Single row cylindrical roller bearings are designed to accommodate high radial loads in combination with high speeds. Having two integral flanges on the outer ring and one on the inner ring, NJ design bearings can accommodate axial displacement in one direction. An important feature is the separable design, which facilitates mounting and enables the bearing components to be interchanged.
| d |
710 mm
|
Bore diameter |
|---|---|---|
| D |
870 mm
|
Outside diameter |
| B |
95 mm
|
Width |
| d1 |
≈ 766 mm
|
Shoulder diameter of inner ring |
| D1 |
≈ 817 mm
|
Shoulder diameter of outer ring |
| F |
751 mm
|
Raceway diameter of inner ring |
| r1,2 |
min. 4 mm
|
Chamfer dimension |
| s |
max. 1.5 mm
|
Permissible axial displacement |
| da |
min. 728 mm
|
Diameter of spacer sleeve |
|---|---|---|
| da |
max. 745 mm
|
Diameter of spacer sleeve |
| db |
min. 771 mm
|
Diameter of shaft abutment |
| Da |
max. 853 mm
|
Diameter of housing abutment |
| ra |
max. 3 mm
|
Radius of fillet |
| ra |
max. 3 mm
|
Radius of fillet |
| Basic dynamic load rating | C |
1 940 kN
|
|---|---|---|
| Basic static load rating | C0 |
5 000 kN
|
| Fatigue load limit | Pu |
375 kN
|
| Reference speed |
630 r/min
|
|
| Limiting speed |
850 r/min
|
|
| Minimum load factor | kr |
0.15
|
| Limiting value | e |
0.3
|
| Calculation factor | Y |
0.4
|
| Mass |
130 kg
|
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