contact us page

NJ344M

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

Product Information

Designations

NJ344M

Boundary Dimensions

d 220 mm
D 460 mm
B 88 mm
FW 284 mm
r (min.） 5 mm
r1 (min.) 5 mm

Basic Load Ratings

Cr 1470000 N Basic dynamic load rating
C0r 1570000 N Basic static load rating

Speeds

Thermal Speed Rating (Oil-bath) 1400 min-1
Grease 1200 min-1
Oil 1500 min-1

Dimensions

Abutment and Fillet Dimensions

db (min.) 240 mm
db (max.) 278 mm
dd(min) 307 mm
Da(max.) 440 mm
ra (max.) 4 mm

Calculation factors

Additional information

Mass

(approx.) 76.1 kg