d - 8 mm

D - 16 mm

B - 5 mm

C - 5 mm

r min. - 0,2 mm

db max. - 10,2 mm

Db min. - 14,2 mm

rb max. - 0,2 mm

Weight - 0,00402 Kg

Basic dynamic load rating (C) - 1,61 kN

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

(Grease) Lubrication Speed - 28 000 r/min

• Model Number:688 A DD
• Inner Diameter：8mm Outer Diameter：16mm Width：5mm
• Type：Deep Groove Ball Bearings
• Update date：2023-03-15
• Application:security equipment,glass processing machine,sewage pump,insect experimental analysis instrument,pump,generator,cleaners,powder metallurgy,Reflective Materials Industrial fabrics,small appliances,sawing machine
• Similar models:FBJ 688 ZEN 688 ZEN S688-2RS KOYO W688ZZ ZEN 688W6 ZEN 688-2ZW6 AST 688HZZ AST 688H-2RS ZEN SF688W5 KOYO W688-2RD
• BEARING POWER International Trading Co.,Ltd. specialize in 688ADD products，there is large inventory of NSK 688 A DD . We has been built up long-term cooperation with NSK company, could make a bulk order of the 688 A DD Which NSK 688ADD 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
  200KT	10	30	12,19	Timken	Deep Groove Ball Bearings
  5760/5735	76,2	135,733	44,45	Timken	Tapered Roller Bearings
  4T-74500/74850	127	215,9	47,625	NTN	Tapered Roller Bearings
  53256	280	380	85	NACHI	Thrust Ball Bearings
  6002-2RU	15	32	9	KOYO	Deep Groove Ball Bearings
  6222	110	200	38	CRAFT	Deep Groove Ball Bearings
  EE181453/182350	368,3	596,9	95,25	NSK	Cylindrical Roller Bearings
  7315B	75	160	37	FBJ	Angular Contact Ball Bearings
  7304 B	20	52	15	ISB	Angular Contact Ball Bearings
  745A/742-B	69,85	150,089	46,672	Timken	Tapered Roller Bearings
  7948	240	320	38	KOYO	Angular Contact Ball Bearings
  GE140ES	140	210		AST	Plain Bearings
  LM720648/LM720610	101,6	146,05	25,4	Timken	Tapered Roller Bearings
  KGA045	114,3	165,1	25,4	KOYO	Angular Contact Ball Bearings
  NUP205E	25	52	15	CYSD	Cylindrical Roller Bearings
  RNA6902	20	28	23	ZEN	Needle Roller Bearings
  UCP209-28	44,45		49,2	KOYO	Bearing Units
  24020-2CS	100	150	50	SKF	SPHERICAL ROLLER BEARINGS
  NK37/30	47		30	INA	NEEDLE BEARINGS
  WH-4A			1.1250	CONSOLIDATED	LINEAR RECIRCULATING BALL BEARING