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The ASNA sealing cover for ball bearings is a specialized seal designed to protect the bearing from dirt, dust, and moisture, thus extending its lifespan. Sealing covers like ASNA prevent foreign particles from entering and ensure the lubricant stays inside the bearing, optimizing its efficiency and performance. This type of sealing is commonly used in precision applications where bearing protection is critical.
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The introduction of oil through the bores and grooves creates an oil film on the mating surfaces between the sleeve and the bearing. This reduces friction and significantly reduces the forces required for mounting. The bearing slides more easily onto the taper, minimising the risk of surface damage. In addition, independently operable oil inlets for the inner and outer oil grooves facilitate movement of the entire sleeve and bearing assembly after installation.
When oil is forced through the holes and grooves between the sleeve and bearing or between the shaft and sleeve, the bearing to sleeve and sleeve to shaft connections are loosened. As the press fit is released abruptly, the axial movement of the sleeve must be limited by a nut or stop.
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Compatible with SNGH and FSCM series.
Made from durable steel.
Ensures reliable sealing
EC covers of the same design also available
Nitrile Butadiene Rubber (NBR), also known as Buna-N or Nitrile rubber, is a synthetic rubber commonly used in applications requiring resistance to oils, fuels, and other chemicals. Its excellent resistance to petroleum-based oils and hydrocarbons makes it ideal for use in seals, gaskets, and hoses. NBR is also widely used in the automotive, aerospace, and industrial sectors due to its flexibility, durability, and resistance to wear and abrasion. It can operate in a wide temperature range, making it suitable for various demanding environments.
ASNA housing cover
High-quality materials
NBR rubberized edge
Alternative for SN housings
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