Needle rollers linear cages are normally used into flat guideways to ensure smoth running and rigidity for all types of guidance systems. LI-BE linear cages are normally manufactured in cold roller brass or in aluminium alloy strips. The choice depends on the functioning of the guideways where cages are mounted. In all the available executions cages are ground, before mounting the rollers, in order to get a plain surface and an homogeneous thickness to improve their sliding movement. The needle rollers used have a special profile and are selected within 1µm clearance to obtain an optimal load distribution on the rollers and as a consequence a longer working life of the guideways. The load coefficients are calculated according to ISO recommendations. LI-BE needle rollers cage are made in one piece and available up to maximum length of 1000 mm.
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