71903 ACD/HCP4A 17*30*7 mm Super Precision High Capacity Single Row
Angular Contact Ball Bearing Hybrid Ceramic Balls High Speed
Super-precision, high-capacity, single row angular contact ball
bearing
The 71903 ACD/HCP4A 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/HCP4A |
| 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 | Hybrid (Chrome Steel Rings, Ceramic Balls) |
| Cage Material | Phenolic |
| Number of Rows | 1 Single Row |
| Seal Type | Open |
| Temperature Range | -30°C to 150°C |
| Lubrication | Grease or Oil |
| Tolerance Class | P4A better than P4 (ABEC-7) |
| Weight | 0.015 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) | 56,000 rpm |
| Limiting Speed For Oil(r/min) | 90,000 rpm |
What's the Performance Features of 71903 ACD/HCP4A Bearing?
The 71903 ACD/HCP4A 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/HCP4A Bearing?
The 71903 ACD/HCP4A bearing,distinguished by its high precision and reliability, is
extensively used across a broad range of industries including
household appliances, fuel injection pumps, industrial and domestic
pumps, gear reduction units, vibrating screens, crane systems,
tower cranes, audio equipment, and heavy-duty compaction machinery.
Its ability to ensure stable and efficient operation under diverse
conditions makes it essential for enhancing performance and
durability in applications ranging from ensuring the clarity of
sound transmission to supporting heavy loads in construction and
maintaining the efficiency of fuel systems. This bearing's
versatility and robustness highlight its critical role in improving
operational efficiency and safety across these varied 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 |
