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NU309EM

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

Product Information

Designations

NU309EM

Boundary Dimensions

d 45 mm
D 100 mm
B 25 mm
FW 58.5 mm
r (min.） 1.5 mm
r1 (min.) 1.5 mm

Basic Load Ratings

Cr 120000 N Basic dynamic load rating
C0r 98500 N Basic static load rating

Speeds

Thermal Speed Rating (Oil-bath) 7100 min-1
Mechanical (forced-circulation oil) 12000 min-1
Grease 6000 min-1

Dimensions

Abutment and Fillet Dimensions

db (min.) 53 mm
dc (min.) 60 mm
db (max.) 56 mm
Da(max.) 92 mm
ra (max.) 1.5 mm

Calculation factors

Additional information

Mass

(approx.) 1 kg