Проверь по каталогу SKF
ссылкаОчень даже есть такой.
Needle roller bearings, alignment, with inner ring
Tolerances , see also text
Radial internal clearance , see also text
Recommended fits
Shaft and housing tolerances
Principal Basic load ratings Fatigue Speed ratings Mass Designation
dimensions dynamic static load Reference Limiting
limit speed speed
d D C C C0 Pu
mm kN kN r/min kg -
30 52 20 24,6 45 5,6 11000 13000 0,18 PNA 30/52