S71911 CD/P4A 55*80*13 mm Super Precision High Capacity Single Row
Angular Contact Ball Bearing
Super-precision, high-speed B design, single row angular contact
ball bearing with seals
The S71911 CD/P4A bearing,bore diameter is 55 mm, outside diameter is 80 mm,width is
13 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 | S71911 CD/P4A |
| Bearing Type | Angular Contact |
| Measurement Unit | Metric |
| Dimensions | Inner Bore Diameter (d) | 55 mm |
| Inner Bore Diameter Tolerance | -0.007mm to 0 |
| Outer Bore Diameter (D) | 80 mm |
| Outer Bore Diameter Tolerance | -0.007mm to 0 |
| Width (B) | 13 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 | Oil,Grease |
| Tolerance Class | P4A better than P4 (ABEC-7) |
| Weight | 0.18 kg |
| Matched Arrangement | No |
| Universal Matching Bearing | No |
| Preload | Not applicable |
| Load and Speed | Dynamic Radial Load | 19500 N |
| Static Radial Load | 14600 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 S71911 CD/P4A Bearing?
The S71911 CD/P4A angular contact ball bearing is engineered for
high-precision and high-performance applications, featuring very
tight tolerances suitable for precise machinery, the ability to
handle both radial and axial loads simultaneously, high-speed
operation with stability, low torque and friction for energy
efficiency, enhanced rigidity for accuracy under heavy loads,
durability with extended service life, effective performance across
a wide temperature range.
What's the Applications of the S71911 CD/P4A Bearing?
Applications of S71911 CD/P4A Bearing as following:
Industrial Machinery
- Drilling Machines: Used in radial drills to support high-speed rotation and ensure
accurate drilling.
- Welding Machines: Helps control electrode movement for precise and stable welding.
- Folding Machines: Ensures accurate paper folding in packaging or printing
equipment.
Plastics Industry
- Pelletizing Machines & Plastic Sheet Machines: Can work under high temperature and heavy load, helping produce
plastic pellets and sheets efficiently and steadily.
Food & Beverage Industry
- Used in food processing and biscuit machines where hygiene and
reliability are important.
Electronics Manufacturing
- SMT Machines & Reflow Ovens: High precision and speed help place and solder electronic
components accurately.
Other Applications
- Mining Equipment: Withstands dusty and wet conditions, providing reliable operation
in separation machines.
- Dump Trucks: Supports key parts like the drive shaft under heavy loads.
- Dehumidifiers: Keeps fans running smoothly for stable performance.
- Testing Equipment: Ensures accurate measurements in melt index testers.
| 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!
