New Linear Motion Ball Bear Bearing Liner Bush Bushing I.D. 3mm-50mm 3D Printer. Material：Bearing Steel. Bearing No：LM3(3x7x10) LM4(4x8x12) LM5(5x10x15) LM6(6x12x19) LM8(8x15x24) LM10(10x19x29) LM12(12x21x30) LM13(13x23x32) LM16(16x28x37) LM20(20x32x42) LM25(25x40x59) LM30(30x45x64) LM35(35x52x70) LM40(40x60x80) LM50(50x80x100).
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