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N228M

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

Product Information

Designations

N228M

Boundary Dimensions

d 140 mm
D 250 mm
B 42 mm
EW 221 mm
r (min.） 3 mm
r1 (min.) 3 mm

Basic Load Ratings

Cr 400000 N Basic dynamic load rating
C0r 420000 N Basic static load rating

Speeds

Thermal Speed Rating (Oil-bath) 3400 min-1
Grease 2400 min-1
Oil 3000 min-1

Dimensions

Abutment and Fillet Dimensions

da (min.) 153 mm
Db(min.) 226 mm
Db(max.) 237 mm
ra (max.) 2.5 mm
rb (max.) 2.5 mm

Calculation factors

Additional information

Mass

(approx.) 8.98 kg