steel for both rings and balls, this bearing offers a high dynamic load rating of 16,096 lbf and a static load rating of 10,116 lbf, ensuring reliable performance under significant radial loads.
- Simplified Mounting: The integrated snap ring (NR) eliminates the need for complex housing shoulders or end caps, facilitating easier installation and more compact design solutions.
- Standard Precision & Clearance: With a CN radial internal clearance and ABEC 1 (ISO P0) tolerance class, it delivers consistent and reliable performance for a wide range of general industrial applications.
6311-2RSNR Bearing Typical Application Areas
The 6311-2RSNR is ideally suited for applications requiring reliable radial load support and simplified mounting. Common uses include:
- Electric Motors and Gearboxes
- Industrial Pumps and Compressors
- Material Handling Equipment
- Agricultural Machinery
- Conveyor Systems
