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{"title":"71903 ACD\/HCP4A Super Precision Angular Contact Ball Bearing with 17 mm Bore","imgUrl":"https:\/\/img.chinax.com\/nimg\/99\/b5\/7991cdc0a85ecd064ed090914835-200x200-1\/71903_acd_2fhcp4a_super_precision_angular_contact_ball_bearing_with_17_mm_bore_diameter_p4a_precision_grade_and_hybrid_ceramic_bal.jpg","attrs":{"Structure":"Angular Contact","Delivery Time":"2-4 weeks","Part Number":"71903 ACD\/HCP4A Angular Contact Ball Bearing","Lubrication":"Grease,Oil"}}
{"title":"71910 ACD\/P4A Super Precision Single Row Angular Contact Ball Bearing with","imgUrl":"https:\/\/img.chinax.com\/nimg\/66\/4d\/846e0eaeb6ee849f1df52890ce7a-200x200-1\/71910_acd_2fp4a_super_precision_single_row_angular_contact_ball_bearing_with_50x72x12_mm_dimensions_and_high_static_load_capacity.jpg","attrs":{"Structure":"Angular Contact","Lubrication":"Grease,Oil","Part Number":"71910 ACD\/P4A Angular Contact Ball Bearing","Brand Name":"CNBTZC or OEM"}}
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S71910 ACE / P4A Super Precision Single Row Angular Contact Ball Bearing 7910 2RZ
S71910 ACE/P4A 50×72×12 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing
High Speed Super-precision, high-speed E design, single row angular contact ball bearing with seals
The S71910 ACE/P4A bearing features a bore diameter of 50 mm, outside diameter of 72 mm, and width of 12 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
S71910 ACE/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: 25° (15°, 40° Available) Material: Chrome Steel Cage Material: Phenolic Number of Rows: 1 Single Row Seal Type: Seal on both sides Temperature Range: -30°C to 150°C Lubrication: 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: 12,100 N Static Radial Load: 8,150 N Reference Speed For Grease: 23,000 rpm Limiting Speed For Oil: 36,000 rpm
Performance Features
The S71910 ACE/P4A angular contact ball bearing is engineered for high-precision and high-performance applications, featuring:
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 S71910 ACE/P4A bearing is a super precision angular contact ball bearing featuring high speed, high precision, and high rigidity. It is widely used in fields demanding extreme precision, speed, and reliability:
1. Machine Tool Industry
Widely applied in the spindles of CNC machines and precision grinding machines. It can withstand high rotational speeds and significant radial and axial loads, ensuring the precision of cutting tools during high-speed rotation. This guarantees the production of high-precision components.
2. High-Speed Machinery
Commonly used in high-speed equipment such as drilling machines, milling machines, and other high-speed devices. Its low-friction design and excellent heat dissipation performance ensure stable and reliable operation at high speeds, reducing heat generation and wear while extending equipment lifespan.
3. Aerospace Industry
Critical in aerospace components such as gyroscopes, actuators, and jet engine parts. The bearing's high precision and stability meet the stringent operational requirements of aerospace equipment under extreme conditions, ensuring precise and reliable flight control systems.
4. Medical Equipment
Used in high-speed medical devices such as dental drills and medical imaging equipment. Its precision ensures accurate operation, such as in dental drills for dental restoration, which require extremely high rotational speed and accuracy. In medical imaging equipment, it helps maintain the clarity and accuracy of imaging.
5. Semiconductor Manufacturing
Applied in semiconductor production equipment like lithography machines and etching machines. These devices require extremely high precision and speed during wafer processing. The S71910 ACE/P4A bearing ensures precision and consistency in wafer fabrication, enhancing semiconductor product quality and production efficiency.
If you need more detailed information, feel free to ask!
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...
