d - 4 mm

D - 9 mm

B - 2,5 mm

C - 2,5 mm

r min. - 0,15 mm

r1 min. - 0,15 mm

C1 - 0,6 mm

D1 - 10,3 mm

D2 - 10,3 mm

ba min. - 5,2 mm

ra max. - 0,1 mm

C2 - 1 mm

Weight - 0,0007 Kg

Basic dynamic load rating (C) - 0,64 kN

Basic static load rating (C0) - 0,23 kN

(Grease) Lubrication Speed - 59000 r/min

(Oil) Lubrication Speed - 70000 r/min

Calculation factor (f0) - 12,8

• Model Number: F684
• Inner Diameter：4mm Outer Diameter：9mm Width：2,5mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-11
• Application:transistor fittings,Control,chemical raw materials and reagents,lifting upgrade,municipal machinery,air conditioning tools,ventilation heating equipment,noise inspection,supporting facilities,impression material,instrumentation instrument
• Similar models:CYSD 6844N NSK 684AZZ ISO F684 CYSD 6844-ZZ ZEN SF684-2RS NTN FLW684AX50Z NACHI 6840 NACHI 6844 FBJ F684ZZ NACHI 6848
• BEARING POWER International Trading Co.,Ltd. specialize in F684 products，there is large inventory of KOYO F684 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the F684 Which KOYO F684 is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express.Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

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