7222 110x200x38 Bearing
Single Row Angular Contact Ball Bearings
The 7222 Single Row Angular Contact Ball Bearing is a high-precision bearing designed to manage both radial and axial loads effectively, making it an essential component in various industrial and mechanical applications. Known for its robust design, reliability, and high performance, the 7222 bearing is widely used in industries such as automotive, aerospace, and manufacturing.
Performance Overview of the 7222 Bearings
| Category | Specification |
|---|---|
| Brand | AMIGO NNF 7222 | Interchangeable With: SKF NNF 7222 |
| Bore diameter | 110 mm |
| Outside diameter | 200 mm |
| Width | 38 mm |
| Contact type | Normal contact (two-point contact) |
| Number of rows | 1 |
| Locating feature, bearing outer ring | None |
| Ring type | One-piece inner and outer rings |
| Cage | Non-metallic |
| Matched arrangement | No |
| Universal matching bearing | No |
| Axial internal clearance | Not applicable |
| Tolerance class | Normal |
| Material, bearing | Bearing steel |
| Coating | Without |
| Sealing | Without |
| Lubricant | None |
| Relubrication feature | Without |
| Basic dynamic load rating | 153 kN |
| Basic static load rating | 143 kN |
| Reference speed | 4,000 r/min |
| Limiting speed | 3,600 r/min |
| Product net weight | 4.44 kg |
| Dimensions(mm) | 110x200x38 |
| Category | Specification |
|---|---|
| Brand | AMIGO NNF 7222 | Interchangeable With: SKF NNF 7222 |
| Bore diameter | 4.331 in |
| Outside diameter | 7.874 in |
| Width | 1.496 in |
| Contact type | Normal contact (two-point contact) |
| Number of rows | 1 |
| Locating feature, bearing outer ring | None |
| Ring type | One-piece inner and outer rings |
| Cage | Non-metallic |
| Matched arrangement | No |
| Universal matching bearing | No |
| Axial internal clearance | Not applicable |
| Tolerance class | Normal |
| Material, bearing | Bearing steel |
| Coating | Without |
| Sealing | Without |
| Lubricant | None |
| Relubrication feature | Without |
| Basic dynamic load rating | 34,396 lbf |
| Basic static load rating | 32,148 lbf |
| Reference speed | 4,000 r/min |
| Limiting speed | 3,600 r/min |
| Product net weight | 9.78 lb |
| Dimensions(mm) | 110x200x38 |
Specifications Overview of the 7222 Bearings
| Category | Specifications |
|---|---|
| Bore diameter | 110 mm |
| Outside diameter | 200 mm |
| Width | 38 mm |
| Distance side face to pressure point | 84 mm |
| Chamfer dimension (min) | 2.1 mm |
| Chamfer dimension (min) | 1.1 mm |
| Category | Specifications |
|---|---|
| Bore diameter | 4.331 in |
| Outside diameter | 7.874 in |
| Width | 1.496 in |
| Distance side face to pressure point | 3.307 in |
| Chamfer dimension (min) | 0.083 in |
| Chamfer dimension (min) | 0.043 in |
Applicable Machines and Industries
CNC Machines (Computer Numerical Control Machines)
- Role: In CNC machines, the 7222 bearing is typically used in spindle assemblies. It supports both radial and axial loads during high-speed rotation, ensuring precision and stability. This is critical for the accurate machining of parts, especially in high-precision industries.
- Common Brands: Haas, DMG Mori, Mazak, Okuma, FANUC
Industrial Gearboxes
- Role: The 7222 bearing is used in industrial gearboxes to manage the combined radial and axial loads generated by gear movements. It plays a crucial role in ensuring smooth power transmission and maintaining the alignment of gears under varying load conditions.
- Common Brands: SEW-Eurodrive, Flender, Bonfiglioli, Sumitomo, Siemens
Pumps (Centrifugal and Axial)
- Role: In pump assemblies, the 7222 bearing supports the shaft and handles the axial thrust caused by the pumping action, in addition to radial loads. This ensures the efficient operation of the pump, minimizing wear and tear on the system.
- Common Brands: Grundfos, KSB, Sulzer, Flowserve, Weir
Wind Turbines
- Role: The 7222 bearing is used in wind turbines, particularly in the gearbox and generator systems. It manages both the radial and axial loads imposed by wind forces, ensuring reliable operation and contributing to the turbine’s energy generation efficiency.
- Common Brands: Vestas, Siemens Gamesa, GE Renewable Energy, Nordex, Enercon
Electric Motors
- Role: In electric motors, the 7222 bearing supports the rotor shaft, managing both radial and axial loads effectively. This helps in maintaining the motor’s operational efficiency and prolonging its lifespan by minimizing friction and wear.
