6306-ZNRJ
6300 Series Snap Ring Bearings
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Part No.
Part No.
6306-ZNRJ
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
346 g
Tolerance class
ABEC 1 | ISO P0
Seal type
Shielded
For load direction
Radial
Main Dimensions
Bore diameter
30 mm
Bore diameter tolerance
-0.01mm to 0
Outside diameter
72 mm
Outside diameter tolerance
-0.013mm to 0
Width
19 mm
Width tolerance
-0.120mm to 0
Outer Ring Dimensions
Outer ring locating feature
Snap Ring (fitted)
Performance
Temperature range
-30°to 120 °C
Radial dynamic load rating
6002 lbf
Radial static load rating
3372 lbf
Limiting speed
9.6 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:
$ 8.98
/ each
In Stock
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6306-ZNRJ Bearing Product Overview & Core Advantages
The 6306-ZNRJ is a single row deep groove ball bearing engineered for robust performance in demanding industrial applications. Its primary design focus is providing reliable radial load support, while its shielded construction offers effective contamination protection. A key distinguishing feature is the snap ring fitted on the outer ring, which simplifies axial location and bearing housing design, contributing to a more compact and secure assembly. Manufactured to ABEC 1 | ISO P0 tolerance standards, this bearing delivers consistent performance and is an excellent choice for applications requiring high reliability and ease of installation.
6306-ZNRJ Bearing Model Code Explained, Specifications & Naming Convention
The model number 6306-ZNRJ provides detailed technical specifications through its suffixes. Below is a breakdown:
- 6306: Standard designation for a metric, single row deep groove ball bearing with a 30mm bore, 72mm OD, and 19mm width.
- Z: Signifies that one side of the bearing is equipped with a shield. This non-contact metal shield retains lubrication and protects against large particulate contaminants.
- NR: Indicates that the bearing outer ring has a snap ring groove. This feature allows for axial fixation within the housing without the need for complex housing shoulders, saving space and cost.
- J: Specifies that the snap ring is supplied with the bearing, ensuring a complete and ready-to-install solution.
6306-ZNRJ Bearing Structural Features & Performance Benefits
- Simplified Axial Location: The integrated snap ring (fitted) eliminates the need for complex housing shoulders and locknuts, enabling a more compact and cost-effective design for the surrounding assembly.
- Effective Contamination Protection: The shielded design helps retain the initial lubricant and prevents the ingress of large particles, enhancing bearing service life in moderately contaminated environments.
- Robust Load Capacity: With a dynamic load rating of 6002 lbf and a static load rating of 3372 lbf, this bearing is built to handle significant radial loads, ensuring long-term operational durability.
- High-Speed Capability: The optimized internal geometry and standard CN radial clearance allow for a high limiting speed of 9,600 rpm, making it suitable for a wide range of industrial speeds.
- Precision & Consistency: Manufactured to ABEC 1 | ISO P0 tolerance class, the bearing provides reliable running accuracy and smooth operation, which is critical for reducing vibration and noise.
6306-ZNRJ Bearing Typical Application Areas
The 6306-ZNRJ is ideally suited for applications where ease of mounting and axial location are key. Common uses include:
- Electric Motors and Gearboxes
- Industrial Pumps and Fans
- Material Handling Equipment (e.g., conveyor pulleys)
- Agricultural Machinery
- Any machinery requiring a reliable, radial load bearing with simplified housing design.
