Manufactured by CHG Bearing, the 61960 is a precision Deep Groove Ball Bearings（618 / 619 SERIES）. Key dimensional parameters include a 300 mm bore diameter, a 420 mm outer diameter, and a 56 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.
61960 - Deep Groove Ball Bearings（618 / 619 SERIES）
Technical Specifications
| Overview | |
|---|---|
| Part Number | 61960 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Deep Groove Ball Bearing |
| Seal Type | Open / Contact Seal Options |
| Load Direction | Radial |
| Row Configuration | Single Row |
| Dimensions | |
| Bore Diameter (d) | 300 mm |
| Width (B) | 56 mm |
| Outer Diameter (D) | 420 mm |
| Bore Diameter Tolerance | -0.035-0 mm |
| Outside Diameter Tolerance | -0.045-0 mm |
| Width Tolerance | -0.35-0 mm |
| Performance | |
| Basic Dynamic Radial Load Rating Cr (kN) | 270 kN |
| Basic Static Radial Load Rating C0r (kN) | 270 kN |
| Limiting Speed – Grease (r/min) | 1300 r/min |
| Limiting Speed – Oil (r/min) | 1600 (r/min) |
| Material | |
| Mass (kg) | 24.5 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 | 0.04-0.115 mm |
61960 420 mm 300 mm 56 mm Frequently Asked Questions about 61960 Deep Groove Ball Bearings（618 / 619 SERIES）
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Every production batch of CHG Bearing 61960 Deep Groove Ball Bearings（618 / 619 SERIES） 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.
Beyond standard alloy steel, CHG Bearing can customize the 61960 Deep Groove Ball Bearings（618 / 619 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.
Model 61960 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 300 mm) and steep thermal gradients between inner and outer rings.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for 61960. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
