A bearing housing assembly comprising: a bearing housing extending along a longitudinal axis, with said bearing housing having an interior surface defining a bearing housing interior configured to receive a shaft; and an anti-rotation assembly comprising: a bearing assembly extending along a longitudinal axis, and configured to be disposed in said bearing housing interior and configured to be disposed about said shaft, said bearing assembly being configured to support rotation of said shaft, and wherein said bearing housing defines a lubricant sump spaced radially from said bearing assembly with respect to said longitudinal axis into which a lubricant of said bearing assembly is drainable; an anti-rotation spacer disposed about said longitudinal axis, and configured to be disposed in said bearing housing interior and configured to be disposed about said shaft; and a retaining ring disposed about said longitudinal axis, configured to be disposed about said shaft and coupled to said anti-rotation spacer to axially retain said anti-rotation spacer in said bearing housing interior; wherein said anti-rotation spacer has an engagement member engageable with said retaining ring and configured to limit rotation of said retaining ring relative to said anti-rotation spacer; wherein said engagement member has an engagement surface, and wherein said retaining ring has a retaining ring protruding portion extending toward and engageable with said engagement surface to limit rotation of said retaining ring relative to said anti-rotation spacer; characterized in that said retaining ring has a first end and a second end circumferentially spaced from said first end, wherein said first and second ends (60, 62) defining a gap therebetween, and wherein said gap defined between said first end and said second end of said retaining ring is alignable with said lubricant sump, and in that a lubricant deflector is disposed in said bearing housing and coupled to said bearing housing, wherein said gap is alignable with said lubricant deflector such that said lubricant deflector is able to deflect the lubricant into said lubricant sump. a bearing housing extending along a longitudinal axis, with said bearing housing having an interior surface defining a bearing housing interior configured to receive a shaft; and an anti-rotation assembly comprising: a bearing assembly extending along a longitudinal axis, and configured to be disposed in said bearing housing interior and configured to be disposed about said shaft, said bearing assembly being configured to support rotation of said shaft, and wherein said bearing housing defines a lubricant sump spaced radially from said bearing assembly with respect to said longitudinal axis into which a lubricant of said bearing assembly is drainable; an anti-rotation spacer disposed about said longitudinal axis, and configured to be disposed in said bearing housing interior and configured to be disposed about said shaft; and a retaining ring disposed about said longitudinal axis, configured to be disposed about said shaft and coupled to said anti-rotation spacer to axially retain said anti-rotation spacer in said bearing housing interior; wherein said anti-rotation spacer has an engagement member engageable with said retaining ring and configured to limit rotation of said retaining ring relative to said anti-rotation spacer; wherein said engagement member has an engagement surface, and wherein said retaining ring has a retaining ring protruding portion extending toward and engageable with said engagement surface to limit rotation of said retaining ring relative to said anti-rotation spacer; characterized in that said retaining ring has a first end and a second end circumferentially spaced from said first end, wherein said first and second ends (60, 62) defining a gap therebetween, and wherein said gap defined between said first end and said second end of said retaining ring is alignable with said lubricant sump, and in that a lubricant deflector is disposed in said bearing housing and coupled to said bearing housing, wherein said gap is alignable with said lubricant deflector such that said lubricant deflector is able to deflect the lubricant into said lubricant sump.