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N308W

Single-Row Cylindrical Roller Bearings
Single-Row Cylindrical Roller Bearings

Product Information

Designations

N308W

Boundary Dimensions

d 40 mm
D 90 mm
B 23 mm
EW 77.5 mm
r (min.） 1.5 mm
r1 (min.) 1.5 mm

Basic Load Ratings

Cr 72000 N Basic dynamic load rating
C0r 57000 N Basic static load rating

Speeds

Thermal Speed Rating (Oil-bath) 8500 min-1
Grease 5600 min-1
Oil 6700 min-1

Dimensions

Abutment and Fillet Dimensions

da (min.) 48 mm
Db(min.) 80 mm
Db(max.) 82 mm
ra (max.) 1.5 mm
rb (max.) 1.5 mm

Calculation factors

Additional information

Mass

(approx.) 0.649 kg