NNU 4921-S-K-M-SP FAG
Product details from catalogue
NNU4921-S-K-M-SP FAG
Super precision cylindrical roller bearings NNU49..-S-K-M-SP, non-locating bearing, double row, with tapered bore, taper 1:12, separable, with cage
Replacements: NNU4921SK.M.SP
| d | Bore diameter | 105 mm |
| D | Outside diameter | 145 mm |
| B | Width | 40 mm |
| Cr | Basic dynamic load rating, radial | 130.000 N |
| C0r | Basic static load rating, radial | 260.000 N |
| Cur | Fatigue load limit, radial | 34.500 N |
| nG Grease | Limiting speed for grease lubrication | 5.500 1/min |
| nG Oil | Limiting speed for oil lubrication | 6.500 1/min |
| ≈m | Weight | 1,95 kg |
| da | diameter shaft shoulder | 117 mm |
| Da | diameter of housing shoulder | 134 mm |
| ra1 max | Maximum recess radius | 1 mm |
| r1 min | Minimum chamfer dimension | 1,1 mm |
| F | Raceway diameter inner ring | 118 mm |
| ns | Width of lubricating groove | 6,5 mm |
| ds | Diameter lubrication hole | 3,2 mm |
| s | Axial displacement | 2 mm |
| Tmin | Operating temperature min. | -30 °C |
| Tmax | Operating temperature max. | 150 °C |
| Cage | Brass Cage | M |
| Tolerance class | tolerance class SP | SP |
| Bore design | Tapered | K |
| Locating Feature , bearing outer ring | Lubrication holes and lubrication groove in outer ring | S |
| Radial internal clearance | Group 1 (C1) | C1 |
