All of those cylindrical roller bearing are widely applied to marine, automobile, machine tool, motor,etc.

Bearing Production diameter and structure:

1) N202 - N248, N303 - N334, N403 - N418, N2203 - N2226, N2305 - N2330
2) NU1011 - NU1024, NU202 - NU264, NU303 - NU356, NU404 - NU430,
NU2203 - U2264, NU2305 - NU2352
3) NJ1011 - NJ1024, NJ202 - NJ252, NJ303 - NJ356, NJ404 - NJ430, NJ2203 -
NJ2264, NJ2305 - NJ2352
4) NUP202 - NUP228, NUP303 - NUP324, NUP404 - NUP418, NUP2203 - NUP2226,
NUP2307 - NUP2316
5) NF202 - NF228, NF303 - NF324, NF404 - NF418, NF2203 - NF2226
6) RN203 - RN228, RN307 - RN313
7) RNU204 - RNU218, RNU305 - RNU311

i.e: