Beining Intelligent Technology (Zhejiang) Co., Ltd
| Coating | Without |
| Structure | Angular Contact |
| Sealing | Without |
| Replaceable With | SKF, NSK 7910CTRP4 |
| Payment Terms | L/C,T/T |
| Supply Ability | 200000pcs per month |
| Delivery Time | 2-4 weeks |
| Packaging Details | plastic bag,box,carton,pallet |
| Lubrication | Grease,Oil |
| Part Number | 71910 CB/P4A Angular Contact Ball Bearing |
| Design | High-speed B |
| Contact type | Normal contact (two-point contact) |
| Ring type | One-piece inner and outer rings |
| Seals Type | Open (2RZ available) |
| Brand Name | CNBTZC or OEM |
| Model Number | 71910 CB/P4A |
| Certification | IATF16949:2016 |
| Place of Origin | China |
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Product Specification
| Coating | Without | Structure | Angular Contact |
| Sealing | Without | Replaceable With | SKF, NSK 7910CTRP4 |
| Payment Terms | L/C,T/T | Supply Ability | 200000pcs per month |
| Delivery Time | 2-4 weeks | Packaging Details | plastic bag,box,carton,pallet |
| Lubrication | Grease,Oil | Part Number | 71910 CB/P4A Angular Contact Ball Bearing |
| Design | High-speed B | Contact type | Normal contact (two-point contact) |
| Ring type | One-piece inner and outer rings | Seals Type | Open (2RZ available) |
| Brand Name | CNBTZC or OEM | Model Number | 71910 CB/P4A |
| Certification | IATF16949:2016 | Place of Origin | China |
| High Light | 7910 super precision angular contact bearing ，single row angular contact ball bearing ，CB/P4A precision ball bearing | ||
Super-precision, high-speed B design, single row angular contact ball bearing
The 71910 CB/P4A 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, delivers superior performance and reliability for applications requiring high rotational accuracy and stability.
| Part Number | 71910 CB/P4A | |
| 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 | 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 | 0.13 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) | 26,000 rpm | |
| Limiting Speed For Oil(r/min) | 38,000 rpm | |
The 71910 CB/P4A 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.
The 71910 CB/P4A bearing, as a high-precision angular contact ball bearing, is widely used in various fields due to its design features (such as P4-grade precision and high-speed performance):
Used in spindle systems of CNC machines, lathes, grinders, and other equipment.
Applied in optical instruments, laboratory equipment, and more, ensuring low noise and high positioning accuracy.
Used in robotic joints and high-precision motion control units, meeting the demands of high-speed repetitive positioning.
Used in aviation equipment transmission systems or precision control components .
Such as wind turbine spindles, special motors, and other equipment requiring long-term stable operation.
| 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
Beining Intelligent Technology Precision Bearings for High-Performance Industries At Beining Intelligent Technology, we design and manufacture precision bearings for high-demand applications in: CNC Machine Tool Spindles Robotics Motors With a focus on quality, automation, and... Beining Intelligent Technology Precision Bearings for High-Performance Industries At Beining Intelligent Technology, we design and manufacture precision bearings for high-demand applications in: CNC Machine Tool Spindles Robotics Motors With a focus on quality, automation, and...
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