21318 NTN 90x190x43mm Calculation factor (Y1) 2.83 Spherical roller bearings
| Bearing number | 21318 |
| Size (mm) | 90x190x43 |
| Brand | NTN |
| Bore Diameter (mm) | 90 |
| Outer Diameter (mm) | 190 |
| Width (mm) | 43 |
| d | 90 mm |
| D | 190 mm |
| B | 43 mm |
| C | 43 mm |
| r min. | 3 mm |
| da min. | 104 mm |
| Da max. | 176 mm |
| ra max. | 2.5 mm |
| Weight | 6.3 Kg |
| Basic dynamic load rating (C) | 320 kN |
| Basic static load rating (C0) | 400 kN |
| (Grease) Lubrication Speed | 2 300 r/min |
| (Oil) Lubrication Speed | 3 000 r/min |
| Calculation factor (e) | 0.24 |
| Calculation factor (Y0) | 2.77 |
| Calculation factor (Y1) | 2.83 |
Detailed Parameters
parameter：
| 6028-2RS Deep groove ball bearings | Brand:ISB ，Width :33mm ，Outer Diameter :210mm ，Bore Diameter :140mm ，Size :140x210x33mm |
| KBK 25-PP Linear bearings | d:25 mm ，D:40 mm ，Outer Diameter :40mm ，Brand:NBS ，Bore Diameter :25mm |
| ES204-12 Deep groove ball bearings | Size :19.05x47x30.9mm ，Width :30.9mm ，Bore Diameter :19.05mm ，Outer Diameter :47mm ，Brand:SNR |
| RUS2206E Cylindrical roller bearings | Size :37.500x62x20mm ，Width :20.000mm ，Brand:NTN ，Outer Diameter :62.000mm ，Bore Diameter :37.500mm ，d:37.500 mm |
| CRI-2554 Tapered roller bearings | Size :125x230x116mm ，Bore Diameter :125mm ，Brand:NTN ，Outer Diameter :230mm |
| T.P.N. 350 Plain bearings | d:50 mm ，Brand:ISB ，Bore Diameter :50mm ，Outer Diameter :75mm |
| 673SSA Deep groove ball bearings | Bore Diameter :3mm ，Size :3x6x2.5mm ，Outer Diameter :6mm ，Brand:NTN |
| NF2996 Cylindrical roller bearings | Outer Diameter :650mm ，Brand:CX ，Size :480x650x100mm ，Width :100mm ，Bore Diameter :480mm |
| RNA69/28 Needle roller bearings | Width :30mm ，Bore Diameter :32mm ，Brand:CX ，Size :32x45x30mm ，Outer Diameter :45mm |
| NU 2220 ECP Thrust ball bearings | Outer Diameter :100mm ，Bore Diameter :180mm ，Brand:SKF ，Size :180x100x46mm |
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