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：2023-03-10
• Application:fabric products,X-ray Equipment,Digital Generator,position switch,Traffic Fire Protection Equipment Security equipment,defogging and degreasing,Hydraulic Rama,car steering pin,pneumatic,other lathe,security equipment
• Similar models:CYSD 6840-RZ NACHI 6840 NTN 6848C FBJ 684ZZ CYSD 6848-2RS CYSD 6840-ZZ NSK 684A CYSD 6840-2RS NSK 684AZZ KOYO 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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  SA0081	49	90	45	FAG	Angular Contact Ball Bearings
  UCC206-19	30,1625		38,1	KOYO	Bearing Units
  61802	15	24	5	ELGES	DEEP GROOVE BALL BEARINGS
  H304.010	20	32		FAG	ADAPTERS
  SL014830	150	190	40	INA	CYLINDRICAL ROLLER BEARINGS
  TSC208S78	.8750	3.4375	1.4375	FED	AGRICULTURAL BALL BEARINGS
  NKX45Z	58	45		INA	NEEDLE BEARINGS
  3326	130	280	58	New Departure	DEEP GROOVE BALL BEARINGS
  7324BMG	120	260	55	CONSOLIDATED	ANGULAR CONTACT BALL BEARINGS
  NU-1860	300	380	38	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  NJ-404	20	72	19	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS