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Adjustable Type Linear Bearing LM...AJ Series
Adjustable Type Linear Bearing LM...AJ Series

Adjustable Type Linear Bearing LM...AJ Series


Linear bearing LM..AJ type has the same dimensions as the standard type, but the nut has a slit in the direction of the LM shaft. This allows the linear bushing to be installed in a housing whose inner diameter is adjustable, and enables the clearance between the LM shaft and the housing to easily be adjusted.


The biggest difference between LM...AJ adjustment linear bearing and standard linear bearing is that the former bushing is not completely closed, which facilitates installation and adjustment during assembly.


The LM...AJ linear bearing with slot for clearance adjustment is metric in size. It is crafted according to Asian standard, so as to meet the demand for use in Asian machines. The product used for the shaft with a minimum nominal diameter of 6mm has a length of 19mm, while the linear bearing with slot used for the shaft with a maximum nominal diameter of 150mm is 240mm in length. Our different models of products can be applied in different machines, in order to help the normal operation of shaft and shaft parts, as well as to ensure the precise working position.


Please be aware that any drop or knock of the linear bushing may cause damage. When it is impacted, the function may be damaged even if the appearance does not appear to be. Please note any decomposition of the linear bearing may result in the entry of foreign matter or adversely affect the assembly accuracy.


Linear ball bearings LM...AJ are widely used in electronic equipment, food machinery, packaging machinery, medical machinery, printing machinery, textile machinery, machinery, equipment, robots, tool machinery, CNC machine tools, automotive and digital three-dimensional coordinate measuring equipment and other precision equipment or special machinery industry.





Bearing Model



Ball number

Dimensions(mm)


Basic Load Rating(kN)


Weight(kg)

Inner diameter Outer diameter length External stop groove W h MAX.
dr Tolerance D Tolerance L Tolerance B Tolerance D1 Dyn.C Stat.Co
LM6UU-AJ 4 6 0 -0.009 12 0 -0.011 19 0 -0.20 13.5 0 -0.20 11.5 1.1 1 0.012 21 27 0.0076
LM8SUU-AJ 4 8 0 -0.009 15 0 -0.011 17 0 -0.20 11.5 0 -0.20 14.3 1.1 1 0.012 18 23 0.001
LM8UU-AJ 4 8 0 -0.009 15 0 -0.011 24 0 -0.20 17.5 0 -0.20 14.3 1.1 1 0.012 27 41 0.0147
LM10UU-AJ 4 10 0 -0.009 19 0 -0.013 29 0 -0.20 22 0 -0.20 18 1.3 1 0.012 38 56 0.029
LM12UU-AJ 4 12 0 -0.009 21 0 -0.013 30 0 -0.20 23 0 -0.20 20 1.3 1.5 0.012 42 61 0.031
LM13UU-AJ 4 13 0 -0.009 23 0 -0.013 32 0 -0.20 23 0 -0.20 22 1.3 1.5 0.012 52 79 0.042
LM16UU-AJ 5 16 0 -0.009 28 0 -0.013 37 0 -0.20 26.5 0 -0.20 27 1.6 1.5 0.012 79 120 0.068
LM20UU-AJ 5 20 0 -0.010 32 0 -0.016 42 0 -0.20 30.5 0 -0.20 30.5 1.6 1.5 0.015 88 140 0.085
LM25UU-AJ 6 25 0 -0.010 40 0 -0.016 59 0 -0.30 41 0 -0.30 38 1.85 2 0.015 100 160 0.216
LM30UU-AJ 6 30 0 -0.010 45 0 -0.016 64 0 -0.30 44.5 0 -0.30 43 1.85 2.5 0.015 160 220 0.245
LM35UU-AJ 6 35 0 -0.012 52 0 -0.019 70 0 -0.30 49.5 0 -0.30 49 2.1 2.5 0.02 170 320 0.384
LM40UU-AJ 6 40 0 -0.012 60 0 -0.019 80 0 -0.30 60.5 0 -0.30 57 2.1 3 0.02 220 410 0.579
LM50UU-AJ 6 50 0 -0.012 80 0 -0.019 100 0 -0.30 74 0 -0.30 76.5 2.6 3 0.02 390 810 1.560
LM60UU-AJ 6 60 0 -0.015 90 0 -0.022 110 0 -0.30 85 0 -0.30 86.5 3.15 3 0.025 480 1020 1.820
LM80UU-AJ 6 80 0 -0.015 120 0 -0.022 140 0 -0.40 105.5 0 -0.40 116 4.15 3 0.025 735 1600 4.420
LM100UU-AJ 6 100 0 -0.020 120 0 -0.025 175 0 -0.40 125.5 0 -0.40 145 4.15 3 0.031 735


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