7208 ACD/HCP4A 40*80*18 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing Hybrid Bearings Ceramic Balls
Super-precision, high-capacity, single row angular contact ball bearing
The 7208 ACD/HCP4A bearing, a precision angular contact ball bearing, is widely used in various fields due to its high-speed capability, high load capacity, and contact angle design. Its applications include:
1. Industrial Equipment and Machinery
Chemical and Pharmaceutical Equipment: Reactors, dryers, cooling systems, etc.
Metallurgy and Mining Machinery: Refining equipment, separators, rolling mills, etc.
Machine Tools and Spindles: CNC lathes, grinding machines, boring machines, etc.
2. Energy and Material Handling
Power Generation Equipment: Condensers, wind turbine gearboxes, etc.
Material Processing Machinery: Plastic molding machines, pelletizing machines, heat stamping machines, etc.
3. Engineering and Construction Machinery
Construction Machinery: Excavators, cranes, transmission systems, etc.
Railway and Transportation Equipment: Railway vehicle axle boxes, reduction gears, etc.
4. Precision Instruments and Special Scenarios
Medical Equipment: Centrifuges, MRI machines, etc.
Laboratory Equipment: Vacuum pumps, mixing equipment, etc.
5. Other High-Demand Fields
Food Processing Machinery: Mixers, filling equipment, etc.
Textile Machinery: Spinning machines, weaving machines, etc.
| Part Number | 7208 ACD/HCP4A |
| Bearing Type | Angular Contact |
| Measurement Unit | Metric |
| Dimensions | Inner Bore Diameter (d) | 40 mm |
| Inner Bore Diameter Tolerance | -0.006mm to 0 |
| Outer Bore Diameter (D) | 80 mm |
| Outer Bore Diameter Tolerance | -0.007mm to 0 |
| Width (B) | 18 mm |
| Width Tolerance | -0.2mm to 0 |
| Specifications | Contact Angle | 25° (15°,40° Available) |
| Material | Hybrid (Chrome Steel Rings, Ceramic Balls) |
| Cage Material | Phenolic |
| Number of Rows | 1 Single Row |
| Seal Type | Open |
| Temperature Range | -30°C to 150°C |
| Lubrication | Oil or Grease |
| Tolerance Class | P4A better than P4 (ABEC-7) |
| Weight | 0.32 kg |
| Matched Arrangement | No |
| Universal Matching Bearing | No |
| Preload | Not applicable |
| Load and Speed | Dynamic Radial Load | 31900 N |
| Static Radial Load | 22800 N |
| Reference Speed For Grease (r/min) | 19,000 rpm |
| Limiting Speed For Oil(r/min) | 32,000 rpm |
What's the Performance Features of 7208 ACD/HCP4A Bearing?
The 7208 ACD/HCP4A angular contact ball bearing is manufactured to P4A precision grade standards, excels in high-precision and high-performance applications. It handles both radial and axial loads simultaneously, supports high-speed operation with stability, minimizes torque and friction for energy efficiency, and offers enhanced rigidity for accuracy under heavy loads. Built with hybrid ceramic balls, this durable bearing ensures extended service life and effective performance across a wide temperature range, making it ideal for applications requiring superior rotational accuracy and reliability.
What's the Applications of the 7208 ACD/HCP4A Bearing?
The 7208 ACD/HCP4A bearing high-precision angular contact ball bearing, featuring a 15° contact angle and hybrid ceramic rollers, is designed for high-speed and high-precision applications requiring the handling of combined loads. It is widely used in machine tool spindles and high-precision transmission systems for stable and low-friction operation, supports heavy machinery and transportation equipment in harsh environments, meets sealing and corrosion resistance requirements in chemical and energy sectors, and provides high rigidity and precision in industrial robot joints and measuring instruments. This makes it an essential component across a range of industries, ensuring optimal performance and durability in demanding conditions.
| CERTIFICATE | RoHS & REACH, IATF16949:2016 |
| Feature | High Speed and Stiffness,High Running Accuracy,High Load Carrying Capacity |
| Service | OEM&ODM Customized Services |
| Samples | Please Contact Us |
| Service | Online Support,Professional Service |
| Size | Standard,For custom sizes ,please contact us |
| Factory Manufacturer | Yes |
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7208 ACD/HCP4A Super Precision Single Row Angular Contact Ball Bearing Images
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