shimano 105 sealed bearings:1,ABEC-3,5;Z2V2,Z3V3
2,High speed
3,End cover:ZZ,RS
4,Noise level:Z1,Z2

Lily bearing is a specialized manufacturer of shimano 105 sealed bearings.

Features:

1),Shield / closure: Open,Teflon Sealed,Rubber Seals,2 Metal Shield
2),Tolerance codes: ABEC-1, ABEC-3, ABEC-5, ABEC-7
3),Vibration level codes: V4, V3, V2, V1
4),Internal clearance codes: C0,C2, C3, C4, C5
5),Material: AISI52100, AISI440C, AISI304, AISI316, Ceramic
6),Retainer: PTFE, Nylon, PEEK Or Stainless Steel

7),Bore Size:from 1mm to 10mm

8),Outside Diameter:from 3mm to 30mm

Currently, our miniature bearings contains the following types,

Metal Shield Bearings   Rubber Seals Bearings  Teflon Sealed Bearings