Manufactured by CHG Bearing, the 61800 is a precision Deep Groove Ball Bearings（618 / 619 SERIES）. Key dimensional parameters include a 10 mm bore diameter, a 19 mm outer diameter, and a 5 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 Number | 61800 61800 |
| Brand | CHG® CHG® |
| Characteristics | |
| Bearing Type | Deep Groove Ball Bearing Deep Groove Ball Bearing |
| Seal Type | Open / Contact Seal Options Open / Contact Seal Options |
| Load Direction | Radial Radial |
| Row Configuration | Single Row Single Row |
| Dimensions | |
| Bore Diameter (d) | 10 mm |
| Width (B) | 5 mm |
| Outer Diameter (D) | 19 mm |
| Bore Diameter Tolerance | -0.008-0 mm |
| Outside Diameter Tolerance | -0.009-0 mm |
| Width Tolerance | -0.12-0 mm |
| Performance | |
| Basic Dynamic Radial Load Rating Cr | 1.72 kN 0.39 klbf |
| Basic Static Radial Load Rating C0r | 0.84 kN 0.19 klbf |
| Limiting Speed – Grease | 34000 r/min 34000 r/min |
| Limiting Speed – Oil | 4000 (r/min) 4000 (r/min) |
| Material | |
| Mass | 0.005 kg 0.011 lb |
| Ring Material | Stainless Steel / Bearing Steel Stainless Steel / Bearing Steel |
| Cage Material | Brass / PEEK / Polyimide / Phenolic Resin Fabric Laminate Brass / PEEK / Polyimide / Phenolic Resin Fabric Laminate |
| Ball Material | Stainless Steel / Bearing Steel / Ceramic Stainless Steel / Bearing Steel / Ceramic |
| Operating Temperature Range | -50 to +100 °C -50 to +100 °C |
| Precision Class | P0 P0 |
| Radial Internal Clearance | 0.002-0.013 mm |
61800 19 mm 10 mm 5 mm Frequently Asked Questions about 61800 Deep Groove Ball Bearings（618 / 619 SERIES）
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing 61800 correlates its dynamic capacity (standard dynamic) with equivalent dynamic loads. In controlled industrial settings with proper contamination-free filtration, field data confirms continuous operational longevity exceeding 20,000 to 50,000 service hours.
Absolutely. The CHG Bearing 61800 Deep Groove Ball Bearings（618 / 619 SERIES） is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 61800, FAG 61800, NSK 61800. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Quality starts with raw material selection: CHG Bearing crafts 61800 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.
To ensure optimum performance of CHG Bearing 61800 Deep Groove Ball Bearings（618 / 619 SERIES） under general rotational loads, our application engineers advise an inner-ring shaft tolerance of m5 or k5 for the 10 mm bore. For the 19 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
