Beining Intelligent Technology (Zhejiang) Co., Ltd
| Payment Terms | L/C,T/T |
| Supply Ability | 200000pcs per month |
| Delivery Time | 2-4 weeks |
| Packaging Details | plastic bag,box,carton,pallet |
| Part Number | 71910 CB/HCP4A Angular Contact Ball Bearing |
| Structure | Angular Contact |
| Seals Type | Open (2RZ available) |
| Ring type | One-piece inner and outer rings |
| Lubrication | Grease,Oil |
| Replaceable With | SKF, NSK 7910CSN24TRP4 |
| Coating | Without |
| Sealing | Without |
| Design | High-speed B |
| Contact type | Normal contact (two-point contact) |
| Brand Name | CNBTZC or OEM |
| Model Number | 71910 CB/HCP4A |
| Certification | IATF16949:2016 |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C,T/T | Supply Ability | 200000pcs per month |
| Delivery Time | 2-4 weeks | Packaging Details | plastic bag,box,carton,pallet |
| Part Number | 71910 CB/HCP4A Angular Contact Ball Bearing | Structure | Angular Contact |
| Seals Type | Open (2RZ available) | Ring type | One-piece inner and outer rings |
| Lubrication | Grease,Oil | Replaceable With | SKF, NSK 7910CSN24TRP4 |
| Coating | Without | Sealing | Without |
| Design | High-speed B | Contact type | Normal contact (two-point contact) |
| Brand Name | CNBTZC or OEM | Model Number | 71910 CB/HCP4A |
| Certification | IATF16949:2016 | Place of Origin | China |
71910 CB/HCP4A 50*72*12 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing Hybrid Ceramic Balls High Speed
Super-precision, high-speed B design, single row angular contact ball bearing
The 71910 CB/HCP4A bearing,bore diameter is 50 mm, outside diameter is 72 mm,width is 12 mm,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.
| Part Number | 71910 CB/HCP4A | |
| Bearing Type | Angular Contact | |
| Measurement Unit | Metric | |
| Dimensions | Inner Bore Diameter (d) | 50 mm |
| Inner Bore Diameter Tolerance | -0.006mm to 0 | |
| Outer Bore Diameter (D) | 72 mm | |
| Outer Bore Diameter Tolerance | -0.007mm to 0 | |
| Width (B) | 12 mm | |
| Width Tolerance | -0.2mm to 0 | |
| Specifications | 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 | 0.13 kg | |
| Matched Arrangement | No | |
| Universal Matching Bearing | No | |
| Preload | Not applicable | |
| Load and Speed | Dynamic Radial Load | 7800 N |
| Static Radial Load | 6300 N | |
| Reference Speed For Grease (r/min) | 30,000 rpm | |
| Limiting Speed For Oil(r/min) | 45,000 rpm | |
What's the Performance Features of 71910 CB/HCP4A Bearing?
The 71910 CB/HCP4A angular contact ball bearing is engineered for high-precision and high-performance applications, featuring very tight tolerances suitable for precise machinery, the 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.
What's the Applications of the 71910 CB/HCP4A Bearing?
The 71910 CB/HCP4A bearing, as a super-precision angular contact ball bearing, is widely used in various fields due to its high-speed capability, high rigidity, and P4-level accuracy. Below are its primary applications:
1. Precision Machine Tool Field
Machine Tool Spindles: The P4-level accuracy and hybrid ceramic material (steel balls with ceramic cages) meet the requirements of CNC machines and machining center spindles for high-speed rotation (up to 34,000 rpm with oil lubrication) and radial/axial rigidity. It is particularly suitable for high-precision machining scenarios such as milling and turning.
Machine Tool Functional Components: Used in table guideways, screw support positions, and other areas to ensure positioning accuracy and dynamic stability. Commonly found in equipment like grinders and boring machines.
2. Printing and Packaging Equipment
High-Speed Printing Machines: In equipment such as Heidelberg printing machines, it supports the high-speed operation of rollers, adapts to frequent starts/stops and load changes, and ensures precise color registration.
Automated Packaging Lines: Plays a critical role in precision transmission for slitting machines and die-cutting machines, reducing vibration effects on packaging quality .
3. Aerospace and Scientific Instruments
Aero-Engine Test Stands: Withstands extreme speeds and temperature conditions, used in turbo-shaft simulation test systems .
High-Precision Measuring Equipment: Applied to rotating components of precision instruments such as laser interferometers and spectrometers, ensuring measurement repeatability .
4. Special Industrial Equipment
High-Speed Electric Spindles: PCB drilling machines and micro-tool processing equipment .
Robot Joints: Used in collaborative robot harmonic reducer supports, balancing high rigidity and low friction characteristics .
| 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!
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Seller
Year Established:
2013
Total Annual:
30000000-+
Employee Number:
200~+
Ecer Certification：
Verified Supplier
At Beining Intelligent Technology (Zhejiang) Co.,Ltd, we specialize in designing and manufacturing super precision bearings for CNC machine tool spindles,robots and motors with an annual capacity of 200 million units. Our blend of innovation and scalable production serves industries worldwide. Ke... At Beining Intelligent Technology (Zhejiang) Co.,Ltd, we specialize in designing and manufacturing super precision bearings for CNC machine tool spindles,robots and motors with an annual capacity of 200 million units. Our blend of innovation and scalable production serves industries worldwide. Ke...
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