71902 ACD/P4ADGB Super Precision Angular Contact Ball Bearing with P4A Precision Grade for High Speed Operation in 15x28x14 mm
71902 ACD/P4ADGB 15×28×14 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing - High Speed
Matched set of two super-precision, high-capacity, D design, single row angular contact ball bearings.
The 71902 ACD/P4ADGB bearing features a bore diameter of 15 mm, outside diameter of 28 mm, and width of 14 mm. With precise dimensions, high static load capacity, and P4A precision grade, it delivers superior performance and reliability for applications requiring high rotational accuracy and stability.
| Part Number | 71902 ACD/P4ADGB |
|---|---|
| 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 (2×7 mm) |
| Width Tolerance | -0.2mm to 0 |
| Contact Angle | 25° (15°, 40° Available) |
| Material | Chrome Steel |
| Cage Material | Phenolic |
| Number of Rows | 2 (2× Single Row) |
| Seal Type | Open |
| Temperature Range | -30°C to 150°C |
| Number of bearings in matched set | 2 |
| Tolerance Class | P4A better than P4 (ABEC-7) |
| Weight | 0.03 kg |
| Matched Arrangement | Universal Matching |
| Universal Matching Bearing | Yes, back-to-back (<>), face-to-face (><) or tandem (>>) DB, DF, DT 2 bearings |
| Preload | L/Light/Class B |
| Dynamic Radial Load | 6180 N |
| Static Radial Load | 3600 N |
| Reference Speed For Grease (r/min) | 53,000 rpm |
| Limiting Speed For Oil (r/min) | 80,000 rpm |
- Engineered for high-precision and high-performance applications
- Very tight tolerances suitable for precise machinery
- 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
The 71902 ACD/P4ADGB bearing is renowned for its high precision, reliability, and durability, making it ideal for demanding industries including:
- Automotive
- Elevator systems
- Petrochemical
- Coal mining
- Power generation
- Railway
- Steel production
- Textile machinery
This bearing ensures stable and efficient operation under harsh conditions, including high loads, extreme temperatures, and corrosive environments, providing tailored solutions that meet specific industry needs.
Certifications: RoHS & REACH, IATF16949:2016
Key Features: High Speed and Stiffness, High Running Accuracy, High Load Carrying Capacity
Services: OEM & ODM Customized Services, Online Support, Professional Service
Sizing: Standard sizes available, custom sizes upon request
Manufacturing: Factory Manufacturer
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.