Hybrid single row cylindrical roller bearings are designed to accommodate high radial loads in combination with high speeds. With rings made of bearing steel and rollers made of bearing grade silicon nitride, the bearings are electrically insulating. The ceramic rollers not only protect against electric current damage, but also extend bearing service life by offering enhanced bearing performance, even under difficult operating conditions. Having two integral flanges on the outer ring and no flanges on the inner ring, NU design bearings can accommodate axial displacement in both directions. The separable design facilitates mounting and enables the bearing components to be interchanged.
| d |
50 mm
|
Bore diameter |
|---|---|---|
| D |
110 mm
|
Outside diameter |
| B |
27 mm
|
Width |
| D1 |
≈ 92.1 mm
|
Shoulder diameter outer ring |
| F |
65 mm
|
Raceway diameter inner ring |
| s |
max. 1.9 mm
|
Permissible axial displacement from the normal position of one bearing ring relative to the other |
| r1,2 |
min. 2 mm
|
Chamfer dimension |
| r3,4 |
min. 2 mm
|
Chamfer dimension |
| da |
min. 61 mm
|
Abutment diameter shaft |
|---|---|---|
| da |
max. 63 mm
|
Abutment diameter shaft |
| db |
min. 67 mm
|
Abutment diameter shaft |
| Da |
max. 99 mm
|
Abutment diameter housing |
| ra |
max. 2 mm
|
Fillet radius |
| rb |
max. 2 mm
|
Fillet radius |
| Basic dynamic load rating | C |
110 kN
|
|---|---|---|
| Basic static load rating | C0 |
112 kN
|
| Fatigue load limit | Pu |
12.7 kN
|
| Reference speed |
6 000 r/min
|
|
| Limiting speed |
10 000 r/min
|
|
| Calculation factor | kr |
0.15
|
| Mass bearing |
0.93 kg
|
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