71902 CEGA/P4A Super Precision Single Row Angular Contact Ball Bearing with P4A Precision Grade and High Speed E Design 15x28x7 mm
Price:
Please contact us,thanks
MOQ:
1000
Delivery Time:
2-4 weeks
Brand:
CNBTZC or OEM
Product Description
71902 CEGA/P4A Super Precision Single Row Angular Contact Ball Bearing 7902
Product Overview
71902 CEGA/P4A 15×28×7 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing - High Speed
Super-precision, high-speed E design, universally matchable single row angular contact ball bearing. The 71902 CEGA/P4A bearing features precise dimensions, high static load capacity, P4A precision grade, and delivers superior performance and reliability for applications requiring high rotational accuracy and stability.
Technical Specifications
| Part Number | 71902 CEGA/P4A |
| 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) | 7 mm |
| Width Tolerance | -0.2mm to 0 |
| Contact Angle | 15° (25°, 40° Available) |
| Material | Chrome Steel |
| 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 | 0.015 kg |
| Matched Arrangement | No |
| 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 | 3190 N |
| Static Radial Load | 1370 N |
| Reference Speed For Grease | 75,000 rpm |
| Limiting Speed For Oil | 115,000 rpm |
Product Images
Performance Features
- 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
Applications
The 71902 CEGA/P4A bearing is a precision angular contact ball bearing renowned for its exceptional performance and reliability. It is widely used in various industries:
- Metallurgy: High-load and high-speed equipment like rolling mills
- Power Generation: Critical components such as wind turbine gearboxes and hydroelectric turbines
- Steel Production: Production lines to ensure continuous and stable operation
- Machine Tool Manufacturing: Enhancing machining accuracy and efficiency
- Mining Machinery: Improving performance and longevity of excavators and conveyors
- Construction Equipment: Ensuring safety and efficiency of lifting machinery and concrete mixers
- Road Construction Machinery: Crucial transmission and support roles in devices like bulldozers and graders
- Railway Sector: Maintaining the safe operation of trains
Certifications & Services
Certifications:
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