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Home > Products > Precision Ball Bearings > S71908 ACD/HCP4A Super Precision Single Row Angular Contact Ball Bearing with P4A Precision Grade and Hybrid Ceramic Balls 40 mm Bore

S71908 ACD/HCP4A Super Precision Single Row Angular Contact Ball Bearing with P4A Precision Grade and Hybrid Ceramic Balls 40 mm Bore

Product Details

Place of Origin: China

Brand Name: CNBTZC or OEM

Certification: IATF16949:2016

Model Number: S71908 ACD/HCP4A

Payment & Shipping Terms

Minimum Order Quantity: 1000

Price: Please contact us,thanks

Packaging Details: plastic bag,box,carton,pallet

Delivery Time: 2-4 weeks

Payment Terms: L/C,T/T

Supply Ability: 200000pcs per month

Get Best Price
Highlight:

Super Precision Angular Contact Ball Bearing

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Single Row Ball Bearing 7908 2RZ

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ACD/HCP4A Precision Ball Bearing

Part Number:
S71908 ACD/HCP4A Angular Contact Ball Bearing
Structure:
Angular Contact
Seals Type:
Sealed,Seal On Both Sides,2RZ
Ring Type:
One-piece Inner And Outer Rings
Lubrication:
Grease
Replaceable With:
SKF, NSK S7908A5SN24TRV1VP4
Coating:
Without
Sealing:
Without
Design:
High-capacity D
Contact Type:
Normal Contact (two-point Contact)
Part Number:
S71908 ACD/HCP4A Angular Contact Ball Bearing
Structure:
Angular Contact
Seals Type:
Sealed,Seal On Both Sides,2RZ
Ring Type:
One-piece Inner And Outer Rings
Lubrication:
Grease
Replaceable With:
SKF, NSK S7908A5SN24TRV1VP4
Coating:
Without
Sealing:
Without
Design:
High-capacity D
Contact Type:
Normal Contact (two-point Contact)
S71908 ACD/HCP4A Super Precision Single Row Angular Contact Ball Bearing with P4A Precision Grade and Hybrid Ceramic Balls 40 mm Bore
S71908 ACD/HCP4A Super Precision Single Row Angular Contact Ball Bearing 7908 2RZ
Product Overview

S71908 ACD/HCP4A 40×62×12 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing Hybrid Ceramic Balls High Speed

Super-precision, high-capacity design, single row angular contact ball bearing with seals. The S71908 ACD/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 S71908 ACD/HCP4A
Bearing Type Angular Contact
Measurement Unit Metric
Dimensions Inner Bore Diameter (d): 40 mm
Inner Bore Diameter Tolerance: -0.006mm to 0
Outer Bore Diameter (D): 62 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: 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: 0.1 kg
Matched Arrangement: No
Universal Matching Bearing: No
Preload: Not applicable
Load and Speed Dynamic Radial Load: 11700 N
Static Radial Load: 8000 N
Reference Speed For Grease: 24,000 rpm
Limiting Speed For Oil: 38,000 rpm
S71908 ACD/HCP4A Super Precision Angular Contact Ball Bearing Technical diagram of S71908 ACD/HCP4A bearing
Performance Features
  • Engineered for high-precision and high-performance applications
  • 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

S71908 ACD/HCP4A as a high-precision angular contact ball bearing, is primarily used in industrial settings that require precise operation, high-speed performance, and the ability to withstand heavy loads.

Industrial Equipment and Mechanical Manufacturing
  • Machine Tools: Used in high-precision CNC machines and grinders for spindles and slides
  • Gearboxes: Suitable for three-ring, vertical/horizontal gearboxes, offering high load capacity and stability
  • Welding Equipment: Such as arc welders and gas shielded welders, designed for frequent start-stop cycles and high-speed operation
Heavy Machinery and Engineering Equipment
  • Agricultural Machinery: Including tractors and grain processing equipment, handling complex loads and vibrations
  • Smelting and Chemical Equipment: Like smelting plant machinery and evaporators, relying on heat resistance and sealing performance
Precision Instruments and Specialized Equipment
  • Medical Devices: Such as insulating glass production lines and medical CT scanners, requiring high cleanliness and low friction
  • Robotics: Currently in testing phase, potentially used in reducers or screw drive components
  • Semiconductors and Precision Machining: Like ceramic engraving machines, benefiting from the corrosion resistance of hybrid ceramic balls
General Machinery and Auxiliary Equipment
  • Packaging and Food Machinery: Multi-functional packaging machines and biscuit machinery, suitable for high-speed continuous operation
  • Energy and Environmental Protection Equipment: Such as wind turbine units and kitchen exhaust purification devices
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