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687

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

Product Information

Designations

687

Boundary Dimensions

d 7 mm
D 14 mm
B 3.5 mm
r (min.） 0.15 mm

Basic Load Ratings

Cr 1290 N Basic dynamic load rating
C0r 510 N Basic static load rating

Speeds

Grease 40000 min-1
Oil 45000 min-1

Dimensions

Abutment and Fillet Dimensions

da (min.) 8.2 mm
Da(max.) 12.8 mm
ra (max.) 0.15 mm

Calculation factors

Additional information

Z 9
DW 2 mm

Mass

(approx.) 0.00213 kg