Manufactured by CHG Bearing, the 7003 CD/P4ADT is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 17 mm bore diameter, a 35 mm outer diameter, and a 20 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.

7003 CD/P4ADT - Super-precision Angular Contact Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 7003 CD/P4ADT |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Super-precision Angular Contact Ball Bearing |
| Number of Rows | 2 |
| Contact Type | Normal Contact (Two-point Contact) |
| Ring Type | Integral Inner and Outer Rings |
| Design | High-capacity D Design |
| Universally Matchable | No |
| Matched Arrangement | Tandem (DT) |
| Number of Bearings in Set | 2 |
| Axial Clearance / Preload | Not Applicable |
| Tolerance Class | P4A |
| Bearing Material | Bearing Steel |
| Sealing | Open |
| Dimensions | |
| Bore Diameter (d) | 17 mm |
| Width (B) | 20 mm |
| Outer Diameter (D) | 35 mm |
| Contact Angle α (°) | 15 ° |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 11.1 kN |
| Basic Static Load Rating C₀ (kN) | 6.55 kN |
| Material | |
| Weight (kg) | 0.075 kg |
7003 CD/P4ADT 35 mm 17 mm 20 mm Frequently Asked Questions about 7003 CD/P4ADT Super-precision Angular Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing 7003 CD/P4ADT correlates its dynamic capacity (standard dynamic) with equivalent dynamic loads. In controlled industrial settings with proper contamination-free filtration, field data confirms continuous operational longevity exceeding 20,000 to 50,000 service hours.
Standard batches of CHG Bearing 7003 CD/P4ADT conform strictly to ISO Class Normal (ABEC-1). For high-precision machine tool spindles, gearboxes, or robotics requiring tighter runouts, CHG Bearing can provide custom batches graded to ISO Class 6 (P6/ABEC-3) or ISO Class 5 (P5/ABEC-5) with 100% micrometer verification.
Engineered according to international ISO boundary plans, CHG Bearing supplies 7003 CD/P4ADT with a precision bore diameter (d) of 17 mm, an outside diameter (D) of 35 mm, and a nominal ring width (B) of 20 mm. This configuration yields an effective cross-sectional wall thickness of 9.0 mm and an envelope ratio (D/d) of 2.06, delivering compact rigidity for OEM machinery housings.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for 7003 CD/P4ADT. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
