d - 4 mm

D - 9 mm

B - 2,5 mm

C - 2,5 mm

Weight - 0,00065 Kg

Basic dynamic load rating (C) - 0,638 kN

Basic static load rating (C0) - 0,226 kN

(Grease) Lubrication Speed - 53000 r/min

(Oil) Lubrication Speed - 63000 r/min

• Model Number:684
• Inner Diameter：4mm Outer Diameter：9mm Width：2,5mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-11
• Application:axle lathe,Internal thread type,Surveying Surveying Instruments,Cylinder Micro,hydraulic cylinder buffer,non-ferrous metal alloy,E Beauty,atomizer class,DC generators,Gear grinding machine,Hydraulic Equipment
• Similar models:KOYO SB684556 CYSD 6848-ZZ ISO F684 CYSD 6848-2RS CYSD 6844NR AST 684H ISB 684ZZ CYSD 6840-Z NTN 684AX50ZZ NTN W684ASSA
• BEARING POWER International Trading Co.,Ltd. specialize in 684 products，there is large inventory of FBJ 684 . We has been built up long-term cooperation with FBJ company, could make a bulk order of the 684 Which FBJ 684 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
  293/1600-E-MB	1600	2280	408	FAG	Thrust Roller Bearings
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  71808 ACD/P4	52	40	7	SKF	Angular Contact Ball Bearings
  609-ZZ C3	9	24	7	PFI	Deep Groove Ball Bearings
  62/22-2NSE	22	50	14	NACHI	Deep Groove Ball Bearings
  7034C	170	260	42	NTN	Angular Contact Ball Bearings
  7948DF	240	320	38	CYSD	Angular Contact Ball Bearings
  EGB9060-E40	90	95	60	INA	Plain Bearings
  NA4906-2RSR	30	47	18	INA	Needle Roller Bearings
  NP 406	30	73		NACHI	Cylindrical Roller Bearings
  SIBP22S	22			LS	Plain Bearings
  TR358023	35	80	22,75	KBC	Tapered Roller Bearings
  UCFL320-63	100,0125			KOYO	Bearing Units
  AD5028	140	210	53	American	CYLINDRICAL ROLLER BEARINGS
  N01			.3230	SKF	LOCKNUTS
  R525	25	80	21	HOFF	CYLINDRICAL ROLLER BEARINGS
  UEL208-108D1	1.5000	3.1496	.8268	NTN	PILLOW BLOCKS
  98832	1.3750	2.3750	2.0000	BERLISS	JOURNAL ROLLER ASSEMBLIES
  NLJ-21/2	2.5000	5.0000	.9375	RHP	SELF
  NN-3088-KMSP/5	440	650	157	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS