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NJ248M

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

Product Information

Designations

NJ248M

Boundary Dimensions

d 240 mm
D 440 mm
B 72 mm
FW 295 mm
r (min.） 4 mm
r1 (min.) 4 mm

Basic Load Ratings

Cr 1150000 N Basic dynamic load rating
C0r 1340000 N Basic static load rating

Speeds

Thermal Speed Rating (Oil-bath) 1600 min-1
Grease 1300 min-1
Oil 1600 min-1

Dimensions

Abutment and Fillet Dimensions

db (min.) 256 mm
db (max.) 289 mm
dd(min) 316 mm
Da(max.) 424 mm
ra (max.) 3 mm

Calculation factors

Additional information

Mass

(approx.) 51.5 kg