1. Product Overview 72225C is single row open type angular contact ball bearing with 15° contact angle, standard metric dimension 125mm inner bore × 225mm outer diameter × 42mm width. Model Code Explanation: 72225: Medium light series angular contact ball bearing, matching shaft diameter 125mm C: 15° small contact angle design, prioritize high rotating speed performance Inner ring, outer ring and steel balls adopt high purity GCr15 chrome bearing steel, integral quenching