Single-Row Four Point Contact Slewing Ball Bearing With Internal Gear 9I-1b25-0763-0186 Single Row Four Point Ball Slewing Bearing Four Point Slewing Bearing/Internal Gear Single-row Slewing Bearing /Internal Gear Four Point Contact Ball Slewing Bearing Contact Ball Slewing Bearing /Internal Gear Four Point Contact Slewing Bearing Four-point Contact Ball Slewing Ring Bearing Four Point Contact Ball Slewing Bearing 133.25.500 Double Row Ball Slewing Bearing/Internal Gear