728 ACD/HCP4A 8*24*8 mm Super Precision High Capacity Single Row
Angular Contact Ball Bearing Ceramic Balls High Speed
The 728 ACD/HCP4A bearing,bore diameter is 8 mm, outside diameter
is 24mm,width is 8 mm,featuring precise dimensions, high static
load capacity, P4A precision grade, and hybrid ceramic balls,
delivers superior performance and reliability for applications
requiring high rotational accuracy and stability.
| Part Number | 728 ACD/HCP4A |
| Bearing Type | Angular Contact |
| Measurement Unit | Metric |
| Dimensions | Inner Bore Diameter (d) | 8 mm |
| Inner Bore Diameter Tolerance | -0.004mm to 0 |
| Outer Bore Diameter (D) | 24 mm |
| Outer Bore Diameter Tolerance | -0.005mm to 0 |
| Width (B) | 8mm |
| 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 | Single Row |
| Seal Type | Open |
| Temperature Range | -30°C to 150°C |
| Lubrication | Lubricated |
| Tolerance Class | P4A better than P4 |
| Weight | 0.015 kg |
| Matched Arrangement | No |
| Universal Matching Bearing | No |
| Preload | Not applicable |
| Load and Speed | Dynamic Radial Load | 3580 N |
| Static Radial Load | 1340 N |
| Reference Speed For Grease (r/min) | 75,000 rpm |
| Limiting Speed For Oil(r/min) | 120,000 rpm |
What's the Performance Features of 728 ACD/HCP4A Bearing?
The 728 ACD/HCP4A bearing, engineered for high-performance
applications, features P4A grade precision, an angular contact
design for handling significant radial and axial loads. Optimized
for high-speed operation with minimal vibration, it offers smooth,
quiet performance and is constructed from premium materials to
ensure durability and longevity. This bearing maintains high
precision during operation, making it ideal for critical
applications in machine tools, automation, aerospace, medical
devices, and other industries requiring exceptional accuracy and
reliability.
What's the Applications of the 728 ACD/HCP4A Bearing?
The 728 ACD/HCP4A bearing, super-precision angular contact ball
bearing is widely used in applications demanding high accuracy and
performance, such as machine tool spindles, high-precision
machinery, industrial robots, optical equipment, automotive
components, aerospace mechanisms, and power tools. Its high
rigidity, load-carrying capacity, and rotational precision make it
ideal for ensuring stability, accuracy, and reliability in
high-speed operations across diverse industries.
| CERTIFICATE | RoHS, 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 |
