Ecer asks for your consent to use your personal data to:
Personalised advertising and content, advertising and content measurement, audience research and services development
Store and/or access information on a device
Your personal data will be processed and information from your device (cookies, unique identifiers, and other device data) may be stored by, accessed by and shared with 135 TCF vendor(s) and 65 ad partner(s), or used specifically by this site or app.
Some vendors may process your personal data on the basis of legitimate interest, which you can object to by do not consent. Contact our platform customer service, you can also withdraw your consent.
The 7203AC Angular Contact Ball Bearing delivers high-precision performance for demanding high-speed applications. This single-row, non-separable bearing features optimized raceway geometry to reduce friction and heat generation during continuous operation.
Basic Parameters
Parameter
Value
Bore diameter (d)
17mm
Outer diameter (D)
40mm
Width (B)
12mm
Contact angle
25° (suffix "AC" denotes standard angle)
Weight
Approximately 0.068kg
Structure
Single-row, non-separable design with inner/outer rings and ball assembly (J steel stamping cage)
Core Performance Specifications
Load Capacity
Dynamic load rating (Cr): 11.97kN (typical value, varies by manufacturer)
Temperature range: Standard: -20°C to 120°C; High-temperature variants: Up to 300°C
Sealing options: Open design (standard); Optional 2RS (rubber seals) or ZZ (metal shields)
Typical Applications
Industrial Machinery: Machine tool spindles, gearboxes and reducers, pumps and compressors
Automotive & Transportation: Turbochargers, electric motor shafts in EV drivetrains
Precision Equipment: Robotics, medical devices including dental handpieces and diagnostic equipment
Maintenance & Lubrication Guidelines
Lubrication: Lithium-based grease (NLGI 2) with 10%-15% cavity filling; synthetic grease recommended for high-temperature applications
Inspection intervals: Monitor temperature and noise every 8-12 hours; replace lubricant every 2,000~5,000 hours
Certifications & Compatibility
Meets ISO 9001:2015 and industry standards (ISO 281 for load ratings)
Interchangeable with equivalent models from major manufacturers (NSK 7203AC, Timken 7203AC)
Customization Options
Material upgrades: Ceramic variants (Si3N4 balls) for non-magnetic applications; Stainless steel (SUS440C) for corrosion resistance
Special configurations: Laser-etched part numbers, phosphating or black oxide coatings
Summary
The 7203AC angular contact ball bearing combines high load capacity, precision, and adaptability, making it ideal for critical industrial and automotive applications. Its non-separable design and standardized interfaces simplify installation, while material and sealing options extend its usability across diverse environments.
Introduction:1.Covering an area of 80 mu (about 53,333 square meters), our factory has a 60-person team including 4 professional engineers, ensuring stable production and technical support.
2. Focusing on bearing production for 25 years, quality is our only guarantee3. Wafangdian Bearing Factory was... Introduction:1.Covering an area of 80 mu (about 53,333 square meters), our factory has a 60-person team including 4 professional engineers, ensuring stable production and technical support.
2. Focusing on bearing production for 25 years, quality is our only guarantee3. Wafangdian Bearing Factory was...
