71801 ACD/P4DBB Super Precision Single Row Angular Contact Ball Bearing with P4 Precision Grade High Static Load Capacity 12 mm Bore Diameter
Price:
Please contact us,thanks
MOQ:
1000
Delivery Time:
2-3 weeks
Brand:
CNBTZC or OEM
Product Description
71801 ACD/P4DBB Super Precision Single Row Angular Contact Ball Bearing 7801
Product Overview
71801 ACD/P4DBB is a matched set of two super-precision, high-capacity, single row angular contact ball bearings measuring 12×21×10 mm. Featuring P4 precision grade and high static load capacity, this bearing delivers superior performance and reliability for applications requiring high rotational accuracy and stability.
Technical Specifications
| Part Number | 71801 ACD/P4DBB |
| 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 | 25° (15°, 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 |
| Lubrication | Grease or Oil |
| Tolerance Class | P4 (ABEC-7) |
| Weight | 0.012 kg |
| Matched Arrangement | DB Back-to-back <> 2 bearings |
| Universal Matching Bearing | No |
| Preload | L/Light/Class B |
Load and Speed Ratings
| Dynamic Radial Load | 3190 N |
| Static Radial Load | 2240 N |
| Reference Speed For Grease (r/min) | 63,000 rpm |
| Limiting Speed For Oil (r/min) | 95,000 rpm |
Performance Features
- 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
Applications
The 71801 ACD/P4DBB bearing is widely utilized across various industries including:
- Textile machinery
- Mechanical processing equipment (Roots pumps, beverage production lines)
- Food processing squeezer machines
- Transportation equipment
- Material handling machinery
- Transmissions in automobiles
- Hoists in mining and construction
- Machine tool spindles
- Heavy-duty mining equipment
- Toy manufacturing
- Excavators
Certification & Services
| 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 |
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Beining Intelligent Technology (Zhejiang) Co., Ltd
Location
No.502,Xinxing Third Road,Cixi Intelligent Home Appliance High Tech Industrial Development Zone, Zhejiang,China
Contact Person
Shelley Dong