Single row deep groove ball bearings are particularly versatile. They are simple in design, non-separable, suitable for high and even very high speeds and are robust in operation, requiring 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, even at high speeds.
Single row deep groove ball bearings are the most widely used bearing type. Consequently, they are available from SKF in many executions and sizes:
| – | open basic design bearings  |
| – | sealed bearings  |
| – | ICOS® oil sealed bearing units  |
| – | bearings with snap ring groove, with or without snap ring |
Other deep groove ball bearings for special applications, shown in the " Engineering products" and " Mechatronics" sections, include:
| – | hybrid bearings  |
| – | insulated bearings  |
| – | high temperature bearings |
| – | bearings with Solid Oil |
| – | sensorized bearings |
| – | polymer ball bearings |
The SKF product range also includes bearings with a tapered bore. This variant is not included in this catalogue. Information will be provided on request.
| Deep groove ball bearings with filling slots |
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Single row deep groove ball bearings with filling slots have a filling slot in both the inner and outer ring enabling more and larger balls to be incorporated than in standard deep groove ball bearings. Filling slot bearings have a higher radial load carrying capacity than bearings without filling slots, but their axial load carrying capacity is small. They are also unable to operate at such high speeds as bearings without filling slots. Depending on the main application for which they are used, deep groove ball bearings with filling slots have a cage or no cage.
The smaller sizes, which are mainly used for automotive gearboxes and are identified by a standard designation, incorporate a cage. The standard assortment of these bearings comprises
| – | basic design open bearings |
| – | shielded bearings |
| – | bearings with a snap ring groove. |
The large-size bearings which are designed for heavily loaded, slowly rotating applications are without cage.
| Stainless steel deep groove ball bearings |
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SKF stainless steel deep groove ball bearings are resistant to corrosion from moisture and several other media. These single row deep groove ball bearings have the same deep raceway grooves and close conformity between raceways and balls as standard deep groove ball bearings made of carbon chromium (rolling bearing) steel. They are without filling slots and can carry axial loads acting in both directions in addition to radial loads, even at high speeds.
SKF stainless steel deep groove ball bearings have the same running properties as conventional steel deep groove ball bearings, but have a lower load carrying capacity.
The bearings are available in open and sealed designs for shaft diameters from 1 to 50 mm.
SKF stainless steel bearings are identified by the designation prefix W, e.g. W 626-2Z.
| Double row deep groove ball bearings |
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SKF double row deep groove ball bearings correspond in design to single row deep groove ball bearings. They have deep uninterrupted raceways and high conformity between the balls and raceways. They are able to carry axial loads acting in both directions in addition to radial loads.
Double row deep groove ball bearings are very suitable for bearing arrangements where the load carrying capacity of a single row bearing is inadequate. For the same outside and bore diameters, double row bearings are slightly wider than single row bearings but have considerably higher load carrying capacity than single row bearings in the 62 and 63 series.
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From http://www.skf.com/portal/skf/home/products?newlink=1_1_0 |
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