Manufactured by CHG Bearing, the 71818 ACD/P4DGB is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 90 mm bore diameter, a 115 mm outer diameter, and a 26 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.
71818 ACD/P4DGB - Super-precision Angular Contact Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 71818 ACD/P4DGB |
| 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 | Light Preload |
| Tolerance Class | P4 |
| Bearing Material | Bearing Steel |
| Sealing | Open |
| Dimensions | |
| Bore Diameter (d) | 90 mm |
| Width (B) | 26 mm |
| Outer Diameter (D) | 115 mm |
| Contact Angle α (°) | 25 ° |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 33.2 kN |
| Basic Static Load Rating C₀ (kN) | 50 kN |
| Material | |
| Weight (kg) | 0.558 kg |
71818 ACD/P4DGB 115 mm 90 mm 26 mm Frequently Asked Questions about 71818 ACD/P4DGB Super-precision Angular Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Standard batches of CHG Bearing 71818 ACD/P4DGB 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.
The Open Type engineered for 71818 ACD/P4DGB by CHG Bearing utilizes precision non-contact metal shields or reinforced NBR/FKM contact lip seals. This barrier prevents particulate ingress, washdown fluids, and abrasive dust from reaching the raceways while eliminating grease leakage under centrifugal forces.
Absolutely. The CHG Bearing 71818 ACD/P4DGB Super-precision Angular Contact Ball Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 71818 ACD/P4DGB, FAG 71818 ACD/P4DGB, NSK 71818 ACD/P4DGB. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Every production batch of CHG Bearing 71818 ACD/P4DGB 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.
