d - 8 mm

D - 16 mm

B - 4 mm

C - 4 mm

r min. - 0,2 mm

r1 min. - 0,2 mm

da min. - 9,6 mm

Da max. - 14,4 mm

ra max. - 0,2 mm

Weight - 0,0032 Kg

Basic dynamic load rating (C) - 1,6 kN

Basic static load rating (C0) - 0,71 kN

(Grease) Lubrication Speed - 42000 r/min

(Oil) Lubrication Speed - 50000 r/min

Calculation factor (f0) - 14

• Model Number: 688
• Inner Diameter：8mm Outer Diameter：16mm Width：4mm
• Type：Deep Groove Ball Bearings
• Update date：2025-04-24
• Application:Digital Generator,Grinding and polishing equipment,Broadcasting System,Low-voltage electrical equipment,power tools,engine,Insect Count,car instrument,Vertical pull,security equipment,pneumatic Pump
• Similar models:NSK F688AVV NTN F-FL688 ZEN 688-2ZW6 ZEN S688-2RS KOYO 6880 NTN 6884D2 NSK 6880 ISO F688 ZEN SF688-2RS ISO 688AZZ
• BEARING POWER International Trading Co.,Ltd. specialize in 688 products，there is large inventory of KOYO 688 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 688 Which KOYO 688 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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  608LB	8,000	22,000	7,000	NTN	Deep Groove Ball Bearings
  5563				Ruville	Wheel Bearings
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  81109TN	45	65	14	NBS	Thrust Roller Bearings
  ML71913HVUJ74S	65	90	13	SNR	Angular Contact Ball Bearings
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  NKXR 17 Z	17	26	25	NBS	Complex Bearings
  NUP316E	80	170	39	CYSD	Cylindrical Roller Bearings
  SR1-5	2,38	7,938	2,779	ZEN	Deep Groove Ball Bearings
  MB-24	120	138	12	FAG	LOCKWASHERS
  120328	.7500	1.1250	1.7500	BAL	JOURNAL ROLLER ASSEMBLIES
  RNA4844	270		50	INA	NEEDLE BEARINGS
  TRB512	.3125	.7500		Torrington	THRUST NEEDLE BEARINGS
  FPCU600-2RS1	6.0000	6.7500	.5000	SKF	DEEP GROOVE BALL BEARINGS
  NF405	25	80	21	STEYR	CYLINDRICAL ROLLER BEARINGS
  NU-2303	17	47	19	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  230SM320	320	520	133	CONSOLIDATED	SPLIT SPHERICAL ROLLER BEARINGS