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NJ321EM

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

Product Information

Designations

NJ321EM

Boundary Dimensions

d 105 mm
D 225 mm
B 49 mm
FW 133 mm
r (min.） 3 mm
r1 (min.) 3 mm

Basic Load Ratings

Cr 525000 N Basic dynamic load rating
C0r 480000 N Basic static load rating

Speeds

Thermal Speed Rating (Oil-bath) 3400 min-1
Mechanical (forced-circulation oil) 5300 min-1
Grease 2600 min-1

Dimensions

Abutment and Fillet Dimensions

db (min.) 118 mm
db (max.) 129 mm
dd(min) 149 mm
Da(max.) 212 mm
ra (max.) 2.5 mm

Calculation factors

Additional information

Mass

(approx.) 9.95 kg