S71904 ACD/HCP4A 20*37*9 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 with seals
The S71904 ACD/HCP4A bearing,bore diameter is 20 mm, outside diameter is 37 mm,width is
9 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 | S71904 ACD/HCP4A |
| Bearing Type | Angular Contact |
| Measurement Unit | Metric |
| Dimensions | Inner Bore Diameter (d) | 20 mm |
| Inner Bore Diameter Tolerance | -0.005mm to 0 |
| Outer Bore Diameter (D) | 37 mm |
| Outer Bore Diameter Tolerance | -0.006mm to 0 |
| Width (B) | 9 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 | Seal on both sides |
| Temperature Range | -30°C to 150°C |
| Lubrication | Grease |
| Tolerance Class | P4A better than P4 (ABEC-7) |
| Weight | 0.033 kg |
| Matched Arrangement | No |
| Universal Matching Bearing | No |
| Preload | Not applicable |
| Load and Speed | Dynamic Radial Load | 5720 N |
| Static Radial Load | 3050 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 S71904 ACD/HCP4A Bearing?
The S71904 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 S71904 ACD/HCP4A Bearing?
The S71904 ACD/HCP4A bearing,known for its high precision and high load capacity, is
widely used in various industrial applications including box drying
equipment, drilling machines, impact testers, extrusion equipment,
manual pumps, condensers, pressing machines, barcode devices,
rubber molding machines, cooling towers, cold heading machines, and
flash dryers. Its ability to provide stable, accurate support under
demanding conditions makes it essential for enhancing the
performance, efficiency, and reliability of a wide range of
machinery and processes.
| 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 |
