roller wheel ø 33mm B1 8mm A 33mm B 8mm C 14.5mm D M8mm E 11.5mm plastic tread plastic

roller diameter 33 mm roller width 8 mm thread size M8x1.25 material plastic size A 33 mm size B 8 mm size C 14.5 mm size D M8 mm size E 11.5 mm tread plastic bearing ball bearing thread length 20 mm packaging unit 1 piece