2904 NACHI 20x37x12mm Weight 0.055 Kg Thrust ball bearings
| Bearing number | 2904 |
| Size (mm) | 20x37x12 |
| Brand | NACHI |
| Bore Diameter (mm) | 20 |
| Outer Diameter (mm) | 37 |
| Width (mm) | 12 |
| d | 20 mm |
| D | 37 mm |
| T | 12 mm |
| d1 | 37 mm |
| r min. | 0.6 mm |
| D1 | 20.2 mm |
| da min. | 30 mm |
| Da max. | 27 mm |
| ra max. | 0.6 mm |
| Weight | 0.055 Kg |
| Basic dynamic load rating (C) | 14.8 kN |
| Basic static load rating (C0) | 26.6 kN |
| (Grease) Lubrication Speed | 4700 r/min |
Detailed Parameters
parameter：
| 24030C Spherical roller bearings | Bore Diameter :150mm ，d:150 mm ，Width :75mm ，Brand:NTN ，Outer Diameter :225mm ，Size :150x225x75mm |
| WA673SA Deep groove ball bearings | Bore Diameter :3mm ，Size :3x6x2.5mm ，Brand:NTN ，Outer Diameter :6mm ，d:3 mm ，Width :2.5mm |
| NUP 2224 ECP Thrust ball bearings | Brand:SKF ，Bore Diameter :215mm ，Width :58mm ，Outer Diameter :120mm ，d:120 mm ，Size :215x120x58mm |
| 567171 Tapered roller bearings | Outer Diameter :150mm ，Bore Diameter :65mm ，Brand:FAG ，Size :65x150x50mm ，Width :50mm |
| 31322 A Tapered roller bearings | d:110 mm ，Size :110x240x63mm ，Outer Diameter :240mm ，Brand:CX ，Bore Diameter :110mm ，Width :63mm |
| ARX43.5X58X5 Needle roller bearings | Width :5.000mm ，d:43.500 mm ，Outer Diameter :58.000mm ，Bore Diameter :43.500mm ，Brand:NTN ，Size :43.500x58x5mm |
| 6240-1ZX Deep groove ball bearings | Brand:KOYO ，Outer Diameter :360mm ，Bore Diameter :200mm ，Size :200x360x58mm |
| RF-1640ZZ Deep groove ball bearings | Width :5mm ，Bore Diameter :4mm ，Size :4x16x5mm ，Outer Diameter :16mm ，Brand:NMB ，d:4 mm |
| 74525/74850 Tapered roller bearings | Brand:FBJ ，Size :133.35x215.9x47.625mm ，Outer Diameter :215.9mm ，Bore Diameter :133.35mm ，d:133.35 mm ，Width :47.625mm |
| 25578/25523 Tapered roller bearings | Brand:NSK ，Bore Diameter :42.862mm ，Size :42.862x82.931x26.988mm ，Width :26.988mm ，Outer Diameter :82.931mm |
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