7201 12x32x10 Bearing
Single Row Angular Contact Ball Bearings
The 7201 Single Row Angular Contact Ball Bearing is a precision-engineered component designed to meet the demanding needs of various high-performance applications. Known for its ability to handle both radial and axial loads, this bearing is particularly suitable for environments where high speed, accuracy, and reliability are critical.
Performance Overview of the 7201 Bearings
| Category | Detail/Specification |
|---|---|
| Brand | AMIGO 7201 | Interchangeable With: SKF 7201 |
| Bore diameter | 12 mm |
| Outside diameter | 32 mm |
| Width | 10 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 | Without |
| Relubrication feature | Without |
| Basic dynamic load rating | 7.61 kN |
| Basic static load rating | 3.8 kN |
| Reference speed | 28,000 r/min |
| Limiting speed | 26,000 r/min |
| Product net weight | 0.0356 kg |
| Dimensions(mm) | 12x32x10 |
| Category | Detail/Specification |
|---|---|
| Brand | AMIGO 7201 | Interchangeable With: SKF 7201 |
| Bore diameter | 12 mm |
| Outside diameter | 32 mm |
| Width | 10 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 | Without |
| Relubrication feature | Without |
| Basic dynamic load rating | 7.61 kN |
| Basic static load rating | 3.8 kN |
| Reference speed | 28,000 r/min |
| Limiting speed | 26,000 r/min |
| Product net weight | 0.0356 kg |
| Dimensions(mm) | 12x32x10 |
Specifications Overview of the 7201 Bearings
| Dimension | Detail/Specification |
|---|---|
| Bore diameter | 12 mm |
| Outside diameter | 32 mm |
| Width | 10 mm |
| Distance side face to pressure point (a) | 14 mm |
| Chamfer dimension (r?,?) | min. 0.6 mm |
| Chamfer dimension (r?,?) | min. 0.3 mm |
| Diameter of shaft abutment (d?) | min. 16.2 mm |
| Abutment diameter housing (D?) | max. 27.8 mm |
| Diameter of housing abutment (D?) | max. 30 mm |
| Radius of fillet (r?) | max. 0.6 mm |
| Radius of fillet (r?) | max. 0.3 mm |
| Dimension | Detail/Specification |
|---|---|
| Bore diameter | 0.472 in |
| Outside diameter | 1.26 in |
| Width | 0.394 in |
| Distance side face to pressure point (a) | 0.551 in |
| Chamfer dimension (r?,?) | min. 0.024 in |
| Chamfer dimension (r?,?) | min. 0.012 in |
| Diameter of shaft abutment (d?) | min. 0.638 in |
| Abutment diameter housing (D?) | max. 1.094 in |
| Diameter of housing abutment (D?) | max. 1.181 in |
| Radius of fillet (r?) | max. 0.024 in |
| Radius of fillet (r?) | max. 0.012 in |
Applicable Machines and Industries
The 7201 Single Row Angular Contact Ball Bearing is used in various machines across different industries due to its capability to handle both radial and axial loads, particularly in high-speed and precision applications. Below are the common machines that use this bearing, the role it plays in these machines, and the typical brands associated with each machine type.
1. CNC Machines
Role: In CNC machines, the 7201 bearing is typically used in the spindle assembly. It provides the necessary support for high-speed rotation, ensuring that the spindle maintains its precision and stability during operation. The bearing’s ability to handle significant axial loads is crucial for the accuracy of the machining process.
Common Brands:Haas Automation、DMG Mori、Mazak、FANUC、Okuma
2. Electric Motors
Role: The 7201 bearing is used in electric motors to support the rotor and to reduce friction between moving parts. Its high-speed capability and ability to manage both radial and axial loads make it ideal for ensuring smooth and efficient motor operation, reducing wear and prolonging the motor’s lifespan.
Common Brands:Siemens、ABB、Toshiba、WEG、General Electric (GE)
3. Pumps
Role: In pumps, particularly high-speed centrifugal pumps, the 7201 bearing helps to support the shaft and impeller, minimizing friction and wear. This ensures that the pump operates smoothly and maintains consistent flow and pressure levels over time.
Common Brands:Grundfos、KSB、Sulzer、ITT Goulds Pumps、Flowserve
4. Gearboxes
Role: In gearboxes, the 7201 bearing supports the gears and shafts, allowing them to rotate smoothly while managing the axial and radial loads that are common in such applications. This helps in maintaining the efficiency and reliability of the gearbox, ensuring consistent power transmission.
Common Brands:SEW-Eurodrive、Bonfiglioli、Nord Drivesystems、Sumitomo Drive Technologies、Flender
5. Machine Tool Spindles
Role: The 7201 bearing is critical in machine tool spindles, where it supports high-speed rotation and precise movement. It helps in maintaining the accuracy of the tool’s movement, which is essential for high-precision machining tasks.
