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71903 ACD/HCP4A Super Precision Angular Contact Ball Bearing with 17 mm Bore Diameter P4A Precision Grade and Hybrid Ceramic Balls
71903 ACD/HCP4A Super Precision Angular Contact Ball Bearing with 17 mm Bore Diameter P4A Precision Grade and Hybrid Ceramic Balls
Specifications
Structure :
Angular Contact
Delivery Time :
2-4 weeks
Part Number :
71903 ACD/HCP4A Angular Contact Ball Bearing
Lubrication :
Grease,Oil
Design :
High-capacity D
Coating :
Without
Sealing :
Without
Replaceable With :
SKF, NSK 7903A5SN24TRP4
Contact type :
Normal contact (two-point contact)
Brand Name :
CNBTZC or OEM
Model Number :
71903 ACD/HCP4A
Certification :
IATF16949:2016
Place of Origin :
China
MOQ :
1000
Price :
Please contact us,thanks
Payment Terms :
L/C,T/T
Supply Ability :
500000pcs per month
Packaging Details :
plastic bag,box,carton,pallet
Seals Type :
Open (2RZ available)
Ring type :
One-piece inner and outer rings
Description
71903 ACD/HCP4A Super Precision Single Row Angular Contact Ball Bearing 7903
Product Overview

71903 ACD/HCP4A 17×30×7 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing Hybrid Ceramic Balls High Speed

Super-precision, high-capacity, single row angular contact ball bearing. The 71903 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 71903 ACD/HCP4A
Bearing Type Angular Contact
Measurement Unit Metric
Dimensions Inner Bore Diameter (d): 17 mm
Inner Bore Diameter Tolerance: -0.004mm to 0
Outer Bore Diameter (D): 30 mm
Outer Bore Diameter Tolerance: -0.005mm to 0
Width (B): 7 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: Open
Temperature Range: -30°C to 150°C
Lubrication: Grease or Oil
Tolerance Class: P4A better than P4 (ABEC-7)
Weight: 0.015 kg
Matched Arrangement: No
Universal Matching Bearing: No
Preload: Not applicable
Load and Speed Dynamic Radial Load: 3970 N
Static Radial Load: 2000 N
Reference Speed For Grease: 56,000 rpm
Limiting Speed For Oil: 90,000 rpm
Product Images
71903 ACD/HCP4A Super Precision Angular Contact Ball Bearing with 17 mm Bore Diameter P4A Precision Grade and Hybrid Ceramic Balls 71903 ACD/HCP4A Super Precision Angular Contact Ball Bearing with 17 mm Bore Diameter P4A Precision Grade and Hybrid Ceramic Balls
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

The 71903 ACD/HCP4A bearing, distinguished by its high precision and reliability, is extensively used across a broad range of industries including:

  • Household appliances
  • Fuel injection pumps
  • Industrial and domestic pumps
  • Gear reduction units
  • Vibrating screens
  • Crane systems and tower cranes
  • Audio equipment
  • Heavy-duty compaction machinery

Its ability to ensure stable and efficient operation under diverse conditions makes it essential for enhancing performance and durability in applications ranging from ensuring the clarity of sound transmission to supporting heavy loads in construction and maintaining the efficiency of fuel systems.

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
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71903 ACD/HCP4A Super Precision Angular Contact Ball Bearing with 17 mm Bore Diameter P4A Precision Grade and Hybrid Ceramic Balls

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Product Detail
Structure :
Angular Contact
Delivery Time :
2-4 weeks
Part Number :
71903 ACD/HCP4A Angular Contact Ball Bearing
Lubrication :
Grease,Oil
Design :
High-capacity D
Coating :
Without
Contact Supplier
71903 ACD/HCP4A Super Precision Angular Contact Ball Bearing with 17 mm Bore Diameter P4A Precision Grade and Hybrid Ceramic Balls

Beining Intelligent Technology (Zhejiang) Co., Ltd

Verified Supplier
2 Years
zhejiang
Since 2013
Business Type :
Manufacturer, Distributor/Wholesaler, Exporter, Seller
Main Products :
Precision Ball Bearings, Angular Contact Ball Bearings, LED Flashing Necklaces
Total Annual :
30000000-+
Employee Number :
200~+
Certification Level :
Verified Supplier
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