15120/15250 NACHI Calculation factor (e) 0.35 30.213×63.500×20.638mm Tapered roller bearings
| Bearing number | 15120/15250 |
| Size (mm) | 30.213×63.500×20.638 |
| Brand | NACHI |
| Bore Diameter (mm) | 30.213 |
| Outer Diameter (mm) | 63.500 |
| Width (mm) | 20.638 |
| d | 30.213 mm |
| D | 63.500 mm |
| T | 20.638 mm |
| B | 20.638 mm |
| C | 15.875 mm |
| a | 7.4 mm |
| r1 min. | 0.8 mm |
| r2 min. | 1.3 mm |
| Weight | 0.297 Kg |
| Basic dynamic load rating (C) | 45000 kN |
| Basic static load rating (C0) | 54500 kN |
| (Grease) Lubrication Speed | 6000 r/min |
| (Oil) Lubrication Speed | 8000 r/min |
| Calculation factor (e) | 0.35 |
| Calculation factor (Y0) | 0.94 |
Detailed Parameters
