1304K KOYO 20x52x15mm Outer Race Width 0.591 Inch | 15 Millimeter Self aligning ball bearings
| Bearing number | 1304K |
| Size (mm) | 20x52x15 |
| Brand | KOYO |
| 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 | 0.161 Kg |
| Basic dynamic load rating (C) | 12.4 kN |
| Basic static load rating (C0) | 3.30 kN |
| (Grease) Lubrication Speed | 13000 r/min |
| (Oil) Lubrication Speed | 15000 r/min |
| Calculation factor (e) | 0.30 |
| Calculation factor (Y0) | 2.22 |
| Calculation factor (Y1) | 2.12 |
| Category | Self Aligning Ball Bearings |
| BDI Inventory | 0.0 |
| Manufacturer Name | KOYO |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0.174 |
| EAN | 0605790001598 |
| Product Group – BDI | B00152 |
| Mounting Method | Tapered Adapter |
| Enclosure | Open |
| Rolling Element | Ball Bearing |
| Adapter Sleeve | H-304X |
| Cage Material | Steel |
| Precision Class | ABEC 1 | ISO P0 |
| Internal Clearance | C0-Medium |
| Number of Rows of Balls | Double Row |
| Other Features | Allowable Misalignment 3 Deg | 1:12 Taper |
| Long Description | 20MM Bore; Tapered Adapter Mount; 52MM Outside Diameter; 15MM Inner Race Width; 15MM Outer Race Width; Open; Steel Cage; Double Row of Balls; ABEC 1 | ISO P0; C0-Medium |
| Inch – Metric | Metric |
| Category – BDI | Self Aligning Ball Bearings |
| UNSPSC | 31171532 |
| Harmonized Tariff Code | 8482.10.50.68 |
| Noun | Bearing |
| Keyword String | Self Aligning |
| Manufacturer URL | http://www.koyousa.com |
| Manufacturer Item Number | 1304K |
| Weight / LBS | 0.35494 |
| Bore | 0.787 Inch | 20 Millimeter |
| Outside Diameter | 2.047 Inch | 52 Millimeter |
| Inner Race Width | 0.591 Inch | 15 Millimeter |
| Outer Race Width | 0.591 Inch | 15 Millimeter |
Detailed Parameters
parameter：
| HM813846/HM813811 Tapered roller bearings | Outer Diameter :127.000mm ，Size :69.850x127x36.512mm ，Bore Diameter :69.850mm ，Brand:NACHI |
| F635 Deep groove ball bearings | Size :5x19x6mm ，Outer Diameter :19mm ，Bore Diameter :5mm ，Brand:ZEN |
| 71948 ACD/HCP4A Angular contact ball bearings | Width :38mm ，Brand:SKF ，Bore Diameter :320mm ，Outer Diameter :240mm ，Size :320x240x38mm |
| 23138-E1A-K-M + H3138 Spherical roller bearings | Bore Diameter :170mm ，Brand:FAG ，Outer Diameter :320mm ，Size :170x320x104mm |
| GEG 180 ET 2RS Plain bearings | Size :180x290x155mm ，Outer Diameter :290mm ，Bore Diameter :180mm ，Brand:ISB |
| 180BN19 Angular contact ball bearings | Size :180x250x33mm ，d:180 mm ，Brand:NSK ，Bore Diameter :180mm ，Outer Diameter :250mm ，Width :33mm |
| PCM 250255100 M Plain bearings | Size :250x255x100mm ，Outer Diameter :255mm ，Width :100mm ，Brand:SKF ，Bore Diameter :250mm |
| BK 3012 Needle roller bearings | Outer Diameter :37mm ，Bore Diameter :30mm ，Brand:NBS ，Size :30x37x12mm |
| 24028 K30 Spherical roller bearings | Size :140x210x69mm ，Brand:ISB ，Outer Diameter :210mm ，Bore Diameter :140mm |
| GF 100 DO Plain bearings | Brand:INA ，Bore Diameter :100mm ，Width :70mm ，Outer Diameter :150mm ，Size :100x150x70mm |
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