d - 8 mm

D - 16 mm

B - 4 mm

C - 4 mm

r min. - 0,2 mm

r1 min. - 0,2 mm

C1 - 1 mm

D1 - 18 mm

D2 - 18 mm

ba min. - 9,6 mm

ra max. - 0,2 mm

C2 - 1,1 mm

Weight - 0,0036 Kg

Basic dynamic load rating (C) - 1,25 kN

Basic static load rating (C0) - 0,59 kN

(Grease) Lubrication Speed - 42000 r/min

(Oil) Lubrication Speed - 50000 r/min

Calculation factor (f0) - 14,8

• Model Number:F688
• Inner Diameter：8mm Outer Diameter：16mm Width：4mm
• Type：Deep Groove Ball Bearings
• Update date：2026-01-03
• Application:office outdoor camping equipment,pipe fittings Steel industry,Water Monitoring,pneumatic Pump,Other Machine Tools,power tools,respirator,Traffic Fire Protection Equipment Security equipment,animal anatomy,Display Devices,insect experimental analysis instrument
• Similar models:ZEN 688 ZEN S688-2RS NTN 6888 ZEN SF688-2ZW6 ZEN F688-2RS ZEN S688-2ZW6 ZEN S688-2RSW4 NSK 688AZZ1 NSK F688AZZ ISO 688AZZ
• BEARING POWER International Trading Co.,Ltd. specialize in F688 products，there is large inventory of KOYO F688 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the F688 Which KOYO F688 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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  120RN92	120	198		Timken	Cylindrical Roller Bearings
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  240/1060-B-MB	1060	1500	438	FAG	Spherical Roller Bearings
  33013	65	100	27	NKE	Tapered Roller Bearings
  51103 V/HR22T2	26	17	9	SKF	Thrust Ball Bearings
  6575/6535	76,2	161,925	53,975	NSK	Tapered Roller Bearings
  7040 ACD/P4A	310	200	51	SKF	Angular Contact Ball Bearings
  AST50 56IB36	88,9			AST	Plain Bearings
  BXRE309-2RSR	45	100	25	INA	Needle Roller Bearings
  EXFL316	80			SNR	Bearing Units
  JM734445/10	160	240	46	ISO	Tapered Roller Bearings
  KGX120	304,8	355,6	25,4	KOYO	Angular Contact Ball Bearings
  RASE70	70		65	NKE	Bearing Units
  SF4615	230,000	300,000	35,000	NTN	Angular Contact Ball Bearings
  UKFL209	41,275			KOYO	Bearing Units
  Z99AE115	1.9375	3.5433	.7874	New Departure	BALL BEARINGS
  6811ZZ	55	72	9	NSK	DEEP GROOVE BALL BEARINGS
  ML304	20	52	15	Rollway	CYLINDRICAL ROLLER BEARINGS
  ML307	35	80	21	Rollway	CYLINDRICAL ROLLER BEARINGS
  CRSBC-12	.3750	.7500	.5000	Torrington	NEEDLE BEARINGS