12SF20 NSK 31.75×50.8×27.76mm U 45.59 mm Plain bearings
| Bearing number | 12SF20 |
| Size (mm) | 31.75×50.8×27.76 |
| Brand | NSK |
| Bore Diameter (mm) | 31.75 |
| Outer Diameter (mm) | 50.8 |
| Width (mm) | 27.76 |
| d | 31.75 mm |
| D | 50.8 mm |
| B | 27.76 mm |
| C | 23.8 mm |
| U | 45.59 mm |
| d1 | 35.7 mm |
| rb max. | 0.8 mm |
| Angle | 6.5 ° |
| Weight | 0.235 Kg |
| Basic dynamic load rating (C) | 74.5 kN |
Detailed Parameters
parameter：
| SEA130 7CE1 Angular contact ball bearings | Brand:SNFA ，d:130 mm ，Width :18mm ，Bore Diameter :130mm ，Size :130x165x18mm ，Outer Diameter :165mm |
| 61817 Deep groove ball bearings | Brand:CRAFT ，Bore Diameter :85mm ，Outer Diameter :110mm ，Size :85x110x13mm |
| E30310J Tapered roller bearings | BDI Inventory:2.0 ，Minimum Buy Quantity:N/A ，Manufacturer Name:NACHI ，Weight / Kilogram:0 ，Category:Roller Bearings |
| NF318 Cylindrical roller bearings | Brand:NTN ，d:90 mm ，Outer Diameter :165mm ，Size :90x165x43mm ，Width :43mm ，Bore Diameter :90mm |
| AC-6304LLB Deep groove ball bearings | Brand:NTN ，Outer Diameter :52mm ，Width :15mm ，Bore Diameter :20mm ，Size :20x52x15mm ，d:20 mm |
| NK16/16 Needle roller bearings | Brand:JNS ，Size :16x24x16mm ，Bore Diameter :16mm ，Outer Diameter :24mm |
| 22313BK Spherical roller bearings | Brand:NTN ，Size :65x140x48mm ，Outer Diameter :140mm ，Bore Diameter :65mm |
| UCFLX09 Bearing units | A0:55.6 mm ，A1:14 mm ，A:40 mm ，d1:45 mm ，Bore Diameter :45mm ，Brand:NACHI |
| 13685/13621-13600LA Tapered roller bearings | Outer Diameter :69.012mm ，Size :38.1x69.012x19.812mm ，Bore Diameter :38.1mm ，Brand:Timken |
| K35X45X49HZW Needle roller bearings | Outer Diameter :45mm ，Fw:35 mm ，Brand:Timken ，Bore Diameter :35mm |
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