1311K KOYO Inch – Metric Metric 55x120x29mm Self aligning ball bearings
| Bearing number | 1311K |
| Size (mm) | 55x120x29 |
| Brand | KOYO |
| Bore Diameter (mm) | 55 |
| Outer Diameter (mm) | 120 |
| Width (mm) | 29 |
| d | 55 mm |
| D | 120 mm |
| B | 29 mm |
| C | 29 mm |
| r min. | 2 mm |
| da min. | 64 mm |
| Da max. | 111 mm |
| ra max. | 2 mm |
| Weight | 1.56 Kg |
| Basic dynamic load rating (C) | 51.3 kN |
| Basic static load rating (C0) | 17.9 kN |
| (Grease) Lubrication Speed | 5000 r/min |
| (Oil) Lubrication Speed | 6200 r/min |
| Calculation factor (e) | 0.23 |
| Calculation factor (Y0) | 2.83 |
| Calculation factor (Y1) | 2.70 |
| Category | Self Aligning Ball Bearings |
| BDI Inventory | 0.0 |
| Manufacturer Name | KOYO |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 1.686 |
| EAN | 0605790001833 |
| Product Group – BDI | B00152 |
| Mounting Method | Tapered Adapter |
| Enclosure | Open |
| Rolling Element | Ball Bearing |
| Adapter Sleeve | H-311X |
| 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 | 55MM Bore; Tapered Adapter Mount; 120MM Outside Diameter; 29MM Inner Race Width; 29MM 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 | 1311K |
| Weight / LBS | 3.43921 |
| Outer Race Width | 1.142 Inch | 29 Millimeter |
| Outside Diameter | 4.724 Inch | 120 Millimeter |
| Inner Race Width | 1.142 Inch | 29 Millimeter |
| Bore | 2.165 Inch | 55 Millimeter |
Detailed Parameters
parameter：
| 23024RH Spherical roller bearings | Brand:KOYO ，Bore Diameter :120mm ，Outer Diameter :180mm ，Size :120x180x46mm |
| 24020 CCK30/W33 Tapered roller bearings | Outer Diameter :100mm ，Size :150x100x50mm ，Brand:SKF ，Bore Diameter :150mm |
| 6003T1XZZ Deep groove ball bearings | Width :10mm ，Brand:NSK ，Size :17x35x10mm ，Outer Diameter :35mm ，Bore Diameter :17mm ，d:17 mm |
| 22340MAC4F80W33 Spherical roller bearings | Width :138mm ，Brand:AST ，Bore Diameter :200mm ，Bearing Type:straight bore. lube groove and holes ，Outer Diameter :420mm ，Size :200x420x138mm |
| 6304-2Z/VA201 Deep groove ball bearings | Outer Diameter :52mm ，Size :20x52x15mm ，Width :15mm ，d:20 mm ，Bore Diameter :20mm ，Brand:SKF |
| HM518445/HM518410 Tapered roller bearings | Bore Diameter :88.9mm ，d:88.9 mm ，Outer Diameter :152.4mm ，Brand:Timken ，Size :88.9x152.4x39.688mm ，Width :39.688mm |
| N1011RSTP Cylindrical roller bearings | Size :55x81x18mm ，Outer Diameter :81mm ，Bore Diameter :55mm ，Brand:NSK ，Width :18mm |
| 24028 Spherical roller bearings | Width :69mm ，Brand:ISB ，Size :140x210x69mm ，Outer Diameter :210mm ，Bore Diameter :140mm |
| C3168KM Cylindrical roller bearings | Outer Diameter :580mm ，Size :340x580x190mm ，Brand:SKF ，Bore Diameter :340mm |
| NN3009 Cylindrical roller bearings | Size :45x67.5x23mm ，Outer Diameter :67.5mm ，Bore Diameter :45mm ，Brand:NACHI |
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