S71910 ACDTP/HCP4B
Hybrid Ceramic Super Precision Bearings
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S71910 ACDTP/HCP4B Bearing Product Overview & Core Advantages
The S71910 ACDTP/HCP4B is a single-row angular contact ball bearing engineered for applications demanding high precision and superior performance. Characterized by its P4 (ABEC-7) tolerance class and ceramic ball construction, this bearing is designed to handle high-speed operations and provide exceptional rigidity. Its 25° contact angle is optimized for supporting significant combined loads—both radial and axial—making it an ideal component for high-reliability, precision machinery where accuracy and long service life are paramount.
S71910 ACDTP/HCP4B Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S | Stainless Steel Bearing Ring Material |
| 7 | Angular Contact Bearing Type |
| 1910 | Size Series: 10mm Bore, 72mm OD, 12mm Width |
| AC | 25° Contact Angle |
| DTP | Polyamide Cage (Phenolic Resin) |
| HC | Hybrid Ceramic Balls (Silicon Nitride) |
| P4B | High Precision Tolerance Class (ABEC-7) |
S71910 ACDTP/HCP4B Bearing Structural Features & Performance Benefits
Hybrid Ceramic Construction: The use of ceramic (silicon nitride) balls significantly reduces friction and wear, enabling higher limiting speeds (19,000 rpm) and extended service life compared to all-steel bearings. This construction also provides superior resistance to thermal expansion and electrical arcing.
High Rigidity & Load Capacity: The 25° contact angle and precision-ground raceways provide excellent stiffness, allowing the bearing to effectively handle combined radial and axial loads. The dynamic load rating of 2858 lbf ensures reliable performance under demanding conditions.
Precision & Speed: Manufactured to P4 (ABEC-7) tolerance standards, this bearing ensures minimal runout and vibration, which is critical for high-speed applications. The lightweight phenolic resin cage (DTP) contributes to smooth operation at high rotational speeds.
Pre-lubricated & Sealed: The bearing comes pre-lubricated and is sealed, protecting against contamination and retaining lubrication, which supports maintenance-free operation within its specified temperature range of -30°C to 110°C.
S71910 ACDTP/HCP4B Bearing Typical Application Areas
The S71910 ACDTP/HCP4B is ideally suited for high-performance applications requiring precision and speed, such as:
- Machine Tool Spindles
- High-Speed CNC Machining Centers
- Precision Grinding Spindles
- Robotic Arm Joints and Drives
- High-Frequency Electric Motors
- Aerospace Actuation Systems
- Medical and Dental Handpieces
