This standard specifies the dimensions and tolerances of oil seals for rotating shafts (hereinafter referred to as oil seals) that are compatible with shaft diameters of 6 to 480 mm and housing inner diameters of 16 to 530 mm.
JIS B 2402-1:2002 history
2013JIS B 2402-1:2013 Rotary shaft lip-type seals incorporating elastomeric sealing elements.Part 1: Nominal dimensions and tolerances
2002JIS B 2402-1:2002 Rotary shaft lip type seals -- Part 1: Nominal dimensions and tolerances