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71801 ACD/P4QBCB 12*21*20 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing
Matched set of four super-precision, high-capacity, D design, single row angular contact ball bearings
The 71801 ACD/P4QBCB bearing,bore diameter is 12 mm, outside diameter is 21mm,width is 20 mm,featuring precise dimensions, high static load capacity, P4 precision grade, delivers superior performance and reliability for applications requiring high rotational accuracy and stability.
| Part Number | 71801 ACD/P4QBCB | |
| Bearing Type | Angular Contact | |
| Measurement Unit | Metric | |
| Dimensions | 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) | 20 mm (4*5mm) | |
| Width Tolerance | -0.2mm to 0 | |
| Specifications | Contact Angle | 25° (15°,40° Available) |
| Material | Chrome Steel | |
| Cage Material | Phenolic | |
| Number of Rows | 4 (4*Single Row) | |
| Seal Type | Open | |
| Temperature Range | -30°C to 150°C | |
| Number Of Bearings In Matched Set | 4 | |
| Tolerance Class | P4 (ABEC-7) | |
| Weight | 0.024 kg | |
| Matched Arrangement | QBC <<>> 4 bearings | |
| Universal Matching Bearing | No | |
| Preload | L/Light/Class B | |
| Load and Speed | Dynamic Radial Load | 5200 N |
| Static Radial Load | 4500 N | |
| Reference Speed For Grease (r/min) | 63,000 rpm | |
| Limiting Speed For Oil(r/min) | 95,000 rpm | |
What's the Performance Features of 71801 ACD/P4QBCB Bearing?
The 71801 ACD/P4QBCBangular 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 71801 ACD/P4QBCB Bearing?
The 71801 ACD/P4QBCB bearing, precision angular contact ball bearing,is widely used across various industries to ensure the stable, efficient, and precise operation of machinery. It supports applications ranging from industrial textile machines and agricultural plastic weaving equipment to beverage production lines, construction squeezer machines, food service mixers, refrigeration condensers, plunger pumps, worm gear reducers, and bellows equipment. This versatile bearing enhances equipment performance, durability, and reliability in demanding industrial environments.
| 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 |