7008 CE/P4A 40*68*15 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing High Speed
Super-precision, high-speed E design, single row angular contact ball bearing
The 7008 CE/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 CE/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 | 12400 N |
Static Radial Load | 7650 N | |
Reference Speed For Grease (r/min) | 30,000 rpm | |
Limiting Speed For Oil(r/min) | 45,000 rpm |
What's the Performance Features of 7008 CE/P4A Bearing?
The 7008 CE/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 CE/P4A Bearing?
As a high-precision angular contact ball bearing, the design features of the 7008 CE/P4A (such as a 15° contact angle, and precision tolerances) make it suitable for scenarios requiring stringent speed, rigidity, and precision. Based on search results, its typical application areas include:
1. Machine Tools and High-Speed Machining Equipment
Machining Center Spindles: Supports high-speed cutting and high positioning accuracy.
Woodworking Machine Spindles: Meets stability needs at high speeds.
2. Precision Instruments and Semiconductor Manufacturing
Internal Grinding Machines, Wire Cutting Equipment: Used for precise machining.
Spindle Motors, Laser Welding Machines: Requires low friction and minimal thermal deformation.
3. Chemical and Laboratory Equipment
Slot Reactors, Chemical Pipeline Fittings: Corrosion-resistant environments.
Centrifuges, Mixing Equipment: High-speed operations.
4. Special Sealing Requirements
Sealed Models (e.g., S7008CE/P4A): Suitable for contaminated environments (like coolants, dust), extending maintenance intervals. Examples include food processing machinery or papermaking equipment.
5. Other Industrial Fields
Electroplating Equipment, Compressors, Precision Slides: Requires reliable transmission systems.
Aerospace Testing Equipment: High-speed rotating components.
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 |