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NNU4948-S-M-SP FAG
Super precision cylindrical roller bearings NNU49..-S-M-SP, non-locating bearing, double row, separable, with cage
| d | Bore diameter | 240 mm |
| D | Outside diameter | 320 mm |
| B | Width | 80 mm |
| Cr | Basic dynamic load rating, radial | 530.000 N |
| C0r | Basic static load rating, radial | 1.210.000 N |
| Cur | Fatigue load limit, radial | 138.000 N |
| nG Grease | Limiting speed for grease lubrication | 2.400 1/min |
| nG Oil | Limiting speed for oil lubrication | 2.800 1/min |
| ≈m | Weight | 17,8 kg |
| da | diameter shaft shoulder | 263 mm |
| Da | diameter of housing shoulder | 299 mm |
| ra1 max | Maximum recess radius | 2,1 mm |
| r1 min | Minimum chamfer dimension | 2,1 mm |
| F | Raceway diameter inner ring | 265 mm |
| ns | Width of lubricating groove | 12,2 mm |
| ds | Diameter lubrication hole | 6,3 mm |
| s | Axial displacement | 4,3 mm |
| Tmin | Operating temperature min. | -30 °C |
| Tmax | Operating temperature max. | 150 °C |
| Cage | Brass Cage | M |
| Tolerance class | tolerance class SP | SP |
| Locating Feature , bearing outer ring | Lubrication holes and lubrication groove in outer ring | S |
| Radial internal clearance | Group 1 (C1) | C1 |