1304 KOYO Calculation factor (Y0) 2.22 20x52x15mm Self aligning ball bearings
| Bearing number | 1304 |
| 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 | 0.163 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 | 0.176 |
| EAN | 0605790001567 |
| Product Group – BDI | B00152 |
| Mounting Method | Shaft |
| Enclosure | Open |
| Rolling Element | Ball Bearing |
| 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 |
| Long Description | 20MM Bore; Shaft 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 | 1304 |
| Weight / LBS | 0.35935 |
| Outer Race Width | 0.591 Inch | 15 Millimeter |
| Bore | 0.787 Inch | 20 Millimeter |
| Outside Diameter | 2.047 Inch | 52 Millimeter |
| Inner Race Width | 0.591 Inch | 15 Millimeter |
| Bearing No. | 1304 |
| r(min) | 1.1 |
| Cr | 12.4 |
| C0r | 3.35 |
| Cu | 0.21 |
| Grease lub. | 13000 |
| Oil lub. | 15000 |
| da(min) | 26.5 |
| Da(max) | 45.5 |
| ra(max) | 1 |
| e | 0.30 |
| Y1 | 2.12 |
| Y2 | 3.28 |
| Y0 | 2.22 |
| (Refer.)Mass(kg) | 0.163 |
Detailed Parameters
parameter：
| 23936MBKW33 Spherical roller bearings | Brand:AST ，Size :180x250x52mm ，Bore Diameter :180mm ，Outer Diameter :250mm ，Width :52mm |
| NK22/20-XL Needle roller bearings | Size :22x30x20mm ，Outer Diameter :30mm ，Width :20mm ，Brand:INA ，Bore Diameter :22mm |
| 6000-2RS Deep groove ball bearings | Brand:ISB ，Bore Diameter :10mm ，Width :8mm ，Outer Diameter :26mm ，Size :10x26x8mm |
| ZKLN3062-2Z Thrust ball bearings | Outer Diameter :62mm ，Size :30x62x28mm ，Width :28mm ，Bore Diameter :30mm ，Brand:INA |
| 3206 A-2Z Angular contact ball bearings | Brand:SKF ，Bore Diameter :62mm ，Outer Diameter :30mm ，Width :23.8mm ，Size :62x30x23.8mm |
| EGB2030-E40 Plain bearings | Brand:INA ，Size :20x23x30mm ，Width :30mm ，Bore Diameter :20mm ，Outer Diameter :23mm |
| UCT212E Bearing units | L2:19 mm ，L3:102 mm ，Brand:FYH ，d:60 mm ，Bore Diameter :60mm |
| X32316M/Y32316M Tapered roller bearings | Brand:Timken ，Bore Diameter :80mm ，Outer Diameter :170mm ，Size :80x170x61.5mm |
| B40-68C3 Deep groove ball bearings | Outer Diameter :90mm ，Bore Diameter :40mm ，Brand:NSK ，Width :23mm ，d:40 mm ，Size :40x90x23mm |
| K 22x29x16 Needle roller bearings | Bc:16 mm ，Ew:29 mm ，Fw:22 mm ，Bore Diameter :22mm ，Brand:NBS ，Outer Diameter :29mm |
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