contact us page

NNU4948

Double-Row Cylindrical Roller Bearings
Double-Row Cylindrical Roller Bearings

Product Information

Designations

NNU4948

Boundary Dimensions

d 240 mm
D 320 mm
B 80 mm
FW 263 mm
r (min.） 2.1 mm

Basic Load Ratings

Cr 770000 N Basic dynamic load rating
C0r 1450000 N Basic static load rating

Speeds

Grease 1600 min-1
Oil 2000 min-1

Dimensions

Abutment and Fillet Dimensions

da (min.) 251 mm
d1a (min.) 254 mm
da (max.) 262 mm
dc (min.) 269 mm
Da(max.) 309 mm

Calculation factors

Additional information

Mass

(approx.) 18 kg