Common Brands:Makino、Mori Seiki、Heller、Kitamura、Hardinge
7201 Bearing Cross Reference and Interchange
| Manufacturer | Bearing Model |
|---|---|
| NSK | 7201A |
| NTN | 7201BG |
| FAG | 7201-B-XL-TVP |
| SKF | 7201 BEP |
| Amigo | 7201-B-XL-TVP |
| NACHI | 7201C |
Above is a cross reference guide listing equivalent bearing models from well-known brands.
Choosing the Right Bearing
When selecting the right bearing for your application, it’s important to compare different models to understand their unique features and advantages.
When to Choose the Amigo 7201 Bearing
The Amigo 7201 bearing stands out as a versatile and reliable choice across a variety of industrial applications. Here’s why you should choose the Amigo 7201 over other models:
Excellent Load Handling: The Amigo 7201 bearing offers a dynamic load capacity of 7.61 kN and a static load capacity of 3.8 kN, making it suitable for applications with both significant radial and axial loads. This capability ensures robust performance in demanding environments.
High-Speed Capability: With a speed limit of 26,000 RPM, the Amigo 7201 bearing is designed to operate efficiently in high-speed applications, such as CNC machines and electric motors, ensuring smooth and reliable performance.
Low Noise and Vibration: Engineered to minimize noise and vibration, the Amigo 7201 bearing is ideal for precision machinery where operational quietness and accuracy are critical. This feature enhances the overall quality of the equipment in which it is used.
Durable Cage Design: The non-metallic cage of the Amigo 7201 bearing provides excellent durability and stability, especially under high-speed conditions. This design choice also contributes to the bearing’s ability to withstand temperatures up to 120°C, ensuring long-term performance without degradation.
Competitive Pricing: Despite its advanced features and high performance, the Amigo 7201 bearing is competitively priced, offering exceptional value for money compared to premium brands like SKF and FAG.
| Feature | Amigo 7201 | NSK 7201A | NTN 7201BG | FAG 7201-B-XL-TVP |
|---|---|---|---|---|
| Material | Bearing steel | Bearing steel | Bearing steel | Bearing steel |
| Sealing | Open/Shielded/Sealed | Open/Shielded/Sealed | Open/Shielded/Sealed | Open/Shielded/Sealed |
| Load Capacity (Dynamic) | 7.61 kN | 7.50 kN | 7.80 kN | 7.61 kN |
| Load Capacity (Static) | 3.8 kN | 3.6 kN | 4.0 kN | 3.8 kN |
| Speed Limit (Grease Lubrication) | 26,000 RPM | 24,000 RPM | 25,000 RPM | 26,000 RPM |
| Cage Material | Non-metallic | Brass/Steel/Polyamide | Brass/Steel/Polyamide | Non-metallic |
| Weight | 0.0356 kg | 0.032 kg | 0.037 kg | 0.0356 kg |
| Price Range | Competitive | High | Moderate | High |
| Noise & Vibration Level | Low | Moderate | Low | Low |
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Why Amigo 7201 Bearings Are the Top Choice
"I’ve been using the Amigo 7201 bearings in our CNC machines, and they have proven to be just as reliable as the SKF bearings we used before. The performance is top-notch, with smooth operation and high precision. What’s impressive is that these bearings feel very similar to the premium brands in terms of quality, but at a much more affordable price. I highly recommend Amigo bearings for anyone looking to maintain high standards without overspending."
John M
"We decided to switch to Amigo 7201 bearings for our electric motors, and we couldn’t be happier. The bearings handle both radial and axial loads with ease, and they run just as smoothly as the NSK bearings we previously used. The durability and performance are on par with the more expensive brands, making these bearings a great value for money. If you’re looking for quality bearings at a reasonable price, Amigo is the way to go."
David P.
"I was skeptical at first about switching from well-known brands like FAG and SKF, but the Amigo 7201 bearings have exceeded my expectations. They provide the same level of reliability and performance, with a smooth and quiet operation that’s crucial for our high-speed spindles. These bearings are a fantastic alternative to the more expensive options, and I’ve had no issues since making the switch. Highly recommended!"
Sarah K.
"We’ve been using Amigo 7201 bearings in our industrial pumps, and the results have been outstanding. The bearings perform just as well as the SKF and NTN models we’ve used in the past, with the added benefit of being more cost-effective. The quality is evident in their construction and performance, and they’ve held up well under demanding conditions. Amigo bearings are a smart choice for anyone looking to save money without sacrificing quality."
Emily R.
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