Manufactured by CHG Bearing, the 44.7*65.41 is a precision Tapered Rollers. Key dimensional parameters include a mm bore diameter, a mm outer diameter, and a 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.
44.7*65.41 - Tapered Rollers
Technical Specifications
| Overview | |
|---|---|
| Part Number | 44.7*65.41 |
| Brand | CHG® |
| Product Type | Tapered Roller |
| Taper Angle | 1°55′0″ |
| Dimensions | |
| Roller Length, Lw | 65.41 mm |
| Center Recess Diameter | 25 mm |
| Through-hole Diameter | - mm |
| Center Recess Depth | 0.8 mm |
| Large-end Diameter, Dw | 44.7 mm |
| Spherical End Radius, SR | 610 mm |
| Through-hole Chamfer | - mm |
| Large-end Diameter Tolerance | -0.02 to +0.02 mm |
| Through-hole Coaxiality | - mm |
| Rolling Surface Roughness, Ra (µm) | 0.1 |
| Axial Chamfer — Large End | 1.2 mm |
| Axial Chamfer Tolerance — Large End | -0.4 to +0.4 mm |
| Radial Chamfer — Large End | 1.2 mm |
| Radial Chamfer Tolerance — Large End | -0.4 to +0.4 mm |
| Axial Chamfer — Small End | 1.2 mm |
| Axial Chamfer Tolerance — Small End | -0.4 to +0.4 mm |
| Radial Chamfer — Small End | 1.2 mm |
| Radial Chamfer Tolerance — Small End | -0.4 to +0.4 mm |
| Performance | |
| Spherical End Surface Roughness, Ra (µm) | 0.16 µm |
| Dimensional & Geometrical Accuracy | |
| Roller Length Tolerance | -0.1 to 0 mm |
| End-face Runout | - mm |
| Diameter Variation Between Ends | ±0.002 mm |
| Roundness | 0.002 mm |
| Ovality | 0.002 mm |
44.7*65.41 44.7 mm 65.41 mm 610 mm Frequently Asked Questions about 44.7*65.41 Tapered Rollers
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
For international ocean and air freight, CHG Bearing packs 44.7*65.41 with industrial VCI anti-corrosion barrier wrapping, sealed polybags, individual cartons, and fumigated ocean-worthy wooden crates. This multi-layer barrier guarantees rust-free storage for a minimum shelf life of 24 to 36 months.
Beyond standard alloy steel, CHG Bearing can customize the 44.7*65.41 Tapered Rollers 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.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for 44.7*65.41. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
In its sealed configuration (Open Type), CHG Bearing pre-charges 44.7*65.41 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.
