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NF321M

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

Product Information

Designations

NF321M

Boundary Dimensions

d 105 mm
D 225 mm
B 49 mm
EW 195 mm
r (min.） 3 mm
r1 (min.) 3 mm

Basic Load Ratings

Cr 420000 N Basic dynamic load rating
C0r 390000 N Basic static load rating

Speeds

Thermal Speed Rating (Oil-bath) 3800 min-1
Grease 2600 min-1
Oil 3200 min-1

Dimensions

Abutment and Fillet Dimensions

da (min.) 118 mm
Db(min.) 200 mm
Da(max.) 212 mm
Db(max.) 212 mm
ra (max.) 2.5 mm

Calculation factors

Additional information

Mass

(approx.) 9.84 kg