1304 NACHI 20x52x15mm 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 Self aligning ball bearings
| Bearing number | 1304 |
| Size (mm) | 20x52x15 |
| Brand | NACHI |
| Bore Diameter (mm) | 20 |
| Outer Diameter (mm) | 52 |
| Width (mm) | 15 |
| d | 20 mm |
| D | 52 mm |
| B | 15 mm |
| C | 15 mm |
| r1 min. | 1.1 mm |
| da min. | 26.5 mm |
| Da max. | 45.5 mm |
| ra max. | 1.0 mm |
| Weight | 0.163 Kg |
| Basic dynamic load rating (C) | 12.4 kN |
| Basic static load rating (C0) | 3.3 kN |
| (Grease) Lubrication Speed | 12000 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 | NACHI |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0 |
| 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.nachi.com |
| Weight / LBS | 0.35935 |
| Outer Race Width | 0.591 Inch | 15 Millimeter |
| Inner Race Width | 0.591 Inch | 15 Millimeter |
| Outside Diameter | 2.047 Inch | 52 Millimeter |
| Bore | 0.787 Inch | 20 Millimeter |
Detailed Parameters
parameter：
| 4T-397/394A Tapered roller bearings | Y0:0.82 ，e:0.4 ，Y2:1.49 ，Dynamic load, C:89.5 kN ，d1:87 mm ，Mass:0.91 kg |
| KMJ30X37X20 Needle roller bearings | Brand:NTN ，Fw:30.000 mm ，Outer Diameter :37.000mm ，Bore Diameter :30.000mm |
| KH207AE Deep groove ball bearings | Brand:NACHI ，Width :25.4mm ，Bore Diameter :35mm ，d:35 mm ，Size :35x72x25.4mm ，Outer Diameter :72mm |
| 6318ZZNR Deep groove ball bearings | Bore Diameter :90.000mm ，Size :90x190x43mm ，Brand:NTN ，Outer Diameter :190.000mm |
| 108 Self aligning ball bearings | Size :8x22x7mm ，Brand:KOYO ，Outer Diameter :22mm ，Bore Diameter :8mm ，Width :7mm ，d:8 mm |
| GE40KPPB3 Deep groove ball bearings | Brand:Timken ，d:40 mm ，Width :42.86mm ，Size :40x80x42.86mm ，Bore Diameter :40mm ，Outer Diameter :80mm |
| 625-2Z Deep groove ball bearings | Bore Diameter :5mm ，Width :5mm ，Outer Diameter :16mm ，Size :5x16x5mm ，Brand:FAG |
| 61826-2RS Deep groove ball bearings | Size :130x165x18mm ，Brand:ISB ，Width :18mm ，Outer Diameter :165mm ，Bore Diameter :130mm |
| 7301 A Angular contact ball bearings | Bore Diameter :12mm ，Size :12x37x12mm ，d:12 mm ，Outer Diameter :37mm ，Brand:ISO ，Width :12mm |
| 7248 Angular contact ball bearings | Width :72.000mm ，Size :240x440x72mm ，Brand:NTN ，d:240.000 mm ，Bore Diameter :240.000mm ，Outer Diameter :440.000mm |
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