MR18307 LLB 18x30x7 Bearing ABEC3 MR18307 LLB 18x30x7 Bearing ABEC3 Sizes: 18x30x7 Price: 375 ฿ Brand: Enduro Bearings Model: MR18307 LLB Quality: ABEC 3 Size (ID x OD x width): 18x30x7mm