Product Details
High quality ABEC-3 flange bearings
Quantity = 2
Size: 2x5x2.3F
Unit: metric (mm)
If it doesn't specify which ABEC rating, it's likely that's it's ABEC-1. ABEC-3 bearings are much tighter in tolerance than ABEC-1 bearings, thus provide much higher accuracy and smoothness.
