Double row deep groove ball bearings correspond, in their design and operation, to a pair of single row deep groove ball bearings. They are robust in operation, requiring little maintenance, can operate at high speeds and accommodate radial and axial loads in both directions. They are slightly wider than single row bearings of the same bore and outside diameter but have a considerably higher load carrying capacity.
| d |
17 mm
|
Bore diameter |
|---|---|---|
| D |
40 mm
|
Outside diameter |
| B |
16 mm
|
Width |
| d1 |
≈ 24.3 mm
|
Shoulder diameter |
| D1 |
≈ 32.7 mm
|
Shoulder diameter |
| r1,2 |
min. 0.6 mm
|
Chamfer dimension |
| da |
min. 21.2 mm
|
Diameter of shaft abutment |
|---|---|---|
| Da |
max. 35.8 mm
|
Diameter of housing abutment |
| ra |
max. 0.6 mm
|
Radius of shaft or housing fillet |
| Basic dynamic load rating | C |
14.8 kN
|
|---|---|---|
| Basic static load rating | C0 |
9.5 kN
|
| Fatigue load limit | Pu |
0.405 kN
|
| Reference speed |
28 000 r/min
|
|
| Limiting speed |
15 000 r/min
|
|
| Minimum load factor | kr |
0.05
|
| Calculation factor | f0 |
13.1
|
| Mass bearing |
0.09 kg
|
| Dimensional tolerances |
Normal
|
| Radial run-out |
Normal
|
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