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681

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

Product Information

Designations

681

Boundary Dimensions

d 1 mm
D 3 mm
B 1 mm
r (min.） 0.05 mm

Basic Load Ratings

Cr 88 N Basic dynamic load rating
C0r 23 N Basic static load rating

Speeds

Grease 130000 min-1
Oil 150000 min-1

Dimensions

Abutment and Fillet Dimensions

da (min.) 1.4 mm
Da(max.) 2.6 mm
ra (max.) 0.05 mm

Calculation factors

Additional information

Z 7
DW 0.5 mm

Mass

(approx.) 0.00003 kg