Bearings
Oil Seals & O-rings
INA G & SD Oil Seals
Quick Code: BB-507445
SD42X52X4 INA Polyurethane Double Lip Oil Seal
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Product Specification
Brand
INA
Inside Diameter
41.48mm
Lip Type
Double Lip
Material
PU elastomer and polyamide
Outside Diameter
52.52mm
Pressure resistance
Up to 0.5 bar max.
Temperature range
-30 to +100 deg C
Tension spring
Without
Version
Plastic
Width
4mm
Reference
SD42-52-4
Additional Reference:
10090288
Quick Order Code
BB-507445
Product Description
SD42X52X4 INA Polyurethane Double Lip Oil SealSeals are crucial in safeguarding bearings from contamination. The use of inadequate seals can result in the intrusion of contaminants into the bearing or allow an excessive amount of lubricant to leak out. The presence of solid contaminants can cause wear and fatigue in both the raceways and rolling elements.
INA sealing rings were specifically designed for needle roller bearings and have been on the market for nearly fifty years. Throughout this period, they have demonstrated remarkable effectiveness in the automotive and engine manufacturing sectors, as well as in machinery and equipment construction.
There are two plastic parts that make up the sealing ring. Reinforced polyamide (black) is used to make the seal carrier, while thermoplastic PU elastomer (green) is used to make the seal lip area. Depending on the shaft surface condition, SD sealing rings can also be used as wipers on shafts that are undergoing axial motion and permit stroke speeds of up to 3 m/s.
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