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637

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

Product Information

Designations

637

Boundary Dimensions

d 7 mm
D 26 mm
B 9 mm
r (min.） 0.3 mm

Basic Load Ratings

Cr 5050 N Basic dynamic load rating
C0r 1970 N Basic static load rating

Speeds

Grease 28000 min-1
Oil 34000 min-1

Dimensions

Abutment and Fillet Dimensions

da (min.) 9 mm
Da(max.) 24 mm
ra (max.) 0.3 mm

Calculation factors

Additional information

Z 7
DW 4.762 mm

Mass

(approx.) 0.024 kg