H Type Groove Wheel 3D Printer CNC Engraving Machine Package Rubber Bearing Pulley Pulley H 5 * 21 * 12.5
Special Features
- Outside diameter =21mm
- Thickness =12.5
- Inner hole =5mm
Description
Product Name: H0521-12.5 rubber bearing
Gauge: groove H type outside diameter =21mm, thickness =12.5, inner hole =5mm
Slot width: 8mm slot depth: 1.75mm groove bottom diameter: 17.5mm
Material: POM
Color: Black
Weight: 11g
Bearing model: two 625ZZ (inside diameter =5mm diameter =16mm, thickness =5mm)
Bearing material: carbon steel
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