42 52 7mm bicycle hub headset bearings

{"cid":"91199289","title":"42*52*7mm 47.8*56.8*7mm 50*61.9*8mm 50*61.9*8mm 36\/45\u00b0 45\/45\u00b0 Degree Bicycle Hub Headset Bearings","imgUrl":"https:\/\/img.chinax.com\/nimg\/55\/7a\/7524c012bc7d3d4fb3fb274f3787-200x200-1.jpg","attrs":{"Price":"negotiable","Brand Name":"SFT","Model Number":"42*52*7mm 47.8*56.8*7mm 50*61.9*8mm 50*61.9*8mm","Minimum Order Quantity":"negotiable","Delivery Time":"20-45DAYS","Place of Origin":"China","Payment Terms":"L\/C, T\/T, Western Union, MoneyGram","Supply Ability":"50000PCS\/MONTH","Packaging Details":"carton,pallet","Bore Size":"34.1 - 34.11 mm","Precision Rating":"P0 P6 P5 P4 P2","Number of Row":"Single row","Type":"BALL","Seals Type":"2RS","Material":"Chrome Steel","Cage":"Steel Cage","Application":"bike","Lubrication":"Grease","Quality":"ABEC1 ABEC3"}}