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691

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

Product Information

Designations

691

Boundary Dimensions

d 1 mm
D 4 mm
B 1.6 mm
r (min.） 0.1 mm

Basic Load Ratings

Cr 153 N Basic dynamic load rating
C0r 36 N Basic static load rating

Speeds

Grease 100000 min-1
Oil 120000 min-1

Dimensions

Abutment and Fillet Dimensions

da (min.) 1.8 mm
Da(max.) 3.2 mm
ra (max.) 0.1 mm

Calculation factors

Additional information

Z 5
DW 0.8 mm

Mass

(approx.) 0.00009 kg