d - 8 mm

D - 16 mm

B - 4 mm

C - 4 mm

r min. - 0,2 mm

da min. - 9,6 mm

Da max. - 14,4 mm

ra max. - 0,2 mm

Weight - 0,00312 Kg

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

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

(Grease) Lubrication Speed - 36 000 r/min

(Oil) Lubrication Speed - 43 000 r/min

• Model Number:688 A
• Inner Diameter：8mm Outer Diameter：16mm Width：4mm
• Type：Deep Groove Ball Bearings
• Update date：2023-03-08
• Application:Laser Devices,non-ferrous metal alloy,medical equipment,medical equipment,hydraulic control element,X-ray Equipment,Other Measurements,Processing machinery,mobile toilet,defogging and degreasing,woodworking machinery
• Similar models:NSK 6884 NTN W688AZZ NSK 688A KOYO 688 ZEN F688 NTN F-FL688 ZEN F688-2ZW6 FBJ 688ZZ NTN 688A NSK 688ADD
• BEARING POWER International Trading Co.,Ltd. specialize in 688A products，there is large inventory of NSK 688 A . We has been built up long-term cooperation with NSK company, could make a bulk order of the 688 A Which NSK 688A 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
  248/850-MB	850	1030	180	FAG	Spherical Roller Bearings
  2306-K-TVH-C3	30	72	27	FAG	Self-Aligning Ball Bearings
  35BWD01CCA38	35	72	34	NSK	Angular Contact Ball Bearings
  47TS815529D-2	406,4	546,1	288,925	KOYO	Tapered Roller Bearings
  713667160				FAG	Wheel Bearings
  EE170975/171400	247,65	355,6	50,8	Timken	Tapered Roller Bearings
  7212 ACD/HCP4A	110	60	22	SKF	Angular Contact Ball Bearings
  81124TN	120	155	25	SKF	Thrust Roller Bearings
  89306	30	60		CX	Thrust Roller Bearings
  GEH500HF/Q	500	710	355	LS	Plain Bearings
  M-21101	33,338	41,275	15,88	Timken	Needle Roller Bearings
  NJ2222-E-M6	110	200	53	NKE	Cylindrical Roller Bearings
  VE303922AB1-1	30	39	21,8	KOYO	Needle Roller Bearings
  BA44ZOH			.2500	IKO	NEEDLE BEARINGS
  AN30			.9790	Torrington	LOCKNUTS
  627ZZ	7	22	7	Nachi	DEEP GROOVE BALL BEARINGS
  1418-SA	90	225	54	FED	SELF
  BU1205Z	25	52	15	Hyatt	CYLINDRICAL ROLLER BEARINGS
  HK0709	11		9	INA	NEEDLE BEARINGS
  FCRS-62	24	62	29	NSK	NEEDLE BEARINGS