SKF Single row deep groove ball bearing with two rubber seals 25mm inside x 52mm outside x 15mm width, also known as 6205LU, 6205LLU, 6205DU, 6205DDU, 6205RS, 62052RSH, 62052RS
SKF Single row deep groove ball bearings are used in a wide variety of applications, they are simple in design, non-separable, suitable for high speeds and are robust in operation, and need little maintenance. Deep raceway grooves and the close conformity between the raceway grooves and the balls enable deep groove ball bearings to accommodate axial loads in both directions, in addition to radial loads.
Single row deep groove ball bearings are manufactured as open type (unsealed), sealed and shielded, the most popular sizes of deep groove ball bearings are also produced in sealed versions with shields or contact seals on one or both sides, the bearings with shields or seals on both sides are lubricated for life and are maintenance free. A sealed bearings seals has contact on the bearings inner and outer, a shielded bearings shield has contact on the outer only, and Shielded bearings are primarily intended for applications where the inner ring rotates. If the outer ring rotates, there is a risk that the grease will leak from the bearing at high speeds.
The RSH Contact Seal
Depending on bearing size and available space, there are two different designs.
A secondary seal lip withstands high pressure cleaning and prevents water entry. The contact pressure between this seal lip and the seal counterface increases when pressure is applied to the outside of the bearing, while the lip design features prevent the seal from being pressed into the bearing.
Seals for bearings with an outside diameter larger than 25 mm, have radial slots in the tapered attachment. These provide the contact area between seal lip and counterface
with proper lubrication, enabling the grease to act as a third protection. This also contributes to extended bearing service life.
There are also two RSH designs. They differ slightly in the position of the primary seal lip, depending on bearing size and available space. The seal for bearings with
an outside diameter smaller than 25 mm is shown in fig. 4
an outside diameter larger than 25 mm is shown in fig. 5.
The RSH contact seal provides
Increased grease retention
Improved exclusion of contaminants and water, specifically under high-pressure water impact
Bearings with the RSH contact seal can be identified by the designation suffix
RSH: a seal on one side of the bearing, e.g. 6203-RSH
2RSH: a seal on both sides of the bearing, e.g. 6204-2RSH
Inside diameter d: 25mm
Outside diameter D: 52mm
Width B: 15mm
Basic Load Ratings
Reference speed:- r/min
Limiting speed: 8500 r/min
r1,2 min: 1
|Dimensions - d (inside diameter)||25mm|
|Dimensions - D (outside diameter)||52mm|
|Dimensions - B (width)||15mm|
Here at Bearing King we offer the full range of SKF products including ball, self-aligning, angular contact, cylindrical, needle and spherical bearings at highly competitive prices which are available for same or next day delivery