Super-precision Angular Contact Ball Bearings

7038 ACD/P4ADBA - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the 7038 ACD/P4ADBA is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 190 mm bore diameter, a 290 mm outer diameter, and a 92 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.

Technical Specifications

Overview
Part Number7038 ACD/P4ADBA
BrandCHG®
Characteristics
Bearing TypeSuper-precision Angular Contact Ball Bearing
Number of Rows2
Contact TypeNormal Contact (Two-point Contact)
Ring TypeIntegral Inner and Outer Rings
DesignHigh-capacity D Design
Universally MatchableNo
Matched ArrangementBack-to-back (DB)
Number of Bearings in Set2
Axial Clearance / PreloadExtra-light Preload
Tolerance ClassP4A
Bearing MaterialBearing Steel
SealingOpen
Dimensions
Bore Diameter (d)190 mm
Width (B)92 mm
Outer Diameter (D)290 mm
Contact Angle α (°)25 °
Performance
Basic Dynamic Load Rating C (kN)377 kN
Basic Static Load Rating C₀ (kN)585 kN
Material
Weight (kg)18.7 kg
CAD Drawing and Dimensions for 7038 ACD/P4ADBA Super-precision Angular Contact Ball Bearings 7038 ACD/P4ADBA 290 mm 190 mm 92 mm

Frequently Asked Questions about 7038 ACD/P4ADBA 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 7038 ACD/P4ADBA 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.
Every production batch of CHG Bearing 7038 ACD/P4ADBA Super-precision Angular Contact Ball Bearings comes with complete traceability. Upon shipment, CHG Bearing can provide EN 10204 3.1 Material Test Reports (MTR), Certificates of Conformity (CoC), spectral chemical composition analysis, and dimensional inspection sheets.
Sourcing 7038 ACD/P4ADBA 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.
In its sealed configuration (Open Type), CHG Bearing pre-charges 7038 ACD/P4ADBA with premium wide-temperature lithium-complex or polyurea grease, calibrated to a 30%–35% cavity volume ratio. For open-type variants, synthetic PAO or refined mineral lubricating oils with appropriate EP (Extreme Pressure) additives should be circulated.
7038 ACD/P4ADBA - Super-precision Angular Contact Ball Bearings CAD Drawing 7038 ACD/P4ADBA 290 mm 190 mm 92 mm