1204 KOYO Cr 9.90 20x47x14mm Self aligning ball bearings
| Bearing number | 1204 |
| Size (mm) | 20x47x14 |
| Brand | KOYO |
| Bore Diameter (mm) | 20 |
| Outer Diameter (mm) | 47 |
| Width (mm) | 14 |
| d | 20 mm |
| D | 47 mm |
| B | 14 mm |
| C | 14 mm |
| r min. | 1 mm |
| da min. | 25 mm |
| Da max. | 42 mm |
| ra max. | 1 mm |
| Weight | 0.120 Kg |
| Basic dynamic load rating (C) | 9.90 kN |
| Basic static load rating (C0) | 2.60 kN |
| (Grease) Lubrication Speed | 14000 r/min |
| (Oil) Lubrication Speed | 17000 r/min |
| Calculation factor (e) | 0.29 |
| Calculation factor (Y0) | 2.27 |
| Calculation factor (Y1) | 2.16 |
| Internal Clearance | C0-Medium |
| Category | Self Aligning Ball Bearings |
| BDI Inventory | 0.0 |
| Manufacturer Name | KOYO |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0.13 |
| EAN | 0605790000867 |
| Product Group – BDI | B00152 |
| Mounting Method | Shaft |
| Enclosure | Open |
| Rolling Element | Ball Bearing |
| Cage Material | Steel |
| Precision Class | ABEC 1 | ISO P0 |
| Number of Rows of Balls | Double Row |
| Other Features | Allowable Misalignment 2.5 Deg |
| Long Description | 20MM Bore; Shaft Mount; 47MM Outside Diameter; 14MM Inner Race Width; 14MM 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 | 1204 |
| Weight / LBS | 0.26455 |
| Bore | 0.787 Inch | 20 Millimeter |
| Inner Race Width | 0.551 Inch | 14 Millimeter |
| Outside Diameter | 1.85 Inch | 47 Millimeter |
| Outer Race Width | 0.551 Inch | 14 Millimeter |
| Bearing No. | 1204 |
| r(min) | 1 |
| Cr | 9.90 |
| C0r | 2.65 |
| Cu | 0.16 |
| Grease lub. | 14000 |
| Oil lub. | 17000 |
| da(min) | 25 |
| Da(max) | 42 |
| ra(max) | 1 |
| e | 0.29 |
| Y1 | 2.16 |
| Y2 | 3.35 |
| Y0 | 2.27 |
| (Refer.)Mass(kg) | 0.120 |
Detailed Parameters
parameter：
| 4T-36990/36920 Tapered roller bearings | a:42.96 mm ，d1:205 mm ，e:0.44 ，Y2:1.36 ，Mass:2.92 kg ，Y0:0.75 |
| S7026 ACD/HCP4A Angular contact ball bearings | Bore Diameter :200mm ，Brand:SKF ，Outer Diameter :130mm ，Size :200x130x33mm |
| 53215 Thrust ball bearings | Size :75x110x28.3mm ，Brand:FAG ，Outer Diameter :110mm ，Bore Diameter :75mm |
| TGB35208 Angular contact ball bearings | Brand:SNR ，Size :34x146x73mm ，Width :73mm ，Outer Diameter :146mm ，Bore Diameter :34mm |
| 32032-X-N11CA Tapered roller bearings | Outer Diameter :240mm ，d:160 mm ，Brand:FAG ，Width :102mm ，Size :160x240x102mm ，Bore Diameter :160mm |
| 6217EE Deep groove ball bearings | Width :28.000mm ，Size :85x150x28mm ，Outer Diameter :150.000mm ，Brand:SNR ，Bore Diameter :85.000mm |
| AU0712 Angular contact ball bearings | Width :24mm ，Outer Diameter :58mm ，Brand:NTN ，Bore Diameter :34mm ，Size :34x58x24mm |
| NAO-55×85×30 Needle roller bearings | Bore Diameter :55mm ，d:55 mm ，Brand:NTN ，Outer Diameter :73mm |
| QJF208 Angular contact ball bearings | Outer Diameter :80mm ，Bore Diameter :40mm ，Size :40x80x18mm ，Brand:CYSD |
| 6305/65 Deep groove ball bearings | Dynamic load, C:21.2 kN ，Static load, C0:10.9 kN ，rs min:1.1 mm ，Fatigue limit load, Cu:0.5 kN ，Mass:0.23 kg ，Radial clearance class:CN |
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