5pcs 6*32*9.5mm U type groove pulley pom concave wheel 625 pulley bearing wrapped rubber plastic door window

5pcs 5*16*8.5mm U type groove pulley pom concave nylon wheel 695 pulley bearing wrapped rubber plastic wheel

5pcs 6*27*7mm U type groove pulley pom concave nylon wheel 696 pulley bearing wrapped rubber plastic wheel

5pcs 6*29*8mm U type groove pulley pom concave wheel nylon wrapped rubber plastic 6200zz pulley bearing

5pcs 3*13.5*4.4mm U type groove pulley pom concave wheel 693 pulley bearing wrapped rubber plastic wheel

5pcs 8*29.5*9mm U type groove pulley pom concave wheel 609 pulley bearing wrapped rubber plastic wheel

5pcs 5*21*7mm U type groove pulley pom concave nylon wheel 625zz pulley bearing wrapped rubber plastic wheel

5pcs 3*14*7mm U type groove pulley pom concave nylon mini wheel 693zz pulley bearing wrapped rubber plastic wheel

5pcs 10*41*13mm U type groove pulley pom concave wheel nylon wrapped rubber plastic 6200zz pulley bearing

5pcs 5*25.5*8.8mm U type groove pulley POM concave wheel NYLON plastic pulley bearing wrapped rubber wheel

5pcs 10*45*21mm POM nylon plastic pulley bearing wrapped rubber wheel U concave groove pulley doors and windows

10pcs 4*18*6mm 624ZZ bearing wrapped pulley, U groove wheel/door/window/furniture/mechanical guide wheel, concave wheel POM

5pcs 3*14*7mm U type groove pulley pom concave nylon mini wheel 693zz pulley bearing wrapped rubber plastic wheel

6*39*8mm Shift Door Pulley, Concave Wheel U Groove, Wire Rope Over Line Wheel, Rubber Wrapped Plastic Bearing Roller

10pcs 6*39*8mm shift door pulley, concave wheel U groove, wire rope over line wheel, rubber wrapped plastic nylon bearing roller

5pcs 4x19x8.5mm POM delrin Plastic U-shaped groove roller guide wheel R3mm track delrin wrapped S608ZZ bearing pulley

SWMAKER 10*35*9mm U type groove pulley wheel concave round nylon plastic POM plastic bags pack bearing wheel

4pc 18mm Diameter POM U Type Groove Pulley Wheel BSU62418-6C1L6M4 18mm OD Embedded 624 3D Printer Plastic Wrapped Bearing Pulley

[U0525-9N]10PCS U groove non-standard ball bearing roller pulley U type blue concave POM plastic printer wheel 5*25*9mm

High Quality U Groove 625 Round Pulley Ball Bearing Wheel Roller For Door Windows Shower Pulleys Drawer POM Guide Wheel

Diameter:25mm 625 Nylon U Concave Wheel Wrapped POM Bearing Pulley

10pcs 625 bearing plastic coated U groove concave wheel pulley wheel r1.75 guide wheel hanging wheel deepening

Diameter:25mm 625 Nylon U Concave Wheel Wrapped POM Bearing Pulley

Pulley Groove ID12mm Wheel Plastic POM Pulley Groove Round Concave Bearing 1PCS White Sliding Door Roller Sliding Track

10pcs 5*22*7mm convex wheel POM 625 bearing wrapped rubber bearing pulley nylon POM injection plastic belt wheel

1pcs 8*50*15cm nylon wrapped pulley 608zz bearing rolling POM polyformaldehyde/nylon plastic pulley U groove wheel

10pcs 5*22*7mm convex wheel POM 625 bearing wrapped rubber bearing pulley nylon POM injection plastic belt wheel

Diameter:25mm 625 Nylon U Concave Wheel Wrapped POM Bearing Pulley

10pcs 8*45*11mm 608ZZ bearing wrapped pulley/roller, POM plastic U groove wheel

Wheel Plastic ID15mm Pulley Groove Round Concave Wheel Pom Wheel Rail Wheel 6202zz White 1pcs Groove Roller Ball Bearing

Rail Wheel ID10mm Pom Wheel Groove Pulley Groove Round Concave 6000zz 6200zz White Wheels for Sliding Doors 1PCS