| 摘要 |
There is provided a bearing arrangement comprising: a bearing having an inner race an outer race and a plurality of rolling elements arranged between said inner and outer race such that said first race is rotatable relative said second race; a bearing lubricant arranged within said bearing to lubricate said rolling elements; an optical emitter configured to emit light comprising wavelengths within a wavelength range, and an optical receiver arranged so that light emitted by said emitter passes through a portion of said grease before reaching said receiver; wherein said optical receiver is configured to determine an intensity of received light at a plurality of wavelengths within said wavelength range. There is also provided a method for determining a condition of a lubricant in a bearing. |
