Description Ball bearing swivel bases feature dual rows of Delrin® ball bearings that swivel freely even under high loads. Bases include stand-up springs and a U-adaptor to accept a variety of appropriate blocks. Delrin® is a registered trademark of E. I. du Pont de Nemours and Company or its affiliates. Height (mm) 46 mm Height (in) 1 13/16 in Weight (g) 136 g Weight (oz) 4.8 oz Minimum line Ø (mm) 3 mm Minimum line Ø (in) 1/8 in Maximum line Ø (mm) 6 mm Maximum line Ø (in) 1/4 in Fastener spacing (mm) 26 mm Fastener spacing (in) 1 1/32 in Maximum working load (kg) 91 kg Maximum working load (lb) 200 lb
