71911 ACB/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
The 71911 ACB/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 | 71911 ACB/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 | 25° (15°,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 | 9360 N |
| Static Radial Load | 7650 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 71911 ACB/P4A Bearing?
The 71911 ACB/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 71911 ACB/P4A Bearing?
The 71911 ACB/P4A bearing is widely used across various fields.
Below are the specific applications:
Industrial Manufacturing
- Plastics and Rubber: Used in machines like compression molding equipment, ensuring
stable operation for high-quality production.
- Binding Machines: Provides precise rotation and positioning, ensuring accurate and
neat binding of materials.
Machinery and Equipment
- Cleaning Machines: Works well in humid environments and frequent start-stop
operations, such as in glass cleaning machines.
- Dryers: Ensures smooth operation in flash dryers and rotary dryers,
improving drying efficiency under high temperatures and loads.
- Mesh Belt Furnaces: Keeps the mesh belt running smoothly, ensuring even heating and
treatment of workpieces.
Welding Equipment
- AC and Manual Welders: Supports precise and stable welding operations, improving welding
quality.
Other Fields
- Pressing Tables: Ensures smooth ironing by allowing flexible movement of
components.
- Lab Mixing Equipment: Provides stable rotation for thorough mixing of substances in
laboratory settings.
| 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!
