Double row full complement cylindrical roller bearings incorporate a maximum number of rollers and are therefore suitable for very heavy radial loads in combination with moderate speeds. Having three flanges on the inner ring and one flange on the outer ring, NNCF design bearings can accommodate limited axial displacement in one direction. A retaining ring in the outer ring holds the bearing together. The retaining ring should not be loaded axially during operation.
| d | 150 mm | Bore diameter |
|---|---|---|
| D | 225 mm | Outside diameter |
| B | 100 mm | Width |
| d1 | ≈ 170.5 mm | Shoulder diameter inner ring |
| D1 | ≈ 197.5 mm | Shoulder diameter outer ring |
| b1 | 7 mm | Width annular lubrication groove outer ring |
| K | 4 mm | Diameter lubrication hole (outer ring) |
| s | max. 6 mm | Permissible axial displacement from the normal position of one bearing ring relative to the other |
| r1,2 | min. 2 mm | Chamfer dimension (open bearings) |
| r3,4 | min. 1.1 mm | Chamfer dimension |
Parameter r3.4 has either the value specified here or the same value as r1.2. |
| da | min. 160 mm | Abutment diameter shaft |
|---|---|---|
| das | 166 mm | Abutment diameter shaft |
| Da | max. 217 mm | Abutment diameter housing |
| ra | max. 2 mm | Fillet radius |
| rb | max. 1 mm | Fillet radius |
| Basic dynamic load rating | C | 842 kN |
|---|---|---|
| Basic static load rating | C0 | 1 430 kN |
| Fatigue load limit | Pu | 160 kN |
| Reference speed | 1 300 r/min | |
| Limiting speed | 1 700 r/min | |
| Minimum load factor | kr | 0.5 |
General bearing specifications
Bearing interfaces
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