LEGEND  Spherical roller bearings

d = Inner diameter in mm
D = Outer diameter in mm
B = Bearing width in mm

Cr (N) = Dynamic load rating in Newton (N)
Cor (N) = Static load rating in Newton (N)

N = kg * 9.8 
kg = N / 9.8

rpm = maximum rounds / minute * 1000

Suffix E = Heavy duty execution with unchanged measurements
Suffix E2 = solid cage
Suffix W33 = Regreasing hole and groove in the outer ring
Suffix W20 = Regreasing hole in the outer ring