6311-2RSNRJEM
6300 Series Snap Ring Bearings
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Part No.
Part No.
6311-2RSNRJEM
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:
$ 25.27
/ each
In Stock
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6311-2RSNRJEM Bearing Product Overview & Core Advantages
The 6311-2RSNRJEM is a single row deep groove ball bearing designed for exceptional reliability in demanding applications. Engineered with Chrome Steel rings and balls, this sealed bearing offers robust radial load capacity and is pre-configured with a snap ring on the outer ring for simplified axial location and secure mounting. Its ABEC 1 | ISO P0 tolerance and standard CN radial clearance ensure consistent performance, making it a versatile and dependable choice for a wide range of industrial machinery.
6311-2RSNRJEM Bearing Model Code Explained, Specifications & Naming Convention
The model number 6311-2RSNRJEM is decoded as follows:
- 6311: Standard designation for a single row deep groove ball bearing with a 55mm bore, 120mm OD, and 29mm width.
- 2RS: Signifies that the bearing is fitted with contact seals on both sides. These seals provide superior protection against contaminants and retain lubricant.
- NR: Indicates the bearing features a snap ring groove on the outer ring.
- JEM: This suffix combination typically refers to a specific internal design and clearance group (CN). The "EM" may denote optimized internal geometry.
6311-2RSNRJEM Bearing Structural Features & Performance Benefits
- Robust Construction & High Load Capacity: Manufactured from high-grade Chrome Steel, this bearing delivers a high dynamic load rating of 16,096 lbf and a static load rating of 10,116 lbf, ensuring durability under significant radial loads.
- Enhanced Contamination Protection: The 2RS double-contact seals effectively shield the internal components from dust, moisture, and other contaminants, significantly extending service life in harsh environments.
- Simplified Assembly and Axial Location: The integrated snap ring (NR) on the outer ring allows for easy axial positioning within a housing, reducing the need for complex housing designs and simplifying the assembly process.
- Standardized Precision: Built to ABEC 1 | ISO P0 tolerance class, this bearing provides reliable, consistent operation for general industrial applications.
6311-2RSNRJEM Bearing Typical Application Areas
This bearing is ideally suited for applications requiring reliable performance, contamination resistance, and easy mounting. Common uses include:
- Electric Motors and Generators
- Industrial Gearboxes
- Material Handling Equipment (Conveyors, Pulleys)
- Agricultural Machinery
- Pumps and Fans
