681XZZ Bearings 1.5x4x2 mm Miniature Ball Bearings L-415ZZ

P/N	681XZZ
Material	52100 Chrome Steel
Type	1.5x4x2
d (mm)	1.5
D (mm)	4
B1 (mm)	2
Cr (N)	112
Cor (N)	33
Ref. Speed	100,000 RPM
Lubrication	Oil Lubrication
Weight	0.001 Kg

681XZZ is a kind of miniature bearings.In the system of EZO and NSK bearing part number, 681XZZ is common, but for NMB, the leading manufacturer of mini bearings, it's also called L-415ZZ. And for KOYO and NTN, it's also searched by W68/1.5ZZ and W68/1.5ZZA. These bearing part number stands for the the same bearings 1.5x4x2.