Manufactured by CHG Bearing, the 71820 ACD/P4DBA is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 100 mm bore diameter, a 125 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.
71820 ACD/P4DBA - Super-precision Angular Contact Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 71820 ACD/P4DBA |
| 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 | Back-to-back (DB) |
| 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) | 100 mm |
| Width (B) | 26 mm |
| Outer Diameter (D) | 125 mm |
| Contact Angle α (°) | 25 ° |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 34.5 kN |
| Basic Static Load Rating C₀ (kN) | 55 kN |
| Material | |
| Weight (kg) | 0.62 kg |
71820 ACD/P4DBA 125 mm 100 mm 26 mm Frequently Asked Questions about 71820 ACD/P4DBA Super-precision Angular Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Sourcing 71820 ACD/P4DBA 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.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 71820 ACD/P4DBA, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
The CHG Bearing 71820 ACD/P4DBA is rated for limiting speeds up to standard rated RPM under forced oil-mist or circulating oil lubrication regimes. When lubricated with factory-filled synthetic high-speed grease, safe continuous velocity is maintained at approximately 75% to 85% of the maximum nominal limit, preventing thermal runaway.
To extend the trouble-free lifespan of CHG Bearing 71820 ACD/P4DBA, preventive maintenance routines should monitor operating housing temperature (normally maintaining below 70°C) and conduct regular vibration FFT analysis to identify early raceway micro-pitting before unexpected line halts occur.
