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NF308M

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

Product Information

Designations

NF308M

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 6700 min-1
Oil 8500 min-1

Dimensions

Abutment and Fillet Dimensions

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

Calculation factors

Additional information

Mass

(approx.) 0.759 kg