German blaessinger bearings blaessinger models blaessinger prices

blaessinger bearings are linear motion systems produced at low cost, designed for infinite stroke in combination with cylindrical shafts. They are widely used in the sliding components of industrial machinery such as precision machine tools, textile machinery, food packaging machinery, and printing machinery.

blaessinger bearing introduction

Linear bearings are linear motion systems used for linear travel in combination with cylindrical shafts. Since the load-bearing balls make point contact with the bearing outer sleeve, the steel balls roll with minimal frictional resistance. Therefore, linear bearings feature low friction and high stability, unaffected by bearing speed, enabling smooth linear motion with high sensitivity and precision. Linear bearings also have limitations, primarily poor impact load capacity and limited load-carrying capacity; additionally, vibration and noise are significant during high-speed operation. Automated selection data for linear bearings is included. Linear bearings are widely used in the sliding components of industrial machinery such as precision machine tools, textile machinery, food packaging machinery, and printing machinery. Due to the point contact between the load-bearing balls and the bearing, the permissible load is low. The steel balls rotate with extremely low frictional resistance, thereby achieving high-precision smooth motion. Plastic linear bearings are self-lubricating linear motion systems. The main difference from metal linear bearings is that metal linear bearings operate on rolling friction with point contact between the bearing and the cylindrical shaft, making them suitable for low-load, high-speed motion; whereas plastic linear bearings operate on sliding friction with surface contact between the bearing and the cylindrical shaft, making them suitable for high-load, medium-to-low-speed motion.

blaessinger bearing features

Linear bearings are used in combination with hardened linear drive shafts as systems for infinite linear motion. Because the load-bearing balls and the hardened drive shaft have point contact, the permissible load is small; however, during linear motion, frictional resistance is minimal, precision is high, and motion is rapid. Plastic linear bearings have no special requirements for the mating shaft; they can withstand greater loads than metal bearings, but since the motion between the bearing and the shaft is sliding friction, the speed of plastic linear bearings is somewhat limited; motion resistance is higher than that of metal linear bearings; however, motion noise is lower than that of metal linear bearings, especially at medium-to-high speeds, where the noise of plastic linear bearings is minimally affected by speed. Due to the internal chip removal groove design, plastic linear bearings allow use in dusty environments, as dust is automatically carried out from the bearing body's friction surface through the grooves during motion; plastic linear bearings also allow cleaning during use, and the internal sliding film made of special materials can even operate in liquids for extended periods.

blaessinger bearing maintenance

Maintenance of metal linear bearings: Lubrication and friction: Anti-corrosion oil is injected into the interior of linear bearings. If using grease lubrication, first remove the anti-corrosion oil with kerosene or an organic solvent, air dry, and then add lithium soap grease (it is recommended to use lithium soap grease with a viscosity mark of N0.2). If using oil lubrication, there is no need to remove the anti-corrosion oil; select lubricating oil with ISO viscosity grade VG15-100 according to temperature changes. Shaft lubrication can be supplied via an oil supply pipe or through oil holes on the external bearing housing. Since seals scrape off lubricating oil, oil lubrication is not suitable for sealed bearings without oil holes. Maintenance of plastic linear bearings: Since the sliding film inside plastic linear bearings is made of self-lubricating plastic, no additional oil supply or maintenance is required during use; moreover, because plastic linear bearings have chip removal grooves, no maintenance is needed even if the bearing or shaft is clogged with dust, as dust is automatically carried out through the grooves during motion; only when the sliding film wears out and fails is it necessary to replace the internal sliding film directly; maintenance is very convenient.

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