1220 SKF Mass bearing 3.7 kg 100x180x34mm Self aligning ball bearings
| Bearing number | 1220 |
| Size (mm) | 100x180x34 |
| Brand | SKF |
| Bore Diameter (mm) | 100 |
| Outer Diameter (mm) | 180 |
| Width (mm) | 34 |
| d | 100 mm |
| D | 180 mm |
| B | 34 mm |
| C | 34 mm |
| d2 | 127 mm |
| r1 min. | 2.1 mm |
| r2 min. | 2.1 mm |
| D1 | 159 mm |
| da min. | 112 mm |
| Da max. | 168 mm |
| ra max. | 2 mm |
| Weight | 3.7 Kg |
| Basic dynamic load rating (C) | 68.9 kN |
| Basic static load rating (C0) | 30 kN |
| Fatigue load limit (Pu) | 1.29 |
| Reference speed | 7500 r/min |
| Limiting speed | 4800 r/min |
| Calculation factor (e) | 0.17 |
| Calculation factor (kr) | 0.04 |
| Calculation factor (Y0) | 4 |
| Calculation factor (Y1) | 3.7 |
| Category | Self Aligning Ball Bearings |
| BDI Inventory | 0.0 |
| Manufacturer Name | SKF |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 3.814 |
| EAN | 7316576605475 |
| 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 | 100MM Bore; Shaft Mount; 180MM Outside Diameter; 34MM Inner Race Width; 34MM 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.skf.com |
| Manufacturer Item Number | 1220 |
| Weight / LBS | 8.4 |
| Bore | 3.937 Inch | 100 Millimeter |
| Inner Race Width | 1.339 Inch | 34 Millimeter |
| Outer Race Width | 1.339 Inch | 34 Millimeter |
| Outside Diameter | 7.087 Inch | 180 Millimeter |
| bore diameter: | 100 mm |
| precision rating: | Not Rated |
| outside diameter: | 180 mm |
| maximum rpm: | 4800 RPM |
| overall width: | 34 mm |
| cage material: | Steel |
| bore type: | Straight |
| finish/coating: | Uncoated |
| closure type: | Open |
| outer ring width: | 34 mm |
| internal clearance: | C0 |
| fillet radius: | 2 mm |
| dynamic load capacity: | 68.9 kN |
| series: | 1200 |
| static load capacity: | 30 kN |
| d1 ≈ | 127 mm |
| D1 ≈ | 155.8 mm |
| r1,2 min. | 2.1 mm |
| da min. | 112 mm |
| Da max. | 168 mm |
| ra max. | 2 mm |
| Basic dynamic load rating C | 68.9 kN |
| Basic static load rating C0 | 30 kN |
| Fatigue load limit Pu | 1.29 kN |
| Permissible angular misalignment α | 2.5 ° |
| Calculation factor kr | 0.04 |
| Calculation factor e | 0.17 |
| Calculation factor Y0 | 4 |
| Calculation factor Y1 | 3.7 |
| Calculation factor Y2 | 5.7 |
| Mass bearing | 3.7 kg |
Detailed Parameters
parameter：
| J-2012 Needle roller bearings | Width :19.05mm ，Brand:KOYO ，Fw:31.750 mm ，Outer Diameter :38.100mm ，Size :31.750x38.100x19.05mm ，Bore Diameter :31.750mm |
| 33215 Tapered roller bearings | Width :41mm ，Size :75x130x41mm ，Brand:NKE ，Bore Diameter :75mm ，Outer Diameter :130mm |
| MF117 Deep groove ball bearings | Size :7x11x2.5mm ，Bore Diameter :7mm ，Outer Diameter :11mm ，Brand:ISO |
| 75BTR10S Angular contact ball bearings | Bore Diameter :75mm ，Width :18mm ，d:75 mm ，Brand:NSK ，Outer Diameter :115mm ，Size :75x115x18mm |
| NN3011K Cylindrical roller bearings | Brand:NACHI ，Bore Diameter :55mm ，Outer Diameter :81mm ，Size :55x81x26mm ，Width :26mm |
| FWF-556020 Needle roller bearings | Bc:20 mm ，Outer Diameter :60mm ，Bore Diameter :55mm ，Fw:55 mm ，Ew:60 mm ，Brand:NSK |
| AJ-601-724-1 Needle roller bearings | Size :47x57x20mm ，Outer Diameter :57mm ，Bore Diameter :47mm ，Brand:TORRINGTON |
| VKBA 654 Wheel bearings | Category:Bearings ，Designation FAG:713630210 ，Designation SNR:R155.22 ，Brand:SKF ，Designation Ruville:5522 ，Designation SX:CX148 |
| NU328EG15 Cylindrical roller bearings | Outer Diameter :300.000mm ，Bore Diameter :140.000mm ，Brand:SNR ，Size :140x300x62mm |
| 6804 Deep groove ball bearings | Size :20x32x7mm ，Brand:KOYO ，Outer Diameter :32mm ，Bore Diameter :20mm |
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