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NF221W

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

Product Information

Designations

NF221W

Boundary Dimensions

d 105 mm
D 190 mm
B 36 mm
EW 168.8 mm
r (min.） 2.1 mm
r1 (min.) 2.1 mm

Basic Load Ratings

Cr 247000 N Basic dynamic load rating
C0r 241000 N Basic static load rating

Speeds

Thermal Speed Rating (Oil-bath) 4500 min-1
Grease 2600 min-1
Oil 3200 min-1

Dimensions

Abutment and Fillet Dimensions

da (min.) 116 mm
Db(min.) 173 mm
Da(max.) 179 mm
Db(max.) 179 mm
ra (max.) 2 mm

Calculation factors

Additional information

Mass

(approx.) 4.15 kg