3203 A-2RS1TN9/MT33
Double Row Angular Contact Ball Bearings
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3203 A-2RS1TN9/MT33 Bearing Product Overview & Core Advantages
The 3203 A-2RS1TN9/MT33 is a double row angular contact ball bearing designed for applications requiring high precision and reliability. This sealed bearing excels at simultaneously handling combined loads—significant radial loads and bidirectional axial loads—thanks to its optimized contact angle and double row design. Its compact construction offers a space-saving solution without compromising performance, making it ideal for high-rigidity support in demanding environments. Pre-lubricated with high-performance grease, it delivers long-term, maintenance-free operation.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 3203 | Basic bearing designation (17 mm bore, 40 mm OD, 17.5 mm width) |
| A | Contact angle of 30°, optimized for combined loads |
| 2RS1 | Double-sided contact seals (RS1 type) for superior protection against contaminants |
| TN9 | Stainless steel cage, polymer reinforced, enabling high-speed operation |
| MT33 | High-performance lubricating grease with a wide operating temperature range (-30°C to +110°C) |
3203 A-2RS1TN9/MT33 Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The double row design and 30° contact angle provide exceptional stiffness, enabling stable support under heavy combined loads and bidirectional axial forces. The distance from the side face to the load point (23 mm) contributes to moment load resistance.
- Precision & Speed Performance: Manufactured to P6 (ABEC-3) tolerance class, this precision bearing ensures smooth, accurate rotation. The TN9 stainless steel cage minimizes centrifugal forces, supporting a high limiting speed of 12,000 rpm.
- Durability & Maintenance-Free Operation: The double-contact seals (2RS1) effectively retain lubricant and exclude moisture and debris. Combined with the pre-filled MT33 grease, this ensures long service life and reliable performance across a broad temperature range without re-lubrication.
3203 A-2RS1TN9/MT33 Bearing Typical Application Areas
This versatile double row angular contact ball bearing is ideally suited for:
- Machine Tool Spindles and precision gearboxes
- High-Speed Pumps and compressors
- Electric motors and precision industrial fans
- Medical equipment and precision instruments
- Material handling systems and automation robotics
