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 |
