Manufactured by CHG Bearing, the 71805 ACD/P4DGA is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 25 mm bore diameter, a 37 mm outer diameter, and a 14 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.

71805 ACD/P4DGA - Super-precision Angular Contact Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 71805 ACD/P4DGA |
| 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 | Yes – Back-to-back (DB), Face-to-face (DF), or Tandem (DT) |
| Matched Arrangement | Universal Matching |
| Number of Bearings in Set | 2 |
| Axial Clearance / Preload | Extra-light Preload |
| Tolerance Class | P4 |
| Bearing Material | Bearing Steel |
| Sealing | Open |
| Dimensions | |
| Bore Diameter (d) | 25 mm |
| Width (B) | 14 mm |
| Outer Diameter (D) | 37 mm |
| Contact Angle α (°) | 25 ° |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 6.37 kN |
| Basic Static Load Rating C₀ (kN) | 6.1 kN |
| Material | |
| Weight (kg) | 0.042 kg |
71805 ACD/P4DGA 37 mm 25 mm 14 mm Frequently Asked Questions about 71805 ACD/P4DGA Super-precision Angular Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Absolutely. The CHG Bearing 71805 ACD/P4DGA Super-precision Angular Contact Ball Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 71805 ACD/P4DGA, FAG 71805 ACD/P4DGA, NSK 71805 ACD/P4DGA. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Model 71805 ACD/P4DGA is manufactured by CHG Bearing in standard Normal clearance (CN) for ambient temperature transmission, and C3 or C4 clearance for heavy duty applications. C3 clearance compensates for radial shrinkage caused by tight shaft press-fits (bore 25 mm) and steep thermal gradients between inner and outer rings.
Every production batch of CHG Bearing 71805 ACD/P4DGA 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.
Engineered according to international ISO boundary plans, CHG Bearing supplies 71805 ACD/P4DGA with a precision bore diameter (d) of 25 mm, an outside diameter (D) of 37 mm, and a nominal ring width (B) of 14 mm. This configuration yields an effective cross-sectional wall thickness of 6.0 mm and an envelope ratio (D/d) of 1.48, delivering compact rigidity for OEM machinery housings.
