Single row deep groove ball bearings with a snap ring groove 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. An annular groove in the outer ring enables the bearings to retain a snap ring.
| SKF performance class |
SKF Explorer
|
| d |
20 mm
|
Bore diameter |
|---|---|---|
| D |
52 mm
|
Outside diameter |
| B |
15 mm
|
Width |
| d1 |
≈ 30.35 mm
|
Shoulder diameter |
| D2 |
≈ 44.71 mm
|
Recess diameter |
| D3 |
49.73 mm
|
Diameter of snap ring groove |
| b |
1.35 mm
|
Width of snap ring groove |
| C |
2.46 mm
|
Distance outer ring from side face to snap ring groove |
| r0 |
max. 0.4 mm
|
Bottom radius of snap ring groove |
| r1,2 |
min. 1.1 mm
|
Chamfer dimension |
| da |
min. 27 mm
|
Diameter of shaft abutment |
|---|---|---|
| Da |
max. 45 mm
|
Diameter of housing abutment |
| Db |
min. 59 mm
|
Diameter of snap ring recess in the housing |
| ba |
min. 1.5 mm
|
Width of snap ring recess in the housing |
| Ca |
max. 3.58 mm
|
Distance from outer ring side face to snap ring back face |
| ra |
max. 1 mm
|
Radius of shaft or housing fillet |
| Basic dynamic load rating | C |
16.8 kN
|
|---|---|---|
| Basic static load rating | C0 |
7.8 kN
|
| Fatigue load limit | Pu |
0.335 kN
|
| Reference speed |
30 000 r/min
|
|
| Limiting speed |
19 000 r/min
|
|
| Minimum load factor | kr |
0.03
|
| Calculation factor | f0 |
12
|
| Mass bearing |
0.14 kg
|
| Dimensional tolerances |
P6
|
| Radial run-out |
P5
|
Bearing data
Bearing interfaces
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