309N/MT33 MT33
200, 300 & 6400 Series Industrial Single Row Deep Groove Ball Bearings
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Basic Information
Main Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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309N/MT33 MT33 Bearing Product Overview & Core Advantages
The 309N/MT33 is a single row deep groove ball bearing designed for high-performance industrial applications requiring reliable radial load capacity and precise operation. Featuring an open design and snap ring groove on the outer ring, this bearing offers simplified axial location and secure mounting. Manufactured to ABEC 1 | ISO P0 tolerance standards with CN radial internal clearance, it delivers consistent performance and high rotational accuracy for demanding environments.
309N/MT33 MT33 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Benefit |
|---|---|---|
| 309 | Standard bearing series designation with 45mm bore | Proven dimensional standardization |
| N | Snap ring groove on outer ring | Simplified axial positioning and mounting security |
| MT33 | Premium lithium soap complex grease | Extended lubrication intervals and reliable operation |
309N/MT33 MT33 Bearing Structural Features & Performance Benefits
Optimized Load Distribution: The single row deep groove raceway geometry enables efficient handling of radial loads up to 12,364 lbf dynamic capacity, while accommodating moderate axial loads in both directions.
Precision Engineering: Manufactured from chrome steel with machined metal cage, the bearing maintains dimensional stability and rotational precision under demanding conditions. The ABEC 1 | ISO P0 tolerance class ensures consistent performance across applications.
Enhanced Mounting Security: The snap ring groove feature provides positive axial location, reducing the need for complex housing designs while maintaining bearing alignment and system integrity.
Extended Service Life: Pre-lubricated with MT33 grease, the bearing offers reliable operation across a wide temperature range (-30° to 120°C) and achieves limiting speeds up to 7,500 rpm.
309N/MT33 MT33 Bearing Typical Application Areas
- Electric Motors and industrial drives requiring precise shaft support
- Material Handling Equipment including conveyor systems and pulleys
- Agricultural Machinery for implement drives and wheel applications
- Industrial Gearboxes and transmission systems
- Pump Systems requiring reliable radial load support
- General Industrial Machinery where secure mounting and consistent performance are critical
