1304SK NTN 20x52x15mm (Oil) Lubrication Speed 15 000 r/min Self aligning ball bearings
| Bearing number | 1304SK |
| Size (mm) | 20x52x15 |
| Brand | NTN |
| Bore Diameter (mm) | 20 |
| Outer Diameter (mm) | 52 |
| Width (mm) | 15 |
| d | 20 mm |
| D | 52 mm |
| B | 15 mm |
| C | 15 mm |
| r min. | 1.1 mm |
| da min. | 26.5 mm |
| Da max. | 45.5 mm |
| ra max. | 1 mm |
| Weight | 0.15 Kg |
| Basic dynamic load rating (C) | 12.6 kN |
| Basic static load rating (C0) | 3.35 kN |
| (Grease) Lubrication Speed | 12 000 r/min |
| (Oil) Lubrication Speed | 15 000 r/min |
| Calculation factor (e) | 0.29 |
| Calculation factor (Y0) | 2.3 |
| Calculation factor (Y1) | 2.2 |
Detailed Parameters
parameter：
| 320/22 AX Tapered roller bearings | d:22 mm ，Width :15mm ，Brand:CX ，Bore Diameter :22mm ，Size :22x44x15mm ，Outer Diameter :44mm |
| 231/850 CA/W33 Spherical roller bearings | Outer Diameter :850mm ，Size :1360x850x400mm ，d:850 mm ，Bore Diameter :1360mm ，Brand:SKF ，Width :400mm |
| 462/453X Tapered roller bearings | Brand:KOYO ，Bore Diameter :57.15mm ，Outer Diameter :104.775mm ，Size :57.15x104.775x30.162mm |
| Y-124 Needle roller bearings | Width :6.35mm ，Size :19.05x25.4x6.35mm ，Outer Diameter :25.4mm ，Bore Diameter :19.05mm ，Brand:NSK |
| NU2204 E Cylindrical roller bearings | Width :18mm ，Brand:CX ，Outer Diameter :47mm ，Bore Diameter :20mm ，Size :20x47x18mm |
| K.81107TVP Thrust roller bearings | Bore Diameter :35mm ，Width :5mm ，Outer Diameter :52mm ，Size :35x52x5mm ，Brand:Timken |
| NJ 2009 ECP Cylindrical roller bearings | Outer Diameter :45mm ，Size :75x45x19mm ，Brand:SKF ，Width :19mm ，d:45 mm ，Bore Diameter :75mm |
| UCFL206-18 Bearing units | Brand:FYH ，A0:40.2 mm ，d:28.575 mm ，A:31 mm ，A1:13 mm ，Bore Diameter :28.575mm |
| HR15E Plain bearings | Bore Diameter :15mm ，Width :15mm ，Db:26.19 mm ，Brand:NMB ，O:19 mm ，d:15 mm |
| FYTWK 1.3/16 YTH Bearing units | Bore Diameter :30.162mm ，Outer Diameter :33mm ，Brand:SKF ，Width :15mm ，Size :30.162x33x15mm |
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