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N221M

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

Product Information

Designations

N221M

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 3400 min-1
Oil 4000 min-1

Dimensions

Abutment and Fillet Dimensions

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

Calculation factors

Additional information

Mass

(approx.) 4.43 kg