6311-2ZNRJEM
6300 Series Snap Ring Bearings
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Part No.
Part No.
6311-2ZNRJEM
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
1350 g
Tolerance class
ABEC 1 | ISO P0
Seal type
Shielded
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:
$ 33.03
/ each
In Stock
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6311-2ZNRJEM Bearing Product Overview & Core Advantages
The 6311-2ZNRJEM is a single row deep groove ball bearing engineered for high reliability in demanding applications. Its core advantage lies in its ability to efficiently handle radial loads while offering a compact design. The integrated snap ring on the outer ring simplifies axial location within the housing, enhancing assembly precision and system rigidity. Manufactured to ABEC 1 | ISO P0 tolerance standards, this bearing ensures consistent performance and is an ideal choice for applications requiring robust and dependable operation.
6311-2ZNRJEM Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning |
|---|---|
| 2Z | Non-contact steel shields on both sides. Provides effective protection against contamination while minimizing friction. |
| NR | Snap ring groove on the outer ring. This feature allows for simplified axial location and secure mounting in the housing. |
| JEM | A manufacturer-specific designation for the cage and material specification, indicating a chrome steel cage for strength and durability. |
6311-2ZNRJEM Bearing Structural Features & Performance Benefits
- Robust Construction & High Load Capacity: The single row deep groove raceway and components made entirely from chrome steel provide a high radial dynamic load rating of 16,096 lbf and a static load rating of 10,116 lbf, ensuring longevity under significant stress.
- Simplified Assembly & Enhanced Rigidity: The snap ring (fitted) eliminates the need for complex housing shoulders, reducing part count and assembly time. This design contributes to a more rigid and stable system.
- Contamination Protection: The 2Z non-contact shields effectively protect the bearing's interior from dust and debris, extending service life without a significant impact on the limiting speed.
- Standardized Precision: Conformance to ABEC 1 | ISO P0 tolerance class and standard CN radial internal clearance guarantees predictable performance and interchangeability.
6311-2ZNRJEM Bearing Typical Application Areas
This bearing is well-suited for a wide range of industrial machinery where reliability and ease of installation are paramount. Key application areas include:
- Electric Motors
- Gearboxes and Transmission Systems
- Industrial Pumps and Compressors
- Material Handling Equipment
- Agricultural Machinery
