S7208 CD/P4A 40*80*18 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing
Super-precision, high-capacity, single row angular contact ball bearing with seals
The S7208 CD/P4A bearing,with a bore diameter of 40 mm,outside diameter of 80 mm,and width of 18 mm,features precise dimensions, high static load capacity, and is manufactured to the P4A precision grade.This bearing delivers superior performance and reliability, making it ideal for applications that require high rotational accuracy and stability.
Part Number | S7208 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) | 80 mm | |
Outer Bore Diameter Tolerance | -0.007mm to 0 | |
Width (B) | 18 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 | Seal on both sides | |
Temperature Range | -30°C to 150°C | |
Lubrication | Grease | |
Tolerance Class | P4A better than P4 (ABEC-7) | |
Weight | 0.38 kg | |
Matched Arrangement | No | |
Universal Matching Bearing | No | |
Preload | Not applicable | |
Load and Speed | Dynamic Radial Load | 33800 N |
Static Radial Load | 24000 N | |
Reference Speed For Grease (r/min) | 18,000 rpm | |
Limiting Speed For Oil(r/min) | 30,000 rpm |
What's the Performance Features of S7208 CD/P4A Bearing?
The S7208 CD/P4A 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 S7208 CD/P4A Bearing?
The S7208 CD/P4A super-precision angular contact ball bearing is designed for high-speed, high-rigidity, and high-accuracy applications, making it ideal for use in high-speed machine tools and machining centers, where it supports stable, precise operations up to 18,000 rpm. It excels in precision industrial equipment like internal grinding machines and woodworking machinery by reducing vibration and extending tool life. Its hybrid ceramic design (with silicon nitride balls) suits frequent start-stop scenarios and high-temperature environments, reducing frictional heat and enhancing lubrication intervals. Furthermore, its optimized contact angle design provides balanced load capacity, making it suitable for high-rigidity support structures in robots and precision measuring instruments, thus serving a wide range of demanding industrial applications with superior performance and reliability.
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 |