Features: bearing steel balls have high precision, high hardness, smooth surface, good roundness, wear resistance. Material: Bearing steel GCR15 (100Cr6).
Metric Chrome Steel Ball Bearings 1mm 2mm 3mm 4mm 5mm 6mm 7mm 8mm 9mm to 200mm
Solid Carbon Steel Ball 50-3000PCS/Bag Ball Bearing (Metric Sizes: 1mm )
Ball Bearings chrome steel Grade 100 1mm 2mm 3mm 4mm 5mm 6mm 8mm 2.5mm
X AUTOHAUX 300pcs 6 Sizes Bicycle Bearing Ball Chrome Steel with Storage Box
15267-2RS Ball Bearing, 15x26x7mm Chrome Steel Rubber Sealed, 15267RS Bicycle Bearings Smoothly for American Classic Rear Hub, (Pick of 4Pcs)
20Pcs Bike 6.3 MM Steel Ball Bearings Bicycle Hub Axis of Steel Ball - 6.3mm