71903 ACD/P4A 17*30*7 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing High Speed
Super-precision, high-capacity, single row angular contact ball bearing
The 71903 ACD/P4A bearing,bore diameter is 17 mm, outside diameter is 30 mm,width is 7 mm,featuring precise dimensions, high static load capacity, P4A precision grade, and hybrid ceramic balls, delivers superior performance and reliability for applications requiring high rotational accuracy and stability.
| Part Number | 71903 ACD/P4A |
| Bearing Type | Angular Contact |
| Measurement Unit | Metric |
| Dimensions | Inner Bore Diameter (d) | 17 mm |
| Inner Bore Diameter Tolerance | -0.004mm to 0 |
| Outer Bore Diameter (D) | 30 mm |
| Outer Bore Diameter Tolerance | -0.005mm to 0 |
| Width (B) | 7 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 | 0.017 kg |
| Matched Arrangement | No |
| Universal Matching Bearing | No |
| Preload | Not applicable |
| Load and Speed | Dynamic Radial Load | 3970 N |
| Static Radial Load | 2000 N |
| Reference Speed For Grease (r/min) | 48,000 rpm |
| Limiting Speed For Oil(r/min) | 75,000 rpm |
What's the Performance Features of 71903 ACD/P4A Bearing?
The 71903 ACD/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 71903 ACD/P4A Bearing?
The 71903 ACD/P4A bearing is renowned for its high precision and load capacity, making it indispensable in a wide range of industries including pharmaceutical packaging machinery, forging presses, chemical reactors, sludge scrapers, gear reducers, blow molding machines, agricultural machinery, abrasive pumps, textile instruments, submersible pumps, and various chemical equipment. Additionally, it excels in specialized applications such as electrical components, air compressors, automotive engines, steel rolling mills, ship propeller shafts, and precision timepieces. Its ability to ensure stable and accurate performance under demanding conditions highlights its critical role in enhancing operational efficiency and reliability across these diverse sectors.
| 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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71903 ACD/P4A Super Precision Single Row Angular Contact Ball Bearing 7903 2RZ Images
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