3208 A-2ZTN9/MT33
Double Row Angular Contact Ball Bearings
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3208 A-2ZTN9/MT33 Bearing Product Overview & Core Advantages
The 3208 A-2ZTN9/MT33 is a double row angular contact ball bearing engineered for applications requiring high rigidity and precision. This metric bearing is designed to accommodate combined loads—simultaneously handling significant radial loads and bidirectional axial loads. Its compact design and P6 (ABEC-3) tolerance class make it ideal for high-precision, high-reliability machinery where space constraints and operational accuracy are critical.
3208 A-2ZTN9/MT33 Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning |
|---|---|
| A | Optimized contact angle design for enhanced axial load capacity. |
| 2Z | Shields on both sides providing effective contamination protection while allowing for high-speed operation. |
| TN9 | Stainless steel snap-type cage, contributing to high-speed performance and reduced friction. |
| MT33 | High-performance grease, enabling reliable operation across the specified temperature range (-30° to 110 °C) and supporting maintenance-free operation. |
3208 A-2ZTN9/MT33 Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The double row design provides superior radial and axial stiffness, making it capable of handling combined loads (10800 lbf dynamic, 8212 lbf static) with high stability. The optimized contact angle ensures efficient management of bidirectional axial forces.
High-Speed Performance: The TN9 stainless steel cage and optimized internal geometry allow for a limiting speed of 8,000 rpm, making it suitable for demanding, high-velocity applications.
Maintenance-Free & Long Service Life: The combination of 2Z shields and pre-applied MT33 grease seals in the lubrication and protects against contaminants, resulting in extended service intervals and reliable performance.
3208 A-2ZTN9/MT33 Bearing Typical Application Areas
- Machine Tool Spindles
- Industrial Pumps & Compressors
- Precision Gearboxes
- Material Handling Systems
- Medical and Laboratory Equipment
