Manufactured by CHG Bearing, the S7203 CDGA/HCP4A is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 17 mm bore diameter, a 40 mm outer diameter, and a 12 mm overall width. This component is designed to meet standard load requirements and ensure consistent operational performance. For comprehensive technical evaluation, please explore the detailed specifications, dimensional data, product images, and CAD drawings provided below. A complete PDF data sheet is also readily available for direct download to support your engineering and procurement needs.

S7203 CDGA/HCP4A - Super-precision Angular Contact Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | S7203 CDGA/HCP4A |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Super-precision Angular Contact Ball Bearing |
| Seal Type | Non-contact Seal |
| Number of Rows | 1 |
| Contact Type | Normal Contact (Two-point Contact) |
| Ring Type | Integral Inner and Outer Rings |
| Design | High-capacity D Design |
| Universally Matchable | Yes – Back-to-back (DB), Face-to-face (DF), or Tandem (DT) |
| Axial Clearance / Preload | Preload Class A |
| Tolerance Class | P4A |
| Bearing Material | Hybrid (Steel Rings / Ceramic Balls) |
| Sealing | Sealed on Both Sides |
| Lubricant | Grease |
| Dimensions | |
| Bore Diameter (d) | 17 mm |
| Width (B) | 12 mm |
| Outer Diameter (D) | 40 mm |
| Contact Angle α (°) | 15 ° |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 9.23 kN |
| Basic Static Load Rating C₀ (kN) | 4.15 kN |
| Material | |
| Weight (kg) | 0.057 kg |
S7203 CDGA/HCP4A 40 mm 17 mm 12 mm Frequently Asked Questions about S7203 CDGA/HCP4A Super-precision Angular Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for S7203 CDGA/HCP4A, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
To safeguard CHG Bearing S7203 CDGA/HCP4A against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (17 mm x 40 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
Engineered according to international ISO boundary plans, CHG Bearing supplies S7203 CDGA/HCP4A with a precision bore diameter (d) of 17 mm, an outside diameter (D) of 40 mm, and a nominal ring width (B) of 12 mm. This configuration yields an effective cross-sectional wall thickness of 11.5 mm and an envelope ratio (D/d) of 2.35, delivering compact rigidity for OEM machinery housings.
Sourcing S7203 CDGA/HCP4A directly from CHG Bearing eliminates intermediate brokerage markups while granting you factory-direct engineering backup, rigorous ISO-certified quality assurance, competitive volume wholesale pricing, and dependable supply chain stability for Super-precision Angular Contact Ball Bearings.
