71902 CE/P4ADBA Super Precision Angular Contact Ball Bearing with High Speed and P4A Precision Grade
Price:
Please contact us,thanks
MOQ:
1000
Delivery Time:
2-4 weeks
Brand:
CNBTZC or OEM
Product Description
71902 CE/P4ADBA Super Precision Single Row Angular Contact Ball Bearing
71902 CE/P4ADBA 15×28×14 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing - High Speed
Matched set of two super-precision, high-speed E design, single row angular contact ball bearings.
The 71902 CE/P4ADBA 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.
Technical Specifications
| Part Number | 71902 CE/P4ADBA |
|---|---|
| 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 | 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 | DB Back-to-back <> 2 bearings |
| Universal Matching Bearing | No |
| Preload | EL/Extra Light/Class A |
Load and Speed Specifications
| Dynamic Radial Load | 5200 N |
|---|---|
| Static Radial Load | 2750 N |
| Reference Speed For Grease (r/min) | 75,000 rpm |
| Limiting Speed For Oil (r/min) | 115,000 rpm |
Performance Features
- 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
Applications
The 71902 CE/P4ADBA bearing is widely used across various demanding industrial applications including:
- Metallurgy - supporting high-load and high-speed machinery like rolling mills
- Power generation - enhancing stability and longevity of generators and wind turbines
- Steel production - withstanding extreme conditions in blast furnaces
- Machine tool manufacturing - improving machining accuracy and stability
- Mining - increasing reliability of digging and conveying equipment
- Construction - ensuring safe operation of heavy machinery
- Road construction - providing essential support for bulldozers and graders
- Railways - enhancing speed and safety of trains
Certifications & Services
Certificates:
RoHS & REACH, IATF16949:2016
RoHS & REACH, IATF16949:2016
Features:
High Speed and Stiffness, High Running Accuracy, High Load Carrying Capacity
High Speed and Stiffness, High Running Accuracy, High Load Carrying Capacity
Services:
OEM & ODM Customized Services, Online Support, Professional Service
OEM & ODM Customized Services, Online Support, Professional Service
Sizes:
Standard sizes available, custom sizes upon request
Standard sizes available, custom sizes upon request
Manufacturer:
Factory Manufacturer
Factory Manufacturer
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Beining Intelligent Technology (Zhejiang) Co., Ltd
Location
No.502,Xinxing Third Road,Cixi Intelligent Home Appliance High Tech Industrial Development Zone, Zhejiang,China
Contact Person
Shelley Dong