A blower comprising: a blower element (12, 14); and a shaft (24, 26, 28, 30) coupled to the blower element (12, 14); characterized in that the blower further comprises: an adapter sleeve receivable on the shaft and having threads and a tapered surface; an oil slinger assembly having an oil slinger, the oil slinger comprising an elongate projection that extends outwardly, wherein the oil slinger assembly includes a hub having a tapered surface configured to engage the adapter sleeve tapered surface, wherein the hub comprises a first section and a second section, wherein the first section has a first outer surface and a second outer surface, wherein the second section has a mounting surface and an outer surface, wherein the second outer surface of the first section is disposed between the first outer surface of the first section and the mounting surface of the second section, wherein the mounting surface of the second section is disposed between the second outer surface of the first section and the outer surface of the second section, wherein a radial dimension of the second outer surface of the first section is greater than a radial dimension of the first outer surface of the first section and less than a radial dimension of the outer surface of the second section, wherein the oil slinger is attached to the mounting surface; a lock nut having threads configured to engage the adapter sleeve threads; and a retaining element configured to prevent rotation of the lock nut. a blower element (12, 14); and a shaft (24, 26, 28, 30) coupled to the blower element (12, 14); characterized in that the blower further comprises: an adapter sleeve receivable on the shaft and having threads and a tapered surface; an oil slinger assembly having an oil slinger, the oil slinger comprising an elongate projection that extends outwardly, wherein the oil slinger assembly includes a hub having a tapered surface configured to engage the adapter sleeve tapered surface, wherein the hub comprises a first section and a second section, wherein the first section has a first outer surface and a second outer surface, wherein the second section has a mounting surface and an outer surface, wherein the second outer surface of the first section is disposed between the first outer surface of the first section and the mounting surface of the second section, wherein the mounting surface of the second section is disposed between the second outer surface of the first section and the outer surface of the second section, wherein a radial dimension of the second outer surface of the first section is greater than a radial dimension of the first outer surface of the first section and less than a radial dimension of the outer surface of the second section, wherein the oil slinger is attached to the mounting surface; a lock nut having threads configured to engage the adapter sleeve threads; and a retaining element configured to prevent rotation of the lock nut. an adapter sleeve receivable on the shaft and having threads and a tapered surface; an oil slinger assembly having an oil slinger, the oil slinger comprising an elongate projection that extends outwardly, wherein the oil slinger assembly includes a hub having a tapered surface configured to engage the adapter sleeve tapered surface, wherein the hub comprises a first section and a second section, wherein the first section has a first outer surface and a second outer surface, wherein the second section has a mounting surface and an outer surface, wherein the second outer surface of the first section is disposed between the first outer surface of the first section and the mounting surface of the second section, wherein the mounting surface of the second section is disposed between the second outer surface of the first section and the outer surface of the second section, wherein a radial dimension of the second outer surface of the first section is greater than a radial dimension of the first outer surface of the first section and less than a radial dimension of the outer surface of the second section, wherein the oil slinger is attached to the mounting surface; a lock nut having threads configured to engage the adapter sleeve threads; and a retaining element configured to prevent rotation of the lock nut.