3203 17x40x17.5 Bearing
Double row angular contact ball bearing
The 3203 Double Row Angular Contact Ball Bearing is designed to handle both radial and axial loads with high precision. Its double row construction allows it to support significant loads in both directions, making it ideal for demanding applications. With optimized internal geometry, this bearing ensures smooth and efficient operation, reducing friction and wear. It is well-suited for use in machinery such as gearboxes, pumps, and conveyor systems, providing long-lasting durability and consistent performance. The 3203 bearing is a reliable choice for applications requiring strength and precision.
Performance Overview of the 3203 Bearings
| Specifications | Details |
|---|---|
| Brand | AMIGO 3203 | Interchangeable With: SKF 3203 |
| Bore diameter | 17 mm |
| Outside diameter | 40 mm |
| Width | 17.5 mm |
| Contact angle | 30° |
| Basic dynamic load rating | 14.3 kN |
| Basic static load rating | 8.8 kN |
| Reference speed | 19,000 r/min |
| Limiting speed | 16,000 r/min |
| Contact type | Normal contact (two-point contact) |
| Number of rows | 2 |
| Locating feature, bearing outer ring | None |
| Ring type | One-piece inner and outer rings |
| Cage | Non-metallic |
| Arrangement of contact angle (double-row bearing) | Back-to-back (O) |
| Matched arrangement | No |
| Universal matching bearing | No |
| Axial internal clearance | CN |
| Material, bearing | Bearing steel |
| Coating | Without |
| Sealing | Without |
| Lubricant | None |
| Relubrication feature | Without |
| Product net weight | 0.095 kg |
| Dimensions (mm) | 17x40x17.5 |
| Specifications | Details |
|---|---|
| Brand | AMIGO 3203 | Interchangeable With: SKF 3203 |
| Bore diameter | 0.669 in |
| Outside diameter | 1.575 in |
| Width | 0.689 in |
| Contact angle | 30° |
| Basic dynamic load rating | 3,215 lbf |
| Basic static load rating | 1,978 lbf |
| Reference speed | 19,000 r/min |
| Limiting speed | 16,000 r/min |
| Contact type | Normal contact (two-point contact) |
| Number of rows | 2 |
| Locating feature, bearing outer ring | None |
| Ring type | One-piece inner and outer rings |
| Cage | Non-metallic |
| Arrangement of contact angle (double-row bearing) | Back-to-back (O) |
| Matched arrangement | No |
| Universal matching bearing | No |
| Axial internal clearance | CN |
| Material, bearing | Bearing steel |
| Coating | Without |
| Sealing | Without |
| Lubricant | None |
| Relubrication feature | Without |
| Product net weight | 0.2094 lb |
| Dimensions (in) | 0.669x1.575x0.689 |
Specifications Overview of the 3203 Bearings
| Specifications | Details |
|---|---|
| Bore diameter | 17 mm |
| Outside diameter | 40 mm |
| Width | 17.5 mm |
| Recess diameter inner ring shoulder | ≈ 23.3 mm |
| Recess diameter outer ring shoulder | ≈ 34.95 mm |
| Chamfer dimension inner ring | min. 0.6 mm |
| Distance pressure point(s) | 23 mm |
| Abutment diameter shaft (min) | min. 21.4 mm |
| Abutment diameter shaft (max) | max. 23 mm |
| Abutment diameter housing (max) | max. 35.6 mm |
| Fillet radius (max) | max. 0.6 mm |
| Specifications | Details |
|---|---|
| Bore diameter | 0.669 in |
| Outside diameter | 1.575 in |
| Width | 0.689 in |
| Recess diameter inner ring shoulder | ≈ 0.917 in |
| Recess diameter outer ring shoulder | ≈ 1.376 in |
| Chamfer dimension inner ring | min. 0.024 in |
| Distance pressure point(s) | 0.906 in |
| Abutment diameter shaft (min) | min. 0.843 in |
| Abutment diameter shaft (max) | max. 0.906 in |
| Abutment diameter housing (max) | max. 1.402 in |
| Fillet radius (max) | max. 0.024 in |
Applicable Machines and Industries
1. CNC Machining Centers
- Role: The 3203 Double Row Angular Contact Ball Bearing is used to support spindle shafts, ensuring smooth rotation and precise alignment during high-speed machining operations.
