71801 CD/P4DBA Super Precision Single Row Angular Contact Ball Bearing with P4 Precision Grade and 12 mm Bore Diameter
71801 CD/P4DBA - 12×21×10 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing
Matched set of two super-precision, high-capacity, D design, single row angular contact ball bearings.
The 71801 CD/P4DBA bearing features a bore diameter of 12 mm, outside diameter of 21 mm, and width of 10 mm. With precise dimensions, high static load capacity, and P4 precision grade, it delivers superior performance and reliability for applications requiring high rotational accuracy and stability.
| Part Number | 71801 CD/P4DBA |
| Bearing Type | Angular Contact |
| Measurement Unit | Metric |
| Inner Bore Diameter (d) | 12 mm |
| Inner Bore Diameter Tolerance | -0.004mm to 0 |
| Outer Bore Diameter (D) | 21 mm |
| Outer Bore Diameter Tolerance | -0.004mm to 0 |
| Width (B) | 10 mm (2×5mm) |
| Width Tolerance | -0.2mm to 0 |
| Contact Angle | 15° (25°, 40° Available) |
| Material | Chrome Steel |
| Cage Material | Phenolic |
| Number of Rows | 2 (2×Single Row) |
| Seal Type | Open |
| Temperature Range | -30°C to 150°C |
| Number of bearings in matched set | 2 |
| Tolerance Class | P4 (ABEC-7) |
| Weight | 0.012 kg |
| Matched Arrangement | DB Back-to-back <> 2 bearings |
| Universal Matching Bearing | No |
| Preload | EL/Extra Light/Class A |
| Dynamic Radial Load | 3380 N |
| Static Radial Load | 2360 N |
| Reference Speed For Grease (r/min) | 70,000 rpm |
| Limiting Speed For Oil (r/min) | 110,000 rpm |
- Engineered for high-precision and high-performance applications
- Very tight tolerances suitable for precise machinery
- 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
The 71801 CD/P4DBA bearing, renowned for its superior performance and precision, finds extensive application across industries including:
- Industrial machinery and manufacturing
- Transportation systems
- Energy generation
- Material handling devices
- Gearboxes and hoists
- Printing and compression machinery
- Rolling mill necks
- Railway vehicles
- Power generation units
- Mining equipment
- Precision toy manufacturing
Certificates: RoHS & REACH, IATF16949:2016
Features: High Speed and Stiffness, High Running Accuracy, High Load Carrying Capacity
Service: OEM & ODM Customized Services
Samples: Please Contact Us
Support: Online Support, Professional Service
Size Options: Standard sizes available, custom sizes upon request
Factory Manufacturer: Yes
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.