d - 8 mm

D - 12 mm

B - 2,5 mm

C - 2,5 mm

r min. - 0,1 mm

da min. - 8,8 mm

da max - 9,1 mm

Da max. - 11,2 mm

ra max. - 0,1 mm

Weight - 0,75 Kg

Basic dynamic load rating (C) - 0,515 kN

Basic static load rating (C0) - 0,252 kN

(Grease) Lubrication Speed - 38 000 r/min

(Oil) Lubrication Speed - 45 000 r/min

Calculation factor (f0) - 15,9

• Model Number:678A
• Inner Diameter：8mm Outer Diameter：12mm Width：2,5mm
• Type：Deep Groove Ball Bearings
• Update date：2023-03-09
• Application:Oral Image,filter paper products,wheel lathe,machining,Plastic Equipment,surgical instruments,car steering pin,orthodontic material,Digital Generator,electrostatic protection,centrifugal pump
• Similar models:NTN W678AZ NTN FLAW678AZ NTN 678A NTN FL678AZZ NTN W678AZZ NTN F-W678AZZ NTN FL678A NTN 678AZZ NTN F-FLAW678AZZ NTN FLAW678AZZ
• BEARING POWER International Trading Co.,Ltd. specialize in 678A products，there is large inventory of NTN 678A . We has been built up long-term cooperation with NTN company, could make a bulk order of the 678A Which NTN 678A 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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