d - 4 mm

D - 9 mm

B - 4 mm

C - 4 mm

r min. - 0,15 mm

r1 min. - 0,15 mm

da min. - 5,2 mm

Da max. - 7,8 mm

ra max. - 0,1 mm

Weight - 0,0006 Kg

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

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

(Grease) Lubrication Speed - 59000 r/min

Calculation factor (f0) - 12,8

• Model Number:W684ZZ
• Inner Diameter：4mm Outer Diameter：9mm Width：4mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-12
• Application:small appliances,Logistics Equipment,Broadcasting System,hydraulic cylinder,flexible processing,instrument,Insect Count,lifting chain,machining,reducer,municipal machinery
• Similar models:KOYO W684ZZ KOYO F684 ZEN F684-2Z CYSD 6848-Z CYSD 6844-2RZ AST F684HZZ CYSD 6840NR NTN 684AX50 ZEN 684 KOYO 306840
• BEARING POWER International Trading Co.,Ltd. specialize in W684ZZ products，there is large inventory of KOYO W684ZZ . We has been built up long-term cooperation with KOYO company, could make a bulk order of the W684ZZ Which KOYO W684ZZ 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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  01/02/7114	70	110	25	RIV	TAPERED ROLLER BEARINGS
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  N-210E	50	90	20	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  35x68x6mm	35	68	6	CONSOLIDATED	OIL SEALS