6309-2Z/C3LHT23
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Part No.
Part No.
6309-2Z/C3LHT23
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
811 g
Tolerance class
ABEC 1 | ISO P0
Seal type
Shielded
For load direction
Radial
Main Dimensions
Bore diameter
45 mm
Bore diameter tolerance
-0.012mm to 0
Outside diameter
100 mm
Outside diameter tolerance
-0.015mm to 0
Width
25 mm
Width tolerance
-0.120mm to 0
Performance
Temperature range
-30°to 120 °C
Radial dynamic load rating
11915 lbf
Radial static load rating
7194 lbf
Limiting speed
6.7 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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6309-2Z/C3LHT23 Bearing Product Overview & Core Advantages
The 6309-2Z/C3LHT23 is a metric single row deep groove ball bearing engineered for robust performance in demanding applications. Its design excels at handling significant radial loads while also accommodating moderate axial loads in both directions. A key advantage is its shielded construction (2Z) combined with a C3 radial internal clearance, making it an ideal choice for applications involving thermal expansion or where a tighter fit is required. Manufactured to ABEC 1 | ISO P0 tolerance standards, this bearing offers a reliable and cost-effective solution for general industrial machinery requiring high reliability and long service life.
Model Code In-Depth Explanation
The model number 6309-2Z/C3LHT23 provides detailed technical specifications:
- 6309: Basic series designation, indicating a medium-duty metric deep groove ball bearing with a 45mm bore, 100mm OD, and 25mm width.
- 2Z: Signifies the bearing is shielded on both sides. These non-contact steel shields protect the internal components from large particulate contaminants while minimizing friction.
- C3: Denotes a greater than normal radial internal clearance. This is beneficial for applications with higher operating temperatures or where interference fits are used, preventing preload and potential seizure.
- LHT23: Indicates the bearing is pre-lubricated with a specific high-temperature grease. This grease is suitable for the specified operating temperature range of -30°C to 120°C, providing long-term lubrication without immediate re-lubrication needs.
6309-2Z/C3LHT23 Bearing Structural Features & Performance Benefits
- Robust Construction & High Load Capacity: Built entirely from chrome steel for rings, balls, and cage, this bearing ensures high strength and durability. With a dynamic load rating of 11,915 lbf and a static load rating of 7,194 lbf, it is capable of withstanding substantial radial forces.
- Optimized for Operational Stability: The C3 clearance provides operational stability in environments prone to thermal expansion, ensuring consistent performance and reducing the risk of binding.
- Effective Contamination Protection: The double-shielded (2Z) design effectively excludes contaminants, enhancing bearing life in dusty or dirty environments without the added friction of contact seals.
- Ready-to-Install & Low Maintenance: Pre-lubricated with LHT23 grease, the bearing is ready for immediate use, simplifying installation and reducing maintenance requirements for the initial service period.
6309-2Z/C3LHT23 Bearing Typical Application Areas
This versatile bearing is commonly specified in a wide range of industrial machinery, including:
- Electric Motors and Generators
- Industrial Gearboxes and Transmissions
- Material Handling Equipment (conveyors, pulleys)
- Agricultural Machinery
- Pumps and Fans
