https://www.tente.com/en-au/fixed-castor-250-mm/4688uop250p63
Fixed castor 250 mm | Polyamide, Precision ball bearing, With threadguard | 250 | Blue passivated |...
The Zeta fixed castor features a medium rectangular plate fitting and is constructed with a steel sheet, very heavy housing for maximum durability. The wheel...
precision ball bearing