d - 4 mm

D - 9 mm

B - 4 mm

C - 4 mm

r - 0,15 mm

D2 - 10,3 mm

da min. - 5,2 mm

ra max. - 0,1 mm

C2 - 1 mm

Weight - 0,001 Kg

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

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

(Grease) Lubrication Speed - 59 000 r/min

Calculation factor (f0) - 12,8

• Model Number: WFN684 ZZ
• Inner Diameter：4mm Outer Diameter：9mm Width：4mm
• Type：Deep Groove Ball Bearings
• Update date：2025-04-23
• Application:electronic components,Forming mold,SPA equipment,power source,packaging machinery,Liposuction device,Oral Image,preservation equipment,medical equipment,mechanical and electrical,Spectrum Products
• Similar models:CYSD 6844N CYSD 6844-2RZ ISB F684ZZ ZEN S684 KOYO 306841 NTN F-W684AZZ CYSD 6840-RZ KOYO 6840 KOYO WFN684ZZ ISO 684A
• BEARING POWER International Trading Co.,Ltd. specialize in WFN684ZZ products，there is large inventory of KOYO WFN684 ZZ . We has been built up long-term cooperation with KOYO company, could make a bulk order of the WFN684 ZZ Which KOYO WFN684ZZ 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.

• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  140TP158	355,6	508	95,25	Timken	Thrust Roller Bearings
  24130-E1-K30 + AH24130	145	250	100	FAG	Spherical Roller Bearings
  53215U	75	110	32	NSK	Thrust Ball Bearings
  89308	40,000	78,000	22,000	NTN	Thrust Ball Bearings
  FR156	4,762	7,938	2,779	ISB	Deep Groove Ball Bearings
  GE 90 DO	90	130	60	INA	Plain Bearings
  GEC400HCS	400	540	190	LS	Plain Bearings
  MHK16121	25.400	33.338	19.050	KOYO	Needle Roller Bearings
  NJ336	180	380	75	KOYO	Cylindrical Roller Bearings
  NUP1088	440	650	94	CX	Cylindrical Roller Bearings
  S71912 CD/P4A	60	85	13	SKF	Angular Contact Ball Bearings
  SA2-20B	31,75	50,8	27,762	NTN	Plain Bearings
  TUP2 140.100	140	145		CX	Plain Bearings
  NKI7/12	7	17	12	FAG	NEEDLE BEARINGS
  BA2610ZOH			.6250	IKO	NEEDLE BEARINGS
  RSL183024	120		46	INA	CYLINDRICAL ROLLER BEARING
  6318	90	190	43	FAG	DEEP GROOVE BALL BEARINGS
  SJ-7335-SS			1.2500	RBC	NEEDLE BEARINGS
  F61706-ZZ	30	37	4	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  AHX-320x95	100	95		CONSOLIDATED	WITHDRAWAL SLEEVES