Manufactured by CHG Bearing, the 7003 ACD/P4A 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 10 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 ACD/P4A - Super-precision Angular Contact Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 7003 ACD/P4A |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Super-precision Angular Contact Ball Bearing |
| 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 | No |
| Axial Clearance / Preload | Not Applicable |
| Tolerance Class | P4A |
| Bearing Material | Bearing Steel |
| Sealing | Open |
| Dimensions | |
| Bore Diameter (d) | 17 mm |
| Width (B) | 10 mm |
| Outer Diameter (D) | 35 mm |
| Contact Angle α (°) | 25 ° |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 6.5 kN |
| Basic Static Load Rating C₀ (kN) | 3.1 kN |
| Limiting Speed – Grease (r/min) | 45000 r/min |
| Limiting Speed – Oil-air (r/min) | 70000 r/min |
| Material | |
| Weight (kg) | 0.037 kg |
7003 ACD/P4A 35 mm 17 mm 10 mm Frequently Asked Questions about 7003 ACD/P4A Super-precision Angular Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Quality starts with raw material selection: CHG Bearing crafts 7003 ACD/P4A inner and outer rings from high-purity High-Quality Chrome Steel (GCr15/100Cr6). Our raw billets undergo vacuum degassing and secondary ESR (electroslag remelting) processes to drastically eliminate non-metallic sulfide and oxide inclusions, elevating subsurface contact fatigue resistance.
Engineered according to international ISO boundary plans, CHG Bearing supplies 7003 ACD/P4A with a precision bore diameter (d) of 17 mm, an outside diameter (D) of 35 mm, and a nominal ring width (B) of 10 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.
To safeguard CHG Bearing 7003 ACD/P4A against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (17 mm x 35 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
Absolutely. The CHG Bearing 7003 ACD/P4A Super-precision Angular Contact Ball Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 7003 ACD/P4A, FAG 7003 ACD/P4A, NSK 7003 ACD/P4A. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
