uxcell R188ZZ Deep Groove Ball Bearings Z2 1/4 Inch x 1/2 Inch x 3/16 Inch Double Shielded Chrome Steel 10pcs sold2024 5kgMotor voltage: 3V-6VProduct size: 18014089mmMotor

5kgMotor voltage: 3V-6VProduct size: 18014089mmMotor reduction ratio: 1:120Chassis material: aluminum alloyPacking List:1 Mecanual wheel chassis1 Extension bracket4 Black Mecanual wheel4 TT motor4 M432 copper pillar8 M48 round head machine screw8 M325 round head machine screw8 M3 nut4 M2

And it is a DC Motor Speed Controller

It provides strength while maintaining durability

floor detection

The perfect marble drill bit

uxcell R188ZZ Deep Groove Ball Bearings Z2 1/4 Inch x 1/2 Inch x 3/16 Inch Double Shielded Chrome Steel 10pcs sold2024 5kgMotor voltage: 3V-6VProduct size: 18014089mmMotoruxcell R188ZZ Deep Groove Ball Bearings Z2 1 4 Inch x 1 2 Inch x 3 16 Inch Double Shielded Chrome Steel 10pcs Product Features R188ZZ (I. D.=1 4 inch, O. D.=1 2 inch, Thickness=3 16 inch) R188 2Z bearings are shielded on BOTH SIDES to keep lubricant in Made from Chromium Steel (GCr15), durability and resistance to under heavy loads ABEC Tolerance 1 (P0), Z2 Noise Level for most general use Static load rating of 80 newtons and dynamic load rating of