Z: Steel Sheild on One Side
NR: Snap ring groove and snap ring at the outer ring (in bearings with a single seal/shield, the groove is closer to the side without the seal/shield)
V: (Untranslatable)
C3: Radial internal clearance, larger than normal (according to DIN 620, ISO5753
45mm Bore, 100mm OD, 25mm Width