71911 CD/HCP4A Super Precision Angular Contact Ball Bearing with Hybrid Ceramic Balls and P4A Precision Grade for High Speed Operation
Price:
Please contact us,thanks
MOQ:
1000
Delivery Time:
2-4 weeks
Brand:
CNBTZC or OEM
Product Description
71911 CD/HCP4A Super Precision Single Row Angular Contact Ball Bearing 7911
71911 CD/HCP4A 55×80×13 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing Hybrid Ceramic Balls High Speed
Super-precision, high-capacity, single row angular contact ball bearing featuring precise dimensions, high static load capacity, P4A precision grade, and hybrid ceramic balls. Delivers superior performance and reliability for applications requiring high rotational accuracy and stability.
Product Specifications
| Part Number | 71911 CD/HCP4A |
| Bearing Type | Angular Contact |
| Measurement Unit | Metric |
| Inner Bore Diameter (d) | 55 mm |
| Inner Bore Diameter Tolerance | -0.007mm to 0 |
| Outer Bore Diameter (D) | 80 mm |
| Outer Bore Diameter Tolerance | -0.007mm to 0 |
| Width (B) | 13 mm |
| 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 | 1 Single Row |
| Seal Type | Open |
| Temperature Range | -30°C to 150°C |
| Lubrication | Oil, Grease |
| Tolerance Class | P4A better than P4 (ABEC-7) |
| Weight | 0.15 kg |
| Dynamic Radial Load | 19500 N |
| Static Radial Load | 14600 N |
| Reference Speed For Grease | 19,000 rpm |
| Limiting Speed For Oil | 30,000 rpm |
Product Images
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 wide temperature range
Application Areas
Machine Tool Industry
- Machining centers (horizontal and vertical)
- Lathes
- Grinders
- Drilling machines
Meets requirements for medium-speed heavy-load applications, ensuring high precision and reliability in machining operations.
Industrial Equipment
- Hot Blast Stoves & Drying/Curing Equipment
- Coal Crushers
- Winding and Twisting Machinery
- Marking Machines & Slotting Machines
- Acid Mist Purifiers
- Oilfield Equipment
- Precision Instruments & Meters
- Energy-Saving Smelting Furnaces
- Speed Reducers
Mining & Construction Equipment
- Mining Survey Instruments
- Hoisting Equipment
- Air Flotation Equipment
- Sand Making Machines
- Needle Wheel Reducers
- Trimmers (Cutters)
- Cable Carriers (Drag Chains)
- Sand Mills
Metallurgy & Manufacturing
- Gearbox Bearing Seats in Rolling Mills
- Candy Processing Machines
- Plastic Packaging Machines
- Gear Hobbing Machines
- Plastic Extruders
- Wire Drying Machines
Agricultural & Food Processing
- Planting Machinery
- Punching Machines
- Canned Food Processing Equipment
- Cooling Pipes & Pipeline Pumps
Certifications & Services
| CERTIFICATE | RoHS & REACH, IATF16949:2016 |
| Feature | High Speed and Stiffness, High Running Accuracy, High Load Carrying Capacity |
| Service | OEM&ODM Customized Services |
| Samples | Please Contact Us |
| Service | Online Support, Professional Service |
| Size | Standard, For custom sizes, please contact us |
| Factory Manufacturer | Yes |
If you need more detailed information, feel free to ask!
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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