Manufactured by CHG Bearing, the HRU178X is a precision HRU Series Crossed Roller Bearings. Key dimensional parameters include a 115 mm bore diameter, a 240 mm outer diameter, and a 28 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.
HRU178X - HRU Series Crossed Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | HRU178X |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Crossed Roller Bearing |
| Series | HRU |
| Design Type | Integrated Inner and Outer Rings |
| Seal Type | Open, Single-sided or Double-sided Sealed |
| Dimensions | |
| Roller Pitch Circle Diameter dp | 178 mm |
| Bore Diameter (d) | 115 mm |
| Width (B) | 28 mm |
| Outer Diameter (D) | 240 mm |
| Minimum Chamfer Dimension rmin | 1.5 mm |
| Inner Ring Shoulder Diameter ds | 161 mm |
| Outer Ring Shoulder Diameter Dh | 195 mm |
| Performance | |
| Basic Dynamic Radial Load Rating Cr (kN) | 80.3 kN |
| Basic Static Radial Load Rating C0r (kN) | 135 kN |
| Reference Data | |
| Reference Mass (kg) | 6.8 kg |
HRU178X 240 mm 115 mm 28 mm Frequently Asked Questions about HRU178X HRU Series Crossed Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Beyond standard alloy steel, CHG Bearing can customize the HRU178X HRU Series Crossed Roller Bearings 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.
Yes, 100% of HRU178X HRU Series Crossed Roller Bearings leaving CHG Bearing production lines are subjected to multi-frequency Anderometer sound testing. All units satisfy baseline Z1V1 levels, with dedicated quiet-running electric motor quality (EMQ) lots certified to Z2V2 and Z3V3 standards for silent machinery integration.
For international ocean and air freight, CHG Bearing packs HRU178X 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.
In its sealed configuration (Open, Single-sided or Double-sided Sealed), CHG Bearing pre-charges HRU178X 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.
