623 zz mini ball bearings black plastic coated dual 623V roller bearing for 3D printer 3*10*4 mm

Our company is a professional manufacturer on various kind of bearings in China for over 15 years.We are making all kinds of slide bearings including DU PTFE composit bushing, DX POM composite bushing,bimetal bushing,wrapped bronze bushing, cast sliding bushings and wear plate bearing pad, sintered bronze bushing and sintering parts, graphite bearing, etc. The shapes of bearings can be in sleeve, flanged, spherical, plate, washer, pad, ring, square etc. Base materials in carbon steel, harden steel, iron, stainless steel, bronze, brass, copper, bronze-steel alloy.Lubricant materials in PTFE, teflon, POM, nylon, plastic, oil, graphite, grease, MoS2, etc. You can consult our number: 0086-731 84770165, or sent to our mailbox: bushings@slide-bearing.com, or left click on the website customer service online consultation.