7mm ball bearings 687

7mm ball bearing 687 is also called 687 bearing. 687 Bearing(7mm ball bearing 687) is a pop miniature ball bearing in application, standard 687 bearing(7mm ball bearing 687) is with a bore size 7mm,a outer diameter 14mm and a width 3.5mm.Non-standard 687 bearing(7mm ball bearing 687) with special size is also accepted for special application in Runstar. Usually there are three types for 687 bearing(7mm ball bearing 687), they are open type,with shields and with rubber seal. 687 bearing(7mm ball bearing 687) is belong to open type, it is convenient for user to clean and add the grease in application. You can easily find 687 bearing(7mm ball bearing 687) in life, usually the 687 bearing(7mm ball bearing 687) are widely used in rc hobby,fishing reel and micro motor etcs.

Runstar Bearings Manufacturing Co.;Ltd is a professional 687 bearing factory since 2007,we design and manufacture 687 bearing(7mm ball bearing 687) from ABEC-1 to ABEC-7 for industries, the material of 687 bearing (7mm ball bearing 687)can be chrome steel,stainless steel or hybrid ceramic for choices.687 bearings(7mm ball bearing 687) with hybrid ceramic balls can improve the speed greatly and decrease the friction and weight greatly. All 687 bearing(7mm ball bearing 687) from Runstar is with RoHs and REACH compliance,it is well-known for its high precision,low voice and long life.

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