6306-RSNR/C3
6300 Series Snap Ring Bearings
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Part No.
Part No.
6306-RSNR/C3
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
346 g
Tolerance class
ABEC 1 | ISO P0
Seal type
Sealed
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
C3
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:
$ 10.61
/ each
In Stock
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6306-RSNR/C3 Bearing Product Overview & Core Advantages
The 6306-RSNR/C3 is a single row deep groove ball bearing engineered for high performance and reliability in demanding industrial applications. Its core advantages stem from its sealed design and optimized internal geometry. This bearing excels at handling primarily radial loads while also accommodating moderate axial loads in both directions. The combination of a snap ring groove on the outer ring and a C3 radial internal clearance makes it an ideal choice for applications requiring secure axial location and stable operation under varying thermal conditions.
6306-RSNR/C3 Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Benefit |
|---|---|---|
| RS | Contact Rubber Seal on one side | Provides effective protection against contaminants and retains lubricant, enhancing bearing service life. |
| NR | Snap Ring Groove on the outer ring | Facilitates simple and secure axial location within the housing, reducing assembly complexity and cost. |
| /C3 | Greater than normal radial internal clearance | Prevents pre-loading and accommodates differential thermal expansion between the shaft and housing, ensuring smooth operation. |
6306-RSNR/C3 Bearing Structural Features & Performance Benefits
- Robust Sealed Construction: The contact rubber seal (RS) effectively shields the internal components from dust, moisture, and other contaminants. This design significantly extends the bearing's operational lifespan by preserving the integrity of the rolling contact surfaces and is crucial for applications 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 6002 lbf and a static load rating of 3372 lbf. This ensures reliable performance under significant radial loads.
- Simplified Mounting with Snap Ring: The integrated snap ring groove (NR) eliminates the need for complex housing shoulders or end caps. This feature simplifies the design of the surrounding assembly, reduces parts count, and provides a cost-effective and reliable method for axial location.
- Optimized for Thermal Stability: The C3 radial internal clearance is specifically selected to prevent excessive pre-loading that can occur when the bearing operates at elevated temperatures. This ensures minimal friction, maintains limiting speeds up to 9,600 rpm, and contributes to consistent, long-term performance.
6306-RSNR/C3 Bearing Typical Application Areas
The 6306-RSNR/C3 is versatile and finds extensive use across various industries due to its sealed and self-retaining features. Key application areas include:
- Electric Motors: Ideal for end-shield mounting in industrial motors where contamination protection and secure axial location are critical.
- Gearboxes and Transmissions: Used in units requiring reliable bearing performance with simplified housing designs.
- Agricultural Machinery: Well-suited for equipment operating in dusty and dirty conditions, such as conveyors and rollers.
- Material Handling Equipment: Commonly found in pulleys, idlers, and fans where the snap ring simplifies assembly.
- General Industrial Machinery: A reliable choice for pumps, compressors, and other machinery demanding robust and maintenance-friendly ball bearing solutions.
