10pcs MR137 ZZ 7 * 13 * 4mm high speed miniature bearings inner diameter 7mm ball bearings
10pcs MR128 ZZ 8 * 12 * 3.5mm miniature bearings MR128 2Z inner diameter 8mm ball bearings
10pcs MR63 ZZ 3 * 6 * 2.5mm high speed 0630 miniature bearings MR63ZZ miniature ball bearings
10PCS 693 ZZ 3 * 8 * 4mm miniature bearings deep groove ball miniature ball bearings
10pcs MR62 ZZ 2 * 6 * 2.5mm miniature bearings MR62ZZ miniature ball bearings
10pcs MR85 ZZ 5 * 8 * 2.5mm miniature bearings MR85 2Z inner diameter 5mm ball bearings
