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：2025-04-22
• Application:rubber products machinery and equipment,printing machinery,relay,Hydraulic Couplings,Other Machine Tools,security equipment,Grinding and polishing equipment,lifting equipment Hoisting hoist,car and accessories,directional control valve,container finishing
• Similar models:NTN W688AZ SKF BB1B362688A ZEN 688-2Z NSK F688AZZ AST 688HZZ ZEN F688-2ZW4 ZEN F688W5 ZEN F688-2RSW6 KOYO 688 ZEN SF688
• 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
  6810VV	50	65	7	NSK	Deep Groove Ball Bearings
  6811-2RS	55	72	9	CYSD	Deep Groove Ball Bearings
  35TAC20X+L	35	62	34	NSK	Thrust Ball Bearings
  54207	30	62	37,8	FAG	Thrust Ball Bearings
  6208	40	80	18	NSK	Deep Groove Ball Bearings
  625-2RD	5	16	5	KOYO	Deep Groove Ball Bearings
  7009CDT	45	75	16	CYSD	Angular Contact Ball Bearings
  7017 CB/HCP4A	130	85	22	SKF	Angular Contact Ball Bearings
  7040DT	200	310	51	NACHI	Angular Contact Ball Bearings
  7203 BDT	17	40	24	ISO	Angular Contact Ball Bearings
  HB55 /S/NS 7CE3	55	80	13	SNFA	Angular Contact Ball Bearings
  KGSNS40-PP-AS	40	62	80	INA	Linear Bearings
  N224 E	120	215	40	CX	Cylindrical Roller Bearings
  RNA5910	58	72	30	CX	Needle Roller Bearings
  RNU3820	190,500	340,000	190,500	NTN	Cylindrical Roller Bearings
  W200PP	10	30	14,27	Timken	Deep Groove Ball Bearings
  X33115/Y33115	75	125	37	Timken	Tapered Roller Bearings
  634ZZ	4	16	5	ADR	DEEP GROOVE BALL BEARINGS
  FL605	5	14	5	NTN	DEEP GROOVE BALL BEARINGS
  61940-ZZ	200	280	38	CONSOLIDATED	DEEP GROOVE BALL BEARINGS