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Linear bearing LME-OP series open type linear bearing, also known as Linear bearing LME-OP series open type linear ball bearing . OP is an abbreviation for open. It is a metric version, which is suitable for European markets, such as Germany and France,etc.

The type LME-OP linear bearing owns similar structure to the standard type, also has outer race, steel ball, cage and end ring these components. The function of the cage is to constrain the steel balls in the circuit, and the end ring enables the cage to be fixed in the outer ring. For open type, it cuts off a group of circuit on the basis of the standard type. It brings convenience for the replacement and assembly.

Since the outer bushing of LME-OP series linear bearing is an open type,   opening distance as well as the opening angle vary with the specification. The number of ball rows for LME metric series open-type linear bearings varies according to the bearing size, and the range is 3-5 columns.


Linear bearings are more and more widely used in precision equipment, such as electronic equipment, printing machinery, textile machinery, robots, tool machinery, CNC machine tools, automobiles, digital three-dimensional coordinate measuring equipment and other relevant equipment.

Bearing ModelBall numberDimensions(mm)MAX.Basic Load Rating(kN)Weight(kg)
Inner diameterOuter diameterlengthExternal stop grooveWhθ
drToleranceDTolerance LTolerance BTolerance D1Dyn.CStat.Co
LME10UU-OP310+0.008 0190 -0.009290 -0.20220 -0.20181.36.880°0.01238470.023
LME12UU-OP312+0.008 0220 -0.009320 -0.2022.90 -0.20211.37.578°0.01252790.032
LME16UU-OP416+0.008 0.001260 -0.009360 -0.2024.90 -0.2024.91.31078°0.01259910.044
LME20UU-OP420+0.008 0.001320 -0.011450 -0.2031.50 -0.2030.31.61060°0.015881400.075
LME25UU-OP525+0.011 0.001400 -0.011580 -0.3044.10 -0.3037.51.8512.560°0.0151001600.181
LME30UU-OP530+0.011 0.001470 -0.011680 -0.3052.10 -0.3044.51.8512.550°0.0151602800.272
LME40UU-OP540+0.013 0.002620 -0.013800 -0.3060.60 -0.30592.1516.850°0.0172204000.600 
LME50UU-OP550+0.013 0.002750 -0.0131000 -0.3077.60 -0.30722.652150°0.0173908100.970 
LME60UU-OP560+0.013 0.002900 -0.0221250 -0.40101.70 -0.4086.53.1527.254°0.0248010201.580 
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