S71902 CD/HCP4ADGA Super Precision Single Row Angular Contact Ball Bearing with 15 mm Bore Diameter P4A Precision Grade and Hybrid Ceramic Balls
S71902 CD/HCP4ADGA 15×28×14 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing Hybrid Ceramic Balls High Speed
Matched set of two super-precision, high-capacity, D design, single row angular contact ball bearings with seals.
The S71902 CD/HCP4ADGA bearing features a 15 mm bore diameter, 28 mm outside diameter, and 14 mm width. With precise dimensions, high static load capacity, P4A precision grade, and hybrid ceramic balls, it delivers superior performance and reliability for applications requiring high rotational accuracy and stability.
| Part Number | S71902 CD/HCP4ADGA |
|---|---|
| Bearing Type | Angular Contact |
| Measurement Unit | Metric |
| Inner Bore Diameter (d) | 15 mm |
| Inner Bore Diameter Tolerance | -0.004mm to 0 |
| Outer Bore Diameter (D) | 28 mm |
| Outer Bore Diameter Tolerance | -0.004mm to 0 |
| Width (B) | 14 mm (2×7mm) |
| Width Tolerance | -0.2mm to 0 |
| Contact Angle | 15° (25°,40° Available) |
| Material | Hybrid (Chrome Steel Rings, Ceramic Balls) |
| Cage Material | Phenolic |
| Number of Rows | 2 (2× Single Row) |
| Seal Type | Seal on both sides |
| Temperature Range | -30°C to 150°C |
| Number of bearings in matched set | 2 |
| Tolerance Class | P4A better than P4 (ABEC-7) |
| Weight | 0.028 kg |
| Matched Arrangement | Universal Matching |
| Universal Matching Bearing | Yes, back-to-back (<>), face-to-face (><) or tandem (>>) DB,DF,DT 2 bearings |
| Preload | EL/Extra Light/Class A |
| Dynamic Radial Load | 6500 N |
| Static Radial Load | 3800 N |
| Reference Speed For Grease (r/min) | 70,000 rpm |
| Limiting Speed For Oil (r/min) | 110,000 rpm |
The S71902 CD/HCP4ADGA bearing is designed for demanding applications across various industries:
- Machine tool spindles for machining centers, milling machines, and lathes
- Robotic arms in automated production lines
- Printing machinery for accurate positioning and stable operation
- Semiconductor industry for silicon wafer handling and processing
- Medical diagnostic and therapeutic devices
- Marine gyro stabilizers in shipboard equipment
| Certificates | RoHS & REACH, IATF16949:2016 |
|---|---|
| Features | High Speed and Stiffness, High Running Accuracy, High Load Carrying Capacity |
| Service | OEM&ODM Customized Services |
| Samples | Please Contact Us |
| Support | Online Support, Professional Service |
| Size Availability | Standard, Custom sizes available upon request |
| Manufacturer | Factory Manufacturer |
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