Single row deep groove ball bearing, with snap ring groove and seals or shields on one or both sides, 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 other bearing types. The snap ring, fitted in an annular groove in the outer ring, facilitates axial location of the bearings within their housings. 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 |
12 mm
|
Bore diameter |
|---|---|---|
| D |
32 mm
|
Outside diameter |
| B |
10 mm
|
Width |
| d1 |
≈ 18.45 mm
|
Shoulder diameter |
| D2 |
≈ 27.34 mm
|
Recess diameter |
| D3 |
30.15 mm
|
Diameter of snap ring groove |
| D4 |
36.7 mm
|
Outside diameter of snap ring |
| b |
1.35 mm
|
Width of snap ring groove |
| C |
2.06 mm
|
Distance outer ring from side face to snap ring groove |
| f |
1.12 mm
|
Width of snap ring |
| r0 |
max. 0.4 mm
|
Bottom radius of snap ring groove |
| r1,2 |
min. 0.6 mm
|
Chamfer dimension |
| da |
min. 16.2 mm
|
Diameter of shaft abutment |
|---|---|---|
| da |
max. 18.4 mm
|
Diameter of shaft abutment |
| Da |
max. 27.8 mm
|
Diameter of housing abutment |
| Db |
min. 38 mm
|
Diameter of snap ring recess in the housing |
| ba |
min. 1.5 mm
|
Width of snap ring recess in the housing |
| Ca |
max. 3.18 mm
|
Distance from outer ring side face to snap ring back face |
| ra |
max. 0.6 mm
|
Radius of shaft or housing fillet |
| Basic dynamic load rating | C |
7.28 kN
|
|---|---|---|
| Basic static load rating | C0 |
3.1 kN
|
| Fatigue load limit | Pu |
0.132 kN
|
| Reference speed |
50 000 r/min
|
|
| Limiting speed |
26 000 r/min
|
|
| Minimum load factor | kr |
0.025
|
| Calculation factor | f0 |
12
|
| Mass bearing |
0.037 kg
|
| Snap ring |
SP 32
|
| Dimensional tolerances |
P6
|
| Radial run-out |
P5
|
Bearing data
Bearing interfaces
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