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NJ308EM

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

Product Information

Designations

NJ308EM

Boundary Dimensions

d 40 mm
D 90 mm
B 23 mm
FW 52 mm
r (min.） 1.5 mm
r1 (min.) 1.5 mm

Basic Load Ratings

Cr 102000 N Basic dynamic load rating
C0r 81500 N Basic static load rating

Speeds

Thermal Speed Rating (Oil-bath) 7500 min-1
Mechanical (forced-circulation oil) 14000 min-1
Grease 6700 min-1

Dimensions

Abutment and Fillet Dimensions

db (min.) 48 mm
db (max.) 50 mm
dd(min) 60 mm
Da(max.) 82 mm
ra (max.) 1.5 mm

Calculation factors

Additional information

Mass

(approx.) 0.76 kg