Special size thin-section ball bearing A2520-ZZ, MR2520-ZZ, A2520, MR2520.
Bore diameter: 20.00 mm
Outer diameter: 25.00 mm
Width(OPEN type & ZZ type): 4.00 mm
ABEC-3(ISO P6) grade
Chrome steel GCr15 material for races and balls
Steel cage
ZZ type & OPEN type available here.