1202 ETN9/W64
1200 Series Self Aligning Ball Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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1202 ETN9/W64 Bearing Product Overview & Core Advantages
The 1202 ETN9/W64 is a double row angular contact ball bearing designed for applications requiring high precision and reliability. This precision bearing features an open design and is pre-lubricated, enabling it to accommodate combined loads (both radial and axial) efficiently. Its compact bearing dimensions (15mm bore, 35mm OD, 11mm width) and optimized internal geometry contribute to high rigidity and stable operation in demanding environments.
1202 ETN9/W64 Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning |
|---|---|
| E | Optimized internal design for enhanced load capacity |
| TN9 | Nylon cage, glass fiber reinforced, suitable for high-speed operation |
| W64 | Pre-lubricated with specific grease for extended service life |
1202 ETN9/W64 Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The double row ball construction provides superior high rigidity, enabling stable support for combined loads in both radial and axial directions. This design ensures minimal deflection under heavy operating conditions.
High-Speed Performance: The TN9 nylon cage reduces friction and inertia, contributing to the bearing's excellent high-speed capability with a limiting speed of 28,000 rpm. The optimized internal geometry further enhances rotational accuracy.
Maintenance-Free Operation: Pre-lubricated with W64 grease, this bearing offers long-term performance without requiring additional lubrication. The open seal type allows for efficient heat dissipation while maintaining internal cleanliness.
Precision Engineering: Manufactured with chrome steel rings and balls, the bearing delivers consistent performance with tight dimensional tolerances, making it ideal for precision applications.
1202 ETN9/W64 Bearing Typical Application Areas
- Machine Tool Spindles - High-precision machining centers requiring rigid support
- Industrial Pumps - Centrifugal and gear pumps handling combined loads
- Electric Motors - Small to medium-sized motors demanding high-speed operation
- Precision Instruments - Medical equipment and measuring devices
- Automation Systems - Robotics and positioning mechanisms
