10PCS MR138ZZ 8x13x4 mm Deep Groove Ball Bearing Miniature Bearing ABEC-7 Double Shielded MR138 ZZ
Special Features
- Bearings
- 10PCS MR138ZZ 8x13x4 mm Deep Groove Ball Bearing Miniature Bearing ABEC-7 Double Shielded MR138 ZZ
Description
Bearings
Surface Roughness : Ra 0.2
Capacity : 8X13X4 mm
Structure : GEAR
Model Number : MR138ZZ
Material : Steel
Bearing Grade: : ABEC-7
Bearing Material : : Bearing Steel GCr15
Ball Material : : Bearing Steel GCr15
Bearing Sizes : : 8X13X4 mm
Inner Diameter : : 8 mm
Out Diameter : : 13mm
Width : : 4 mm
Lubrication : : Greased
Application : : 3D Printer Bearing
Bearing Characteristics : : Running Smooth & High Speed
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