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MR74

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

Product Information

Designations

MR74

Boundary Dimensions

d 4 mm
D 7 mm
B 2 mm
r (min.） 0.1 mm

Basic Load Ratings

Cr 345 N Basic dynamic load rating
C0r 115 N Basic static load rating

Speeds

Grease 60000 min-1
Oil 67000 min-1

Dimensions

Abutment and Fillet Dimensions

da (min.) 4.8 mm
Da(max.) 6.2 mm
ra (max.) 0.1 mm

Calculation factors

Additional information

Z 8
DW 1 mm

Mass

(approx.) 0.00022 kg