Chiloskit 20pcs 1.5mm Deep Metal V Groove Guide Pulley Bearing Wheel Rail Ball Bearings Wheel 4x13x6mm

Features

• Wire pulley groove,Wide application.These are specialized bearings that are used in many linear motion systems such as 3D printer, quadcopter or ship model, package with 20 pcs in package, you can keep them for spare or just substitutes for those old ones
• This item is ordinary precision, adaptation to low speed, low load applications.
• Wide applications in many fields: industrial machines, cars, ships, household appliances, health care system, motors, mine, petroleum, petroleum, alchemy, papermaking, agriculture, cranes, etc
• Dimension:(Inside diameter)4mm x (outer diameter)13mm x (thickness)6mm.Material:High carbon steel.V groove width: 4mm.V groove deepness: 1.5mm
• Please note the size befor you buy it dear customer !