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：2025-12-16
• Application:Industrial,surgical instruments,electric pump,X-ray Equipment,Pump,packaging materials,Other Measurements,insect experimental analysis instrument,Beauty and Body,small diesel generators,Warehouse Shelf Equipment
• Similar models:NTN 688AZZ NSK 688AZZ1 NSK F688AZZ ZEN F688W6 ZEN S688-2Z ISB F688ZZ NTN F-W688ALLU ISO F688ZZ AST F688HZZ ISB 688
• 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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