Single row deep groove ball bearings with seals or shields are particularly versatile, have low friction and are optimized for low noise and low vibration, which enables high rotational speeds. They accommodate radial and axial loads in both directions, are easy to mount, and require less maintenance than many other bearing types. The integral sealing can significantly prolong bearing service life because it keeps lubricant in the bearings and contaminants out.
| SKF performance class |
SKF Explorer
|
| d |
40 mm
|
Bore diameter |
|---|---|---|
| D |
80 mm
|
Outside diameter |
| B |
18 mm
|
Width |
| d1 |
≈ 52.6 mm
|
Shoulder diameter |
| D2 |
≈ 69.8 mm
|
Recess diameter |
| r1,2 |
min. 1.1 mm
|
Chamfer dimension |
| da |
min. 47 mm
|
Diameter of shaft abutment |
|---|---|---|
| da |
max. 52.5 mm
|
Diameter of shaft abutment |
| Da |
max. 73 mm
|
Diameter of housing abutment |
| ra |
max. 1 mm
|
Radius of shaft or housing fillet |
| Basic dynamic load rating | C |
32.5 kN
|
|---|---|---|
| Basic static load rating | C0 |
19 kN
|
| Fatigue load limit | Pu |
0.8 kN
|
| Reference speed |
18 000 r/min
|
|
| Limiting speed |
9 000 r/min
|
|
| Minimum load factor | kr |
0.025
|
| Calculation factor | f0 |
13.8
|
| Mass bearing |
0.38 kg
|
| Dimensional tolerances |
P6
|
| Radial run-out |
P6
|
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