BEARING DEVICE FOR VEHICLE WHEEL

A bearing device for a vehicle wheel, which has an increased number of balls and in which the ease of mounting the balls is increased. The bearing device is configured such that each of the columns () of the retainer () is provided with latch sections () protruding toward adjacent columns () and with cutouts. The front ends of the latches () are located within an annular range having a radial width R defined between the outer peripheral circle of a ball () and a reference imaginary circle C having a diameter D centered on the center of the ball ().