10Pcs Electric Nail Drill Machine Bearing R188ZZ 6.35X12.7X4.76mm ABEC-9 Ball Bearings R188(623ZZ 3x10x4)

10Pcs Electric Nail Drill Machine Bearing R188ZZ 6.35X12.7X4.76mm ABEC-9 Ball Bearings R188Model: R188ZZMetric:Inner (d): 6.35mmOuter (D): 12.7mmWidth (B): 4.763mmInch:Inner (d): 1/4 = 0.25 inchOuter (D): 1/2 = 0.5 inchWidth (B): 3/16 = 0.1875 inchAccuracy Class: ABEC-7Bearing Type: Ball BearingBearing Material GCr15 Bearing SteelBall Material: GCr15 Bearing SteelSeal Type: Metal Seal CoverLubrication: GreaseMagnetic: littleHardness: 58HRCClearance: C0Bearing Material : Bearing Steel GCr15Bearing Sizes : 6.35X12.7X4.76mmIBearing Type : Ball BearingApplication : High Speed MotorBearing Characteristics : Running SmoothDear gentlemen and ladies, welcome to my shop. Your support is our greatest driving force for progress. All products in our store have undergone strict screening and quality control to ensure the reliable quality of each item, allowing you to buy with confidence and comfort. Dear customer, please feel free to purchase with confidence and have a pleasant shopping experience.

• *Preferred steel, not prone to rusting, strong antioxidant capacity, and good anti-corrosion performance.
• *The friction is small, the noise is small, the moment of inertia is low, the noise is smaller, the operation runs smoothly.
• *Efficient operation, long life, due to fluidity contact can greatly reduce the starting friction resist and dynamic friction resist
• *rotation accuracy, not easy to burn.
• *Suitable high-demand occasions, strong adaptability.