Nilos AV Sealing Rings: A Nilos ring that seals the outer roller bearing ring is described as an AV type. They are used to provide sealing for bearings that have no shields or seals. A Nilos ring of suitable dimensions can be installed so that the Nilos ring fully encloses the open area of the bearing.
Nilos rings are required in particular installations where excess dirt or debris may be present that could penetrate up to the bearing, if some further mechanical protection is required or if condensation is formed.
Sealing is produced by placing the sealing edge of the Nilos ring under light pressure at the outer bearing ring so that it rubs to a greater or lesser depth into the hardened roller bearing ring. The fine labyrinth produced as a result prevents the leakage of grease and the penetration of dirt into the bearing. If sealing is required around the inner raceway then a JV type Nilos ring should be used.
Brand / Quality: Nilos - High Quality Inside Diameter: 20mm Outside Diameter: 44.8mm Width: 2mm Thickness: 0.3mm Item Type: AV Nilos Ring
Fits Bearing
=
NUP304
Bearing id
=
20mm
Bearing od
=
52mm
Bearing width
=
15mm
a
=
44.8mm
c
=
33mm
d
=
20mm
h
=
2mm
s
=
0.3mm
Nilos rings of AV and JV type will wear a groove around the inner or outer raceways to provide their own labyrinth seal
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NUP304AV Nilos Ring for NUP304 Series Bearings 20x44.8x2mm
Simply bearings are the UK's largest online retailer of bearings, seals, belts, chains, sprockets, lubricants and other associated power transmission equipment.
Simply Bearings Ltd, Halton House, Greenfold Way, Leigh Greater Manchester WN7 3XJ United kingdom
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