10pcs HCS Deep V Groove Sealed Guide Line Track Pulley Ball Bearing 3*12*4m!E

ITEM NAME:10pcs HCS Deep V Groove Sealed Guide Line Track Pulley Ball Bearing 3*12*4m!E Features: Wire pulley groove，Wide application This item is ordinary precision, adaptation to low speed, low load applications Specifications: Material:High carbon steel Dimension:(Inside diameter)3mm x (outer diameter)12mm x (thickness)4mm V groove width: 2.8mm.Wire pulley groove，Wide application. 10 pcs Wire pulley with V groove. This item is ordinary precision, adaptation to low speed, low load applications. V groove width: 2.8mm.