d - 8 mm

D - 16 mm

B - 4 mm

C - 4 mm

r min. - 0,2 mm

da min. - 9,6 mm

da max - 10 mm

Da max. - 14,4 mm

ra max. - 0,2 mm

Weight - 3,1 Kg

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

Basic static load rating (C0) - 0,715 kN

(Grease) Lubrication Speed - 35 000 r/min

(Oil) Lubrication Speed - 41 000 r/min

Calculation factor (f0) - 14

• Model Number:688A
• Inner Diameter：8mm Outer Diameter：16mm Width：4mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-16
• Application:metallurgy,Optical Instruments,orthodontic material,intermediate,hydraulic connector,trolley,injection molding machine,Industrial,supporting facilities,medical equipment,generator
• Similar models:ZEN F688-2RSW6 NSK 688AVV NTN W688AZ ZEN S688-2RSW4 ZEN F688-2RSW4 ZEN 688-2RS FBJ F688ZZ NSK 688A NSK 688ADD ZEN 688W5
• BEARING POWER International Trading Co.,Ltd. specialize in 688A products，there is large inventory of NTN 688A . We has been built up long-term cooperation with NTN company, could make a bulk order of the 688A Which NTN 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.

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