6306-2Z
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Part No.
Part No.
6306-2Z
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.36 kg
Tolerance class
P6
Seal type
Shielded
For load direction
Radial
Main Dimensions
Bore diameter
30 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
72 mm
Outside diameter tolerance
-0.011mm to 0
Width
19 mm
Width tolerance
-0.12mm to 0
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
6654 lbf
Radial static load rating
3597 lbf
Limiting speed
11 X 1000 rpm
Lubrication
Grease
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:
$ 8.25
/ each
In Stock
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6306-2Z Bearing Product Overview & Core Advantages
The 6306-2Z is a single row deep groove ball bearing designed for exceptional performance in demanding applications. This shielded bearing offers a robust solution for primarily radial loads, featuring a P6 tolerance class for high running accuracy. Its compact design, combined with pre-lubrication and effective sealing, ensures long service life and reliable operation with minimal maintenance, making it a superior choice for high-speed and precision machinery.
6306-2Z Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Advantage |
|---|---|---|
| 63 | Standard Dimension Series | Provides common and interchangeable bearing dimensions. |
| 06 | Bore Diameter Code (30 mm) | Specifies the internal diameter for shaft fitting. |
| 2Z | Shielded on Both Sides | Offers effective protection against contamination while retaining grease lubrication, contributing to a maintenance-free design. |
6306-2Z Bearing Structural Features & Performance Benefits
- High-Speed Capability: The combination of a stainless steel cage, optimized geometry, and effective grease lubrication enables a high limiting speed of 11,000 rpm, making it suitable for high-speed applications.
- Robust Load Capacity: Manufactured from chrome steel for both rings and balls, this bearing provides a high radial dynamic load rating of 6654 lbf, ensuring durability under significant stress.
- Precision & Reliability: The P6 tolerance class ensures tighter dimensional control and high running accuracy, which is critical for applications requiring precise shaft guidance and smooth operation.
- Long-Term Performance: The shielded design (2Z) effectively retains lubricant and excludes contaminants, while the standard CN radial internal clearance is suitable for most operating conditions, ensuring consistent performance over a wide temperature range from -30° to 120 °C.
6306-2Z Bearing Typical Application Areas
This versatile deep groove ball bearing is widely used across various industries, including:
- Electric Motors and Generators
- Industrial Gearboxes
- Pumps and Compressors
- Material Handling Equipment
- Agricultural Machinery
- General Industrial Machinery requiring reliable radial load support
