S7210 CD/P4A 50*90*20 mm Super Precision High Capacity Single Row
Angular Contact Ball Bearing
Super-precision, high-capacity, single row angular contact ball
bearing with seals
The S7210 CD/P4A bearing,with a bore diameter of 50 mm,outside diameter of 90 mm,and
width of 20 mm,features precise dimensions, high static load
capacity, and is manufactured to the P4A precision grade. Equipped
with hybrid ceramic balls, this bearing delivers superior
performance and reliability, making it ideal for applications that
require high rotational accuracy and stability.
| Part Number | S7210 CD/P4A |
| Bearing Type | Angular Contact |
| Measurement Unit | Metric |
| Dimensions | Inner Bore Diameter (d) | 50 mm |
| Inner Bore Diameter Tolerance | -0.006mm to 0 |
| Outer Bore Diameter (D) | 90 mm |
| Outer Bore Diameter Tolerance | -0.008 mm to 0 |
| Width (B) | 20 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 | 0.46 kg |
| Matched Arrangement | No |
| Universal Matching Bearing | No |
| Preload | Not applicable |
| Load and Speed | Dynamic Radial Load | 44900 N |
| Static Radial Load | 34000 N |
| Reference Speed For Grease (r/min) | 16,000 rpm |
| Limiting Speed For Oil(r/min) | 26,000 rpm |
What's the Performance Features of 7210 CD/P4A Bearing?
The 7210 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 7210 CD/P4A Bearing?
The S7210 CD/P4A is an angular contact ball bearing widely used in various
industries due to its ability to handle both radial and axial loads
while operating at high speeds. Below are the main application
areas:
1. Machine Tools
- High-Speed Machining Centers: Ensures stable and precise spindle rotation for accurate
machining.
- High-Speed Milling Machines: Improves milling efficiency and quality with high-speed
performance and precision.
- High-Speed Grinding Machines: Provides stability for precise grinding operations.
2. Aerospace Industry
Used in engines and transmission systems where high precision,
reliability, and performance are critical.
3. Wind Power Industry
Suitable for gearboxes and main shafts in wind turbines, ensuring
reliable operation under heavy loads and harsh 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 |
