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688A

Extra Small Ball Bearings and Miniature Ball Bearings
Extra Small Ball Bearings and Miniature Ball Bearings

Product Information

Designations

688A

Boundary Dimensions

d 8 mm
D 16 mm
B 4 mm
r (min.） 0.2 mm

Basic Load Ratings

Cr 1770 N Basic dynamic load rating
C0r 710 N Basic static load rating

Speeds

Grease 36000 min-1
Oil 43000 min-1

Dimensions

Abutment and Fillet Dimensions

da (min.) 9.6 mm
Da(max.) 14.4 mm
ra (max.) 0.2 mm

Calculation factors

Additional information

Z 9
DW 2.381 mm

Mass

(approx.) 0.00312 kg