20pcs U groove Plastic coated bearing 696ZZ 6*23*12 mm door window 3D printer POM roller wheel nylon pulley Bore 6mm Dia 23mm

20pcs U groove Plastic coated bearing 696ZZ 6*23*12 mm door window 3D printer POM roller wheel nylon pulley Bore 6mm Dia 23mm
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sku: 1005001825476914
$24.80
Shipping from: China
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