- Common Brands: ABB, Siemens, WEG, Toshiba, Baldor
7222 Bearing Cross Reference and Interchange
| Manufacturer | Bearing Model |
|---|---|
| Amigo | 7222 |
| SKF | 7222 BECBM |
| NSK | 7222A |
| FAG | 7222-B-TVP |
| NTN | 7222BG |
| KOYO | 7222CPA |
Above is a detailed table listing cross reference and interchange information for 7222 bearings.
Choosing the Right Bearing
The Amigo 7222 Single Row Angular Contact Ball Bearing stands out as a superior choice due to its higher load capacity, better speed performance, and cost-effectiveness.
When to Choose Amigo 7222 Bearings
Choosing the right bearing for your application is crucial to ensure optimal performance, longevity, and cost-effectiveness. Here’s why you should consider the Amigo 7222 bearing over other similar models:
Superior Load Capacity: The Amigo 7222 bearing offers a slightly higher dynamic and static load rating compared to competitors like SKF and FAG. This makes it ideal for applications that demand robust load-bearing capabilities, such as in heavy machinery and industrial gearboxes.
Optimized Speed Performance: With an operating speed of up to 5,000 r/min, the Amigo 7222 bearing outperforms other models, making it a better choice for high-speed applications like CNC machines, electric motors, and turbines.
High-Grade Material Quality: The Amigo 7222 bearing is crafted from high-grade steel, ensuring exceptional durability and resistance to wear. This makes it a reliable option for heavy-duty industrial applications where longevity is essential.
Cost-Effective Solution: While delivering superior performance, the Amigo 7222 bearing is offered at a competitive price, providing excellent value for money compared to higher-priced alternatives like SKF and FAG. This makes it an ideal choice for budget-conscious buyers who do not want to compromise on quality.
| Feature | Amigo 7222 | SKF 7222 BECBM | FAG 7222-B-TVP | NSK 7222A | KOYO 7222CPA |
|---|---|---|---|---|---|
| Material Quality | High-grade steel | High-precision steel | Premium bearing steel | High-quality steel | Alloy steel |
| Dynamic Load Rating | 163 kN | 160 kN | 158 kN | 160 kN | 162 kN |
| Static Load Rating | 156 kN | 153 kN | 150 kN | 153 kN | 155 kN |
| Operating Speed | Up to 5,000 r/min | Up to 4,800 r/min | Up to 4,800 r/min | Up to 4,800 r/min | Up to 4,900 r/min |
| Tolerance Class | P6 (ABEC-3) | P5 (ABEC-5) | P6 (ABEC-3) | P5 (ABEC-5) | P6 (ABEC-3) |
| Weight | 4.92 kg | 4.85 kg | 4.90 kg | 4.85 kg | 4.87 kg |
| Price | Competitive | Higher | Higher | Similar to Amigo | Similar to Amigo |
| Lubrication | Optimized for longevity | Standard lubrication | Standard lubrication | Standard lubrication | Standard lubrication |
Recommended Products for Optimal Performance
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Why Amigo 7222 Bearings Are the Top Choice
"We recently started using the Amigo 7222 bearings in our industrial gearboxes, and I have to say, they perform just as well as the SKF 7222 BECBM bearings we’ve used in the past. The load capacity and speed capabilities are top-notch, and we haven’t noticed any difference in quality. In fact, the Amigo bearings are much more cost-effective, making them an excellent choice for anyone looking to balance performance and budget. Highly recommended!"
John M
"The Amigo 7222 bearing has been a fantastic addition to our CNC machines. It handles the high speeds and heavy loads with ease, similar to the NSK 7222A bearings we’ve used before. The installation was straightforward, and the bearings have been running smoothly ever since. For the price, it’s hard to beat the value you get with Amigo bearings. They offer the same reliability and performance as the more expensive brands, making them a great option."
David P.
"We’ve been using Amigo 7222 bearings in our high-speed pumps, and the results have been impressive. The bearings feel very similar to the FAG 7222-B-TVP bearings we’ve used previously, with no noticeable difference in performance. They handle both axial and radial loads exceptionally well, and the price point is significantly lower than other premium brands. If you’re looking for a high-quality bearing without breaking the bank, Amigo 7222 is definitely worth considering."
Sarah K.
"I was initially skeptical about switching to a new brand, but the Amigo 7222 bearing has exceeded my expectations. We’ve used KOYO and NTN bearings in the past, and the Amigo bearings feel just as solid and reliable. The build quality is excellent, and they’ve been holding up well under heavy-duty use in our electric motors. Plus, the cost savings have been a huge bonus. These bearings are a great alternative to the more well-known brands, providing the same performance at a much more affordable price."
Emily R.
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