6306-2Z/C3GWP
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Part No.
Part No.
6306-2Z/C3GWP
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
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
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In Stock
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6306-2Z/C3GWP Bearing Product Overview & Core Advantages
The 6306-2Z/C3 is a single row deep groove ball bearing designed for robust performance in demanding industrial applications. This shielded bearing excels at handling primarily radial loads while also accommodating moderate axial loads in both directions. Its key advantages include a generous C3 radial internal clearance for applications involving thermal expansion, high operational reliability due to its integral shields, and a design that supports high rotational speeds, making it a versatile and cost-effective solution for a wide range of machinery.
6306-2Z/C3GWP Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Benefit |
|---|---|---|
| 6306 | Basic bearing series designation, indicating a medium duty, single row deep groove ball bearing with a 30mm bore. | Standardized dimensions for easy interchangeability. |
| 2Z | Specifies bearings with shields on both sides. | Provides effective protection against contamination from solid particles, retaining grease and extending bearing life. It is not a contact seal, minimizing friction. |
| C3 | Indicates a greater than normal radial internal clearance. | Ideal for applications with expected thermal expansion, such as in electric motors, or where fit-up on shafts and housings creates a tight interference fit. |
6306-2Z/C3GWP Bearing Structural Features & Performance Benefits
- Robust Construction & High Load Capacity: Manufactured from chrome steel for rings, balls, and cage, this bearing offers high strength and durability. With a dynamic load rating of 6002 lbf and a static load rating of 3372 lbf, it is engineered to handle significant radial loads reliably.
- Optimized for High-Speed Operation: The precision-ground components and steel cage contribute to smooth operation and a high limiting speed of 9,600 rpm, making it suitable for demanding rotational applications.
- Contamination Protection: The non-contact Z-shields on both sides effectively prevent the ingress of coarse contaminants while allowing the bearing to operate with low friction and heat generation.
- Wide Operating Temperature Range: The all-steel construction and standard grease filling (if pre-lubricated) allow for operation within a temperature range of -30°C to 120°C.
6306-2Z/C3GWP Bearing Typical Application Areas
The 6306-2Z/C3 is a workhorse component found in numerous industrial sectors, including:
- Electric Motors and Generators (utilizing the C3 clearance for thermal expansion)
- Gearboxes and Power Transmission Systems
- Industrial Pumps and Fans
- Material Handling Equipment (conveyors, pulleys)
- Agricultural Machinery
- General machinery requiring a reliable, shielded ball bearing with extended service intervals.
