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

10pcs U groove Plastic coated bearing 608ZZ 8*48*9mm POM roller guide wheel nylon pulley sheave bore size 8mm diameter 48mm

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

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 608ZZ 8*40*20.5mm POM track guide roller wheel nylon pulley bore size 8mm diameter 40mm

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

10pcs U groove Plastic coated bearing 608ZZ 8*40*20.5mm POM track guide roller wheel nylon pulley bore size 8mm diameter 40mm

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

20pcs U groove Plastic coated bearing 608ZZ 8*29.5*9mm POM roller concave wheel nylon pulley bore size 4mm diameter 29.5mm

20pcs U groove Plastic coated bearing 608ZZ 8*30*10mm door window POM roller guide wheel nylon pulley bore 8mm diameter 30mm

10pcs U groove Plastic coated bearing 608ZZ 8*40*11.5mm POM roller guide Wire rope wheel nylon pulley bore 8mm diameter 40mm

20pcs U groove Plastic coated bearing 608ZZ 8*29.5*9mm POM roller concave wheel nylon pulley bore size 6mm diameter 29.5mm

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

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

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

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

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

20pcs U groove Plastic coated bearing 608ZZ 8*29.5*8mm POM concave wheel nylon pulley roller bore 8mm diameter 29.5mm

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

20pcs U groove Plastic coated bearing 6000ZZ 10*35*9mm POM roller track guide wheel nylon pulley sheave bore 10mm diameter 35mm

U groove Plastic coated bearing 6*26*9mm POM track guide roller Perrin wheel nylon pulley Bore size 6mm Diameter 26mm

20pcs U groove Plastic coated bearing 6000ZZ 10*35*9mm POM roller track guide wheel nylon pulley sheave bore 10mm diameter 35mm

10pcs/50pcs 8*40*16.5 mm Nylon coated plastic H type groove pulley POM roller guide wheel 608ZZ bore size 8mm diameter 40mm

10pcs U groove Plastic coated bearing 6000ZZ 10*60*9mm wheel POM nylon pulley roller bore size 10mm diameter 60mm

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

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

U groove Plastic coated bearing 625ZZ 5*25*9mm doors windows POM roller wheel nylon wrapped pulley bore 5mm diameter 25mm

20pcs U groove Plastic coated bearing 696ZZ 6*24*9mm sliding door window POM roller wheel nylon pulley Bore 6mm Diameter 24mm

U groove Plastic coated bearing 626ZZ 6*35.5*9mm POM roller lifting wheel nylon pulley bore 6mm diameter 35.5mm

20pcs U groove Plastic coated bearing 625RS 5*21*6mm door window POM roller wheel nylon wrapped pulley sheave Bore 5mm Dia 21mm