Manufactured by CHG Bearing, the 17.5*30.05 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.
17.5*30.05 - Tapered Rollers
Technical Specifications
| Overview | |
|---|---|
| Part Number | 17.5*30.05 |
| Brand | CHG® |
| Product Type | Tapered Roller |
| Taper Angle | 0°33′0″ |
| Dimensions | |
| Roller Length, Lw | 30.05 mm |
| Center Recess Diameter | 9 mm |
| Through-hole Diameter | - mm |
| Center Recess Depth | 0.7 mm |
| Large-end Diameter, Dw | 17.5 mm |
| Spherical End Radius, SR | 775 mm |
| Through-hole Chamfer | - mm |
| Large-end Diameter Tolerance | -0.015 to +0.015 mm |
| Through-hole Coaxiality | - mm |
| Rolling Surface Roughness, Ra (µm) | 0.125 |
| Axial Chamfer — Large End | 0.7 mm |
| Axial Chamfer Tolerance — Large End | 0 to +0.5 mm |
| Radial Chamfer — Large End | 0.7 mm |
| Radial Chamfer Tolerance — Large End | 0 to +0.5 mm |
| Axial Chamfer — Small End | 0.7 mm |
| Axial Chamfer Tolerance — Small End | 0 to +0.5 mm |
| Radial Chamfer — Small End | 0.7 mm |
| Radial Chamfer Tolerance — Small End | 0 to +0.5 mm |
| Performance | |
| Spherical End Surface Roughness, Ra (µm) | 0.16 µm |
| Dimensional & Geometrical Accuracy | |
| Roller Length Tolerance | -0.2 to 0 mm |
| End-face Runout | - mm |
| Diameter Variation Between Ends | ±0.0025 mm |
| Roundness | 0.0012 mm |
| Ovality | 0.0012 mm |
17.5*30.05 17.5 mm 30.05 mm 775 mm Frequently Asked Questions about 17.5*30.05 Tapered Rollers
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for 17.5*30.05. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
When fitting 17.5*30.05 over a mm shaft, CHG Bearing strictly recommends uniform induction heating (controlled between 90°C and 110°C) or precision hydraulic press sleeves. Under no circumstances should direct impact blows be struck against the rings or cage, as shock loads cause brinelling indents and premature spalling.
Beyond standard alloy steel, CHG Bearing can customize the 17.5*30.05 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.
To extend the trouble-free lifespan of CHG Bearing 17.5*30.05, preventive maintenance routines should monitor operating housing temperature (normally maintaining below 70°C) and conduct regular vibration FFT analysis to identify early raceway micro-pitting before unexpected line halts occur.
