Manufactured by CHG Bearing, the 618-630MAYA3 is a precision Deep Groove Ball Bearings. Key dimensional parameters include a 630 mm bore diameter, a 780 mm outer diameter, and a 69 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.
618-630MAYA3 - Deep Groove Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 618-630MAYA3 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Deep Groove Ball Bearing |
| Seal Type | Open |
| Number of Rows | Single Row |
| Tolerance Class | P5 |
| Load Direction | Radial |
| Dimensions | |
| Bore Diameter (d) | 630 mm |
| Width (B) | 69 mm |
| Outer Diameter (D) | 780 mm |
| Bore Diameter Tolerance | -0.03 – 0 mm |
| Outside Diameter Tolerance | -0.035 – 0 mm |
| Width Tolerance | -0.5 – 0 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 399 kN |
| Basic Static Load Rating C0 (kN) | 784 kN |
| Material | |
| Mass (kg) | 72 kg |
| Ring Material | Bearing Steel |
| Cage Material | Brass |
| Ball Material | Bearing Steel |
618-630MAYA3 780 mm 630 mm 69 mm Frequently Asked Questions about 618-630MAYA3 Deep Groove Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
In its sealed configuration (Open), CHG Bearing pre-charges 618-630MAYA3 with premium wide-temperature lithium-complex or polyurea grease, calibrated to a 30%–35% cavity volume ratio. For open-type variants, synthetic PAO or refined mineral lubricating oils with appropriate EP (Extreme Pressure) additives should be circulated.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for 618-630MAYA3. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
Every production batch of CHG Bearing 618-630MAYA3 Deep Groove 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.
Model 618-630MAYA3 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 630 mm) and steep thermal gradients between inner and outer rings.
