INSOCOAT single row deep groove ball bearings feature an electrically insulating coating on the outside surfaces of either the inner or outer bearing ring. This keeps stray electric currents from passing through the bearings, protecting them against electrical erosion damage and helping prevent lubricant degradation resulting from electric current discharge. As with deep groove ball bearings generally, they 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.
| d |
140 mm
|
Bore diameter |
|---|---|---|
| D |
300 mm
|
Outside diameter |
| B |
62 mm
|
Width |
| d1 |
≈ 190.6 mm
|
Shoulder diameter inner ring |
| D1 |
≈ 248.7 mm
|
Shoulder diameter outer ring |
| r1,2 |
min. 4 mm
|
Chamfer dimension |
| da |
min. 157 mm
|
Abutment diameter shaft |
|---|---|---|
| da |
max. 185 mm
|
Abutment diameter shaft |
| Da |
max. 283 mm
|
Abutment diameter housing |
| ra |
max. 3 mm
|
Fillet radius |
| Basic dynamic load rating | C |
265 kN
|
|---|---|---|
| Basic static load rating | C0 |
245 kN
|
| Fatigue load limit | Pu |
7.1 kN
|
| Reference speed |
4 800 r/min
|
|
| Limiting speed |
4 300 r/min
|
|
| Calculation factor | kr |
0.03
|
| Calculation factor | f0 |
13.6
|
| Mass bearing |
21.6 kg
|
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