Ball bearing race for turntable steering, for transport equipment up to 30 km/h, max. load 1800 kg, overall height 52 mm. Supplied = assembled. Flange diameter = 500 mm. Max. load axial = 1800 kg. Outer diameter upper ring = 437 mm. Inner diameter lower ring = 384 mm. Inner diameter upper ring = 315 mm. Hole circle diameter, lower ring = 475 mm. Hole circle diameter, upper ring = 340 mm. Flange thickness = 8 mm. Overall height = 52 mm. Product type = ball bearing races. For transport equipment up to 30 km/h. For turntable steering. 2 steel rings with ball bearing races. Precision steel ball bearings. Lubrication nipple. Black primed surface. For flange up to 500 mm, we recommend 4 - 6 bolts, for larger at least 8 bolts. All M 10 - M 12, rigidity class 8.8. Both flange rings without bore holes. Caution Dimension D (inner top ring ) is subject to manufacturing tolerances of +2 mm/-15 mm. For dim. A, manufacturing tolerances of 0 to +5 mm. Check tolerances to ensure smooth running fit. Holes to be drilled by customer as required.