With low be sanded LBlu seals/equivalent to 2RS LLU/LLB (one side: Orange, other side: Black)
Grease does not need to be added extra.
MR18307 Sealed Cartridge Bearing is designed for some DT Swiss, Bontrager, and Giant applications.
This bearing is a peculiar bearing as it's only 1mm different to 6903-2rs which has a 17mm ID, instead of this bearing
وصف
Item: 18307 RS
Structure: Deep Groove
Material: Bearing Steel
Ball Material: Ceramic Si3N4
Bore Dia (d): 18 mm
Outer Dia (D): 30 mm
Width (B): 7 mm
Closures: Rubber Seal
Lubrication: Grease
Magnetic: little
Hardness: 58HRC
Corrosion Resistance: General
Clearance: C0
Grades: ABEC-3