High Precision 7203 Angular Contact Ball Bearing Manufacturer
7203 Sealed Angular Contact Bearing– Optimized for performance with durable steel construction, precision balls, and optional rubber seals (RS/2RS) to extend lubrication life in demanding industrial and automotive applications.
Model : 7203
Type : Angular Contact Ball Bearing
Material : Chrome Steel
Accuracy Level : P0,P5,P6
Seal : Open
Application : Used in various processing equipment such as CNC machine tools, lathes, milling machines, grinders, etc
7203 Angular Contact Ball Bearing is a precision-engineered component designed to handle combined radial and axial loads in a single direction. Its 15° contact angle optimizes load distribution, making it ideal for high-speed applications such as gearboxes, pumps, and electric motors. The sealed design (RS or 2RS variants) shields against contaminants while retaining lubrication, enhancing durability in harsh environments. Constructed from high-grade steel with smooth, low-noise operation, this bearing ensures reliable performance in industrial and automotive systems. Its compact 7203 size offers a perfect balance of strength and space efficiency for demanding mechanical assemblies.
Features of 7203 Angular Contact Ball Bearing
7203 Angular Contact Ball Bearing combines high-performance design with durability, featuring a 15° contact angle for efficient handling of combined radial and axial loads in one direction. Its sealed (RS/2RS) construction protects against dust and moisture while retaining grease, ensuring long service life in harsh conditions. Precision-ground chrome steel races and balls provide smooth, low-friction operation, suitable for high-speed applications like spindles, pumps, and automotive systems. The compact 17×40×12mm size** offers space-saving versatility, while robust cages (steel or polyamide) maintain ball alignment under stress. With ABEC-1 or higher precision grades, it delivers reliable performance with minimal noise and vibration.
Our advantages
As your trusted bearing solutions provider, we offer unmatched expertise in heavy-equipment components, specializing in genuine Caterpillar-compatible bearings that meet OEM performance standards. Our direct manufacturer relationships ensure you receive authentic 7203 bearings with premium materials and precision engineering, while our vertically integrated production allows for competitive pricing without compromising quality.
Exceptional Load Performance: Precision-engineered rollers and optimized internal geometry deliver superior radial and axial load capacity for demanding undercarriage applications.
Heavy-Duty Construction: Forged from premium alloy steel with reinforced cage design to withstand extreme shock loads and abrasive operating conditions.
Precision Stability: Tight-tolerance manufacturing and ground raceways ensure smooth operation and minimal vibration under continuous heavy loads.
Advanced Contamination Protection: Multiple sealing configurations available to effectively exclude dirt, moisture and debris in harsh mining/construction environments.
Compact Heavy-Duty Design: Space-efficient construction maximizes performance in confined undercarriage spaces without sacrificing durability.
Application-Specific Customization: Available with specialized surface treatments, heat stabilization processes, and lubrication options for unique operating requirements.
Pipeline Layers – Handles combined loads in heavy pipe-laying machine track frames.
Forestry Equipment – Resists impact loads in harvester and forwarder crawler systems.
Military Vehicles – Special hardened versions for armored vehicle track systems.
Offshore Crawlers – Corrosion-resistant models for beach landing equipment and dredgers.
External groove grinding
Bearing production
Bearing packaging workshop
Internal groove grinding
Automated production
Bearing inspection
Shenzhen Wanyuan Bearing Co., Ltd. is a professional bearing manufacturer integrating R&D and innovation. The company mainly produces metric bearings with inner diameters of 1-50MM, imperial bearings, spherical roller bearings, double-row cylindrical bearings, cylindrical roller bearings, four-point angular contact bearings, flange bearings, ceramic bearings and customized non-standard bearings.
Our Cooperative Customers
Frequently asked questions
Q1. Are you a buyer or manufacturer?
A: We are a bearing manufacturer with export permission.
Q2. What's your business range?
A: Our business ranges mainly includes miniature ball bearing, flange bearing, thrust roller bearing, needle roller bearing, rod end bearing, and non-standard bearing.
Q3. What do you have a certificate of factory?
A: We have passed the certificate of IS09001. Our products have passed REACH and RoHS etc.
Q4. Can you provide OEM service with us?
A: Yes, we always provide OEM service to our clients.
Q5. How do you deal with non-standard bearing order?
A: First of all, our MOQ is 50000 pcs on the non-standard bearing order. We must provide the relative drawing.
Q6. How do you charge on the samples?
A: Our samples are free for you if we have them stocked. But the sample express cost will be charged at your end.
Q7. Do you accept small orders?
A: Yes, we accept all kinds of small orders.
Q8. How long is your lead time?
A: It will take 1 week if the order size is less than 10,000 pcs. It will take 4 weeks if the order size is more than 100,000 pcs.
Q9. What's your packaging mode of bearing?
A: We have packaging modes of plastic tube and individual box for your choice.
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