20pcs delrin POM Plastic coated bearing nylon U groove track guide roller bearings pulley wheel Bore size 3mm 4mm 5mm 6mm

20pcs delrin POM Plastic coated bearing nylon U groove track guide roller bearings pulley wheel Bore size 3mm 4mm 5mm 6mm

U groove POM Plastic coated bearing 695ZZ 5*18*6mm track guide roller bearing wheel nylon wrapped pulley bore 5mm diameter 18mm

U groove Plastic coated bearing 608ZZ 8*40*20.5mm POM track guide roller wheel nylon pulley bore size 8mm diameter 40mm

20pcs delrin POM Plastic coated bearing nylon U groove track guide roller bearings pulley Peilin wheel Bore size 6mm

10pcs delrin POM Plastic coated bearing nylon U groove track guide roller bearings pulley wheel Bore 8mm 10mm 12mm 15mm

U groove Plastic coated bearing 696ZZ 6*26*8mm POM track guide roller wheel 4mm line nylon pulley Bore 6mm Diameter 26mm

U groove POM Plastic coated bearing 695ZZ 5*17*6mm track guide roller bearing wheel nylon wrapped pulley bore 5mm diameter 17mm

10pcs delrin POM Plastic coated bearing nylon U groove track guide roller bearings pulley wheel Bore 8mm 10mm 12mm 15mm

U groove Plastic coated bearing 608ZZ 8*29.5*9mm POM roller concave wheel nylon pulley bore size 4mm diameter 29.5mm

20pcs delrin POM Plastic coated bearing nylon U groove track guide roller bearings pulley Peilin wheel Bore size 3 4 5 6 mm

U / V groove Plastic coated bearing 625ZZ 5*30*6mm POM roller wheel wire guide nylon wrapped pulley Bore 5mm Diameter 30mm

20pcs H type groove Plastic coated bearing 604ZZ 4*15*6mm wheel POM nylon pulley roller bearings bore 4mm diameter 15mm

20pcs U groove Plastic coated bearing 608ZZ 6*39*8mm POM roller concave wheel nylon wrapped pulley bore size 6mm diameter 39mm

U groove Plastic coated bearing 608ZZ 8*29.5*9mm POM roller concave wheel nylon pulley bore size 6mm diameter 29.5mm

20pcs T groove Plastic coated bearing 696ZZ 6*21*10mm track guide POM roller wheel nylon pulley Bore 6mm Diameter 21mm

U groove Plastic coated bearing 608ZZ 8*48*9mm POM roller guide wheel nylon pulley sheave bore size 8mm diameter 48mm

U groove Plastic coated bearing 626ZZ 6*30*10mm POM concave roller wheel nylon wrapped pulley Bore size 6mm diameter 30mm

20pcs U groove Plastic coated bearing 696ZZ 6*21*7mm POM roller door window wheel nylon wrapped pulley Bore 6mm Diameter 21mm

10pcs U groove Plastic coated bearing 6200ZZ 10*54*14mm POM roller track guide wheel nylon pulley sheave bore 10mm diameter 54mm

10pcs U groove Plastic coated bearing 6201 12*44*16mm POM nylon pulley wheel sheave track guide roller bore 12mm diameter 44mm

10pcs U groove Plastic coated bearing 608ZZ 8*50*12mm POM roller track guide wheel nylon pulley sheave bore 8mm diameter 50mm

U groove Plastic coated bearing 628RS 8*45*11.5mm sliding door POM roller wheel nylon U type pulley bore size 8mm diameter 45mm

U type groove Plastic coated bearing 608ZZ 8*40*10mm POM roller guide Wire wheel nylon pulley bore size 8mm diameter 40mm

U groove Plastic coated bearing 608ZZ 8*40*11.5mm POM roller guide Wire rope wheel nylon pulley bore 8mm diameter 40mm

10pcs U groove Plastic coated bearing 6200RS 10*48*16mm POM roller track guide wheel nylon pulley sheave bore 10mm diameter 48mm

20pcs U groove Plastic coated bearing 696ZZ 6*21*10mm Moving door window POM roller wheel nylon pulley Bore 6mm Diameter 21mm

U groove Plastic coated bearing 696ZZ 6*27*9 mm door window drawer roller wheel nylon pulley POM bore 6mm diameter 27mm

U groove Plastic coated bearing 625ZZ 5*24*7mm door window roller POM wheel nylon wrapped pulley Bore 5mm Diameter 24mm

U groove Plastic coated bearing 625ZZ 5*21*7mm doors and windows POM roller wheel nylon wrapped pulley Bore 5mm Diameter 21mm

U groove Plastic coated bearing 6001ZZ 12*38*11mm POM nylon wrapped pulley roller wheel sheave bore size12mm diameter 38mm

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