- Common Brands: Haas, Mazak, DMG Mori
2. Textile Machinery
- Role: It is utilized in the rotating components of weaving machines, providing stability and reducing vibration to ensure consistent fabric production.
- Common Brands: Rieter, Picanol, Saurer
3. Electric Motors
- Role: The bearing supports motor shafts, minimizing friction and wear while ensuring efficient operation in industrial electric motors.
- Common Brands: Siemens, ABB, WEG
4. Gearboxes
- Role: In gearboxes, this bearing is used to handle combined radial and axial loads, ensuring smooth transmission of power.
- Common Brands: SEW-Eurodrive, Bonfiglioli, NORD
5. Pump Systems
- Role: The 3203 bearing is employed in pumps to support impeller shafts, allowing for efficient and reliable fluid movement in various applications.
- Common Brands: Grundfos, KSB, Sulzer
6. Conveyor Systems
- Role: It provides reliable support for conveyor belt rollers, ensuring smooth and consistent operation in material handling systems.
- Common Brands: FlexLink, Dematic, Interroll
7. Packaging Machinery
- Role: The bearing is used in packaging machinery to support moving parts, enhancing speed and precision in the packing process.
- Common Brands: Bosch, Tetra Pak, Ishida
3203 Bearing Cross Reference and Interchange
| Brand | Bearing Model |
|---|---|
| Amigo | 3203 |
| FAG | 3309-BD-XL |
| NACHI | 3203 |
| NTN | 3203 |
| SKF | 3203 ATN9 |
| KOYO | 3203 |
This table summarizes the bearing cross-reference and interchange guide for the 3203 Double Row Angular Contact Ball Bearing. It provides equivalent bearing models from various manufacturers, ensuring compatibility and availability across different brands.
Choosing the Right Bearing
When comparing the Amigo 3203 bearing to other similar models, several key advantages make it the superior choice for various applications:
When to Choose Amigo 3203?
- High Dynamic Load: When the application demands a bearing with a high dynamic load capacity, the Amigo 3203, with its 14.3 kN rating, is an ideal choice.
- Versatility: Suitable for various applications due to its standard dimensions and compatibility with other brands.
- Cost-Effective: Offers a great balance of performance and cost, especially when compared to similar models.
- Interchangeability: If you are looking for a direct replacement for SKF, FAG, or NTN models without compromising quality.
- Precision: When precise alignment and low noise levels are crucial, the Amigo 3203 is engineered for such applications.
Advantages of Amigo 3203:
The Amigo 3203 Bearing stands out for its high dynamic load rating, which is slightly superior to or on par with other major brands like SKF and FAG. It also maintains the same dimensional accuracy, making it a perfect fit for a wide range of machinery, ensuring durability, reliability, and smooth performance in demanding applications.
| Feature | Amigo 3203 | FAG 3309-BD-XL | SKF 3203 ATN9 | NTN 3203 |
|---|---|---|---|---|
| Dynamic Load Rating (kN) | 14.3 | 13.8 | 14.1 | 14.0 |
| Static Load Rating (kN) | 8.8 | 8.6 | 8.7 | 8.8 |
| Radial Internal Clearance (CN) | Standard | Standard | Standard | Standard |
| Operating Temperature Range (°C) | -40 to 120 | -30 to 110 | -40 to 120 | -30 to 110 |
| Noise Level (dB) | Low | Medium | Low | Medium |
| Lubrication Type | Grease | Oil/Grease | Grease | Grease |
Recommended Products for Optimal Performance
Enhance your bearing operations with these related products:
Why Amigo 3203 Bearings Are the Top Choice
The Amigo 3203 Bearing was an excellent choice for our machinery. The performance is nearly identical to the SKF bearings we previously used. It offers smooth operation and high durability, making it a reliable option for our high-speed applications.
Edmond
After switching to the Amigo 3203 Bearing, we noticed an immediate improvement in our equipment's efficiency. It feels just as robust and well-made as the SKF bearings we've relied on, making it a perfect substitute without compromising quality.
Armand
The Amigo 3203 Bearing has proven to be a dependable component in our assembly line. It functions just as well as the leading brands like SKF, with no noticeable difference in performance. We are very satisfied with its durability and reliability.
Gaston
Using the Amigo 3203 Bearing in our latest project was a great decision. It matches the quality of SKF bearings, providing smooth operation and excellent load handling. I highly recommend it for anyone looking for a high-quality bearing at a more competitive price.
Colette
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