vòng bi 1209 NTN chính hãng

Brand NTN d – Internal diameter 50 mm D – External diameter 90 mm B – Bearing/Inner ring width 20 mm d1 – External diameter inner ring 62,7 mm D1 – Inner diameter outer ring 77 mm rs – Min fillet radius 1,1 mm Radial clearance class CN Precision class P0 Mass 0,527 kg da ...