309MZ
200, 300 & 6400 Series Industrial Single Row Deep Groove Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
309MZ
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.88 kg
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
-0.12mm to 0
Performance
Temperature range
-30°to 120 °C
Radial dynamic load rating
12364 lbf
Radial static load rating
9892 lbf
Limiting speed
7.5 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:
$ 19.68
/ each
In Stock
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309MZ Bearing Product Overview & Core Advantages
The 309MZ is a single row deep groove ball bearing designed for robust performance in demanding applications. This metric bearing excels in handling primarily radial loads and offers high operational reliability. Its key advantages include a shielded design for contaminant protection, a high limiting speed of 7,500 rpm, and construction from durable chrome steel for extended service life. Manufactured to ABEC 1 | ISO P0 tolerance standards, it provides consistent performance and is ideal for applications requiring a balance of cost-effectiveness and dependable operation.
309MZ Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning |
|---|---|
| M | Indicates the bearing is manufactured from chrome steel. |
| Z | Signifies a non-contact shield on one side. This provides effective protection against coarse contaminants while minimizing friction and heat generation, contributing to the high limiting speed. |
309MZ Bearing Structural Features & Performance Benefits
- Shielded Protection: The single shield (Z suffix) effectively seals the bearing from large particulate contaminants like dust and dirt, enhancing reliability in harsh environments without the torque increase associated with contact seals.
- High-Speed Capability: The optimized deep groove raceway and low-friction shield design enable a high limiting speed of 7,500 rpm, making it suitable for a wide range of industrial drives and motors.
- Robust Load Capacity: With a dynamic load rating of 12,364 lbf and a static load rating of 9,892 lbf, this bearing is engineered to handle significant radial loads with high durability.
- Precision & Consistency: Manufactured to ABEC 1 (ISO P0) tolerance class with a standard CN radial internal clearance, it ensures smooth and precise operation, minimizing vibration and noise.
- Material Integrity: All core components—rings, balls, and cage—are constructed from chrome steel, providing high hardness, wear resistance, and a long operational lifespan.
309MZ Bearing Typical Application Areas
- Electric Motors and Generators
- Industrial Gearboxes
- Agricultural Machinery
- Material Handling Conveyors
- Pumps and Fans
- Automotive Components (e.g., alternators, idler pulleys)
