S71909 ACE/HCP4A 45*68*12 mm Super Precision High Capacity Single
Row Angular Contact Ball Bearing Hybrid Ceramic Balls High Speed
Super-precision, high-speed E design, single row angular contact
ball bearing with seals
The S71909 ACE/HCP4A bearing,bore diameter is 45 mm, outside diameter is 68 mm,width is
12 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 | S71909 ACE/HCP4A |
| Bearing Type | Angular Contact |
| Measurement Unit | Metric |
| Dimensions | Inner Bore Diameter (d) | 45 mm |
| Inner Bore Diameter Tolerance | -0.006mm to 0 |
| Outer Bore Diameter (D) | 68 mm |
| Outer Bore Diameter Tolerance | -0.007mm to 0 |
| Width (B) | 12 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 | 0.13 kg |
| Matched Arrangement | No |
| Universal Matching Bearing | No |
| Preload | Not applicable |
| Load and Speed | Dynamic Radial Load | 9750 N |
| Static Radial Load | 6400 N |
| Reference Speed For Grease (r/min) | 30,000 rpm |
| Limiting Speed For Oil(r/min) | 47,000 rpm |
What's the Performance Features of S71909 ACE/HCP4A Bearing?
The S71909 ACE/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 S71909 ACE/HCP4A Bearing?
The S71909 ACE/HCP4A bearing, a precision angular contact ball bearing, is renowned for its
high precision, high-speed capability, and high load-carrying
capacity. It finds widespread use in the following fields:
1. Machine Tools and Industrial Equipment
- Used in high-precision spindles for CNC machines, grinders, and
milling machines.
- Handles loads in heavy machinery like gantry mills, shears, and
press brakes.
2. Automation and Precision Machinery
- Works in engraving machines, CNC tool changers, and textile
machines that need rigidity and dynamic performance.
- Ensures stable high-speed operation in pick-and-place machines and
deep hole drills.
3. Energy and Environmental Equipment
- Applied in gas furnaces, cooling towers, and dryers for energy and
environmental use.
4. Light Industry and Packaging Machinery
- Suitable for garment machines, packaging equipment, and
multi-functional packaging systems.
5. Automotive and Transportation
- Supports automotive manufacturing tools (e.g., welding and testing
machines) and lightweight truck parts.
6. Other Specialized Fields
- Used in stone machinery, hydraulic chucks, and electrolytic cells
for special industrial applications.
| 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 |
If you need more detailed information , feel free to ask!
