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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"}}
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S71907 ACB/HCP4A Super Precision Single Row Angular Contact Ball Bearing 7907 2RZ
S71907 ACB/HCP4A 35×55×10 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 with seals. The S71907 ACB/HCP4A bearing features precise dimensions, high static load capacity, P4A precision grade, and hybrid ceramic balls, delivering superior performance and reliability for applications requiring high rotational accuracy and stability.
Technical Specifications
Part Number
S71907 ACB/HCP4A
Bearing Type
Angular Contact
Measurement Unit
Metric
Inner Bore Diameter (d)
35 mm
Inner Bore Diameter Tolerance
-0.006mm to 0
Outer Bore Diameter (D)
55 mm
Outer Bore Diameter Tolerance
-0.007mm to 0
Width (B)
10 mm
Width Tolerance
-0.2mm to 0
Contact Angle
25° (15°, 40° Available)
Material
Hybrid (Chrome Steel Rings, Ceramic Balls)
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
0.077 kg
Dynamic Radial Load
4880 N
Static Radial Load
3450 N
Reference Speed For Grease
36,000 rpm
Limiting Speed For Oil
56,000 rpm
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 a wide temperature range
Applications
The S71907 ACB/HCP4A is a high-precision angular contact ball bearing designed for demanding applications requiring high speed, rigidity, and accuracy. It is utilized in:
Spindle systems of CNC machines and machining centers
Construction machinery like bulldozers and tower cranes
Aerospace equipment including auxiliary power systems and precision instruments
Medical devices such as imaging tools and surgical instruments
Food packaging machinery for high-speed sealing and packaging
Cooling towers, rolling machines, and automotive manufacturing
Certifications & Services
CERTIFICATE
RoHS & REACH, IATF16949:2016
Feature
High Speed and Stiffness, High Running Accuracy, High Load Carrying Capacity
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 efficiency, we serv...
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 efficiency, we serv...