An angular contact bearing, comprising: an inner ring including an outer diameter surface and a raceway defined in said outer diameter surface; an outer ring including an inner diameter surface and a raceway defined in said inner diameter surface; a plurality of balls in rolling contact with said raceways (116, 122); a retainer piloted by the outer ring including a first side and a second side opposing said first side, said retainer having a width being the distance between said first side and said second side, an outer surface extending between said first side and said second side and an inner surface opposing said outer surface extending between said first side and said second side, wherein said outer surface and said inner surface define a central portion having a first thickness T 1, and tapered portions (140a, 140b) each having a second thickness T 2, wherein each tapered portion (140a, 140b): (i) extends from one of said sides (130, 132) to said central portion from 5.5 % up to 28 %, of the length of said retainer width; (ii) tapers towards said inner surface of said retainer at an angle of 10° to 20° relative to said central portion; (iii) tapers away from the inner diameter surface of said outer ring, and said second thickness T 2 is less than said first thickness T 1 wherein T 2 < T 1; and a plurality of through holes defined in said retainer, wherein one of said balls is positioned in each of said through holes in a rotatable manner. an inner ring including an outer diameter surface and a raceway defined in said outer diameter surface; an outer ring including an inner diameter surface and a raceway defined in said inner diameter surface; a plurality of balls in rolling contact with said raceways (116, 122); a retainer piloted by the outer ring including a first side and a second side opposing said first side, said retainer having a width being the distance between said first side and said second side, an outer surface extending between said first side and said second side and an inner surface opposing said outer surface extending between said first side and said second side, wherein said outer surface and said inner surface define a central portion having a first thickness T 1, and tapered portions (140a, 140b) each having a second thickness T 2, wherein each tapered portion (140a, 140b): (i) extends from one of said sides (130, 132) to said central portion from 5.5 % up to 28 %, of the length of said retainer width; (ii) tapers towards said inner surface of said retainer at an angle of 10° to 20° relative to said central portion; (iii) tapers away from the inner diameter surface of said outer ring, and said second thickness T 2 is less than said first thickness T 1 wherein T 2 < T 1; and a first side and a second side opposing said first side, said retainer having a width being the distance between said first side and said second side, an outer surface extending between said first side and said second side and an inner surface opposing said outer surface extending between said first side and said second side, wherein said outer surface and said inner surface define a central portion having a first thickness T 1, and tapered portions (140a, 140b) each having a second thickness T 2, wherein each tapered portion (140a, 140b): (i) extends from one of said sides (130, 132) to said central portion from 5.5 % up to 28 %, of the length of said retainer width; (ii) tapers towards said inner surface of said retainer at an angle of 10° to 20° relative to said central portion; (iii) tapers away from the inner diameter surface of said outer ring, and (i) extends from one of said sides (130, 132) to said central portion from 5.5 % up to 28 %, of the length of said retainer width; (ii) tapers towards said inner surface of said retainer at an angle of 10° to 20° relative to said central portion; (iii) tapers away from the inner diameter surface of said outer ring, and said second thickness T 2 is less than said first thickness T 1 wherein T 2 < T 1; and a plurality of through holes defined in said retainer, wherein one of said balls is positioned in each of said through holes in a rotatable manner.