Material:bearing steel. Applicable to, motor bearings / RC Boat The shaft. ID: 4mm, OD: 13mm, height: 5mm. ID: 5mm, OD: 14mm, height: 5mm. ID: 6mm, OD: 17mm, height: 6mm. ID: 8mm, OD: 22mm, height: 7mm.
MKS Servos HV777 Japan High Quality Coreless Motor Metal Gear High (New)
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