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NNU4921K

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

Product Information

Designations

NNU4921K

Boundary Dimensions

d 105 mm
D 145 mm
B 40 mm
FW 117 mm
r (min.） 1.1 mm

Basic Load Ratings

Cr 198000 N Basic dynamic load rating
C0r 315000 N Basic static load rating

Speeds

Grease 3800 min-1
Oil 4800 min-1

Dimensions

Abutment and Fillet Dimensions

da (min.) 111.5 mm
d1a (min.) 113 mm
da (max.) 116 mm
dc (min.) 120 mm
Da(max.) 138.5 mm

Calculation factors

Additional information

Mass

(approx.) 1.99 kg