Hybrid single row deep groove ball bearings with seals on both sides have rings made of bearing steel and rolling elements made of bearing grade silicon nitride (Si3N4), which make the bearings electrically insulating. The integral sealing can significantly prolong bearing service life because it keeps lubricant in the bearings and contaminants out. The silicon nitride elements not only provide protection from electric current damage but also, when compared to same-sized bearings with steel rolling elements, provide enhanced bearing performance, extended bearing service life, higher speed capability, high wear-resistance, high bearing stiffness, reduced risk of smearing and false brinelling, and less sensitivity to temperature gradients, making them suitable for use in dificult conditions and contaminated environments.
| d |
35 mm
|
Bore diameter |
|---|---|---|
| D |
62 mm
|
Outside diameter |
| B |
14 mm
|
Width |
| d1 |
≈ 43.75 mm
|
Shoulder diameter inner ring |
| D2 |
≈ 55.6 mm
|
Recess diameter outer ring shoulder |
| r1,2 |
min. 1 mm
|
Chamfer dimension |
| da |
min. 39.6 mm
|
Abutment diameter shaft |
|---|---|---|
| da |
max. 43.7 mm
|
Abutment diameter shaft |
| Da |
max. 57.4 mm
|
Abutment diameter housing |
| ra |
max. 0.3 mm
|
Fillet radius |
| Basic dynamic load rating | C |
15.9 kN
|
|---|---|---|
| Basic static load rating | C0 |
10.2 kN
|
| Fatigue load limit | Pu |
0.32 kN
|
| Reference speed |
26 000 r/min
|
|
| Limiting speed |
14 000 r/min
|
|
| Calculation factor | kr |
0.025
|
| Calculation factor | f0 |
14.8
|
| Mass bearing |
0.15 kg
|
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