7008 CD/P4A 40*68*15 mm Super Precision High Capacity Single Row Angular Contact
Ball Bearing High Speed
Super-precision, high-capacity D design, single row angular contact
ball bearing
The 7008 CD/P4A bearing,bore diameter is 40 mm, outside diameter is
68 mm,width is 15 mm,featuring precise dimensions, high static load
capacity, P4A precision grade, delivers superior performance and
reliability for applications requiring high rotational accuracy and
stability.
| Part Number | 7008 CD/P4A |
| 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) | 68 mm |
| Outer Bore Diameter Tolerance | -0.007mm to 0 |
| Width (B) | 15 mm |
| Width Tolerance | -0.2mm to 0 |
| Specifications | Contact Angle | 15° (25°,40° Available) |
| Material | Chrome Steel |
| Cage Material | Phenolic |
| Number of Rows | 1 Single Row |
| Seal Type | Open |
| Temperature Range | -30°C to 150°C |
| Lubrication | Grease or Oil |
| Tolerance Class | P4A better than P4 |
| Weight | 0.19 kg |
| Matched Arrangement | No |
| Universal Matching Bearing | No |
| Preload | Not applicable |
| Load and Speed | Dynamic Radial Load | 16800 N |
| Static Radial Load | 11000 N |
| Reference Speed For Grease (r/min) | 20,000 rpm |
| Limiting Speed For Oil(r/min) | 32,000 rpm |
What's the Performance Features of 7008 CD/P4A Bearing?
The 7008 CD/P4A 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 7008 CD/P4A Bearing?
7008 CD/P4A bearing, as a high-precision angular contact ball
bearing, is primarily used in applications that demand high speed,
high rigidity, and high precision. Based on the information from
search results, its specific application areas are as follows:
1. Machine Tools and Precision Equipment
- High-Speed Machining Centers: Supports spindles in milling and grinding machines, handling
axial loads at high speeds.
- Internal Grinding Machines: Used for precision tasks like grinding bearing raceways, needing
to support loads from both directions.
- Electric Spindle Systems: Enhances spindle rigidity and lifespan through optimized
preloading, reducing slippage and heat.
2. Industrial Automation
- High-Performance Motors: Suitable for devices requiring high-speed operation (up to 19,000
RPM) with minimal heat generation.
- Pumps: Ensures stability in high-speed pumps used in various industries.
- Automation Lines: Ideal for components in printing and packaging machines, offering
low noise and smooth start-up.
3. Special Applications
- Woodworking Machinery: Supports spindles, handling vibrations and shocks during wood
processing.
- Dryers and Cleaning Equipment: Features seals that extend maintenance intervals in harsh
environments.
- Laboratory Instruments: Provides precise and smooth rotation needed for equipment like
centrifuges and optical devices.
| 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 |
If you need more detailed information , feel free to ask!
