Manufactured by CHG Bearing, the 71820 is a precision Angular Contact Ball Bearings（718 / 719 SERIES）. Key dimensional parameters include a 100 mm bore diameter, a 125 mm outer diameter, and a 13 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 - Angular Contact Ball Bearings（718 / 719 SERIES）
Technical Specifications
| Overview | |
|---|---|
| Part Number | 71820 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Angular Contact Ball Bearing |
| Series | 718 |
| Seal Type | Open / Contact Seal Options |
| Load Direction | Radial |
| Row Configuration | Single Row |
| Dimensions | |
| Bore Diameter (d) | 100 mm |
| Width (B) | 13 mm |
| Outer Diameter (D) | 125 mm |
| Bore Diameter Tolerance | -0.02-0 mm |
| Outside Diameter Tolerance | -0.018-0 mm |
| Width Tolerance | -0.2-0 mm |
| Performance | |
| Basic Dynamic Radial Load Rating Cr (kN) | 1.2 kN |
| Basic Static Radial Load Rating C0r (kN) | 27.5 kN |
| Limiting Speed – Grease (r/min) | 8500 r/min |
| Limiting Speed – Oil (r/min) | 13000 (r/min) |
| Material | |
| Mass (kg) | 0.2 kg |
| Ring Material | Stainless Steel / Bearing Steel |
| Cage Material | Brass / PEEK / Polyimide / Phenolic Resin Fabric Laminate |
| Ball Material | Stainless Steel / Bearing Steel / Ceramic |
| Operating Temperature Range (°C) | -50 to +100 °C |
| Precision Class | P0 |
| Radial Internal Clearance | 0.012-0.036 mm |
71820 125 mm 100 mm 13 mm Frequently Asked Questions about 71820 Angular Contact Ball Bearings（718 / 719 SERIES）
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Sourcing 71820 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 Angular Contact Ball Bearings（718 / 719 SERIES）.
Beyond standard alloy steel, CHG Bearing can customize the 71820 Angular Contact Ball Bearings（718 / 719 SERIES） using AISI 440C stainless steel, black oxide coating, zinc-nickel plating, or hybrid ceramic (Si3N4) balls for applications involving chemical exposure, marine salt fog, or galvanic current hazards.
Absolutely. The CHG Bearing 71820 Angular Contact Ball Bearings（718 / 719 SERIES） is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 71820, FAG 71820, NSK 71820. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 71820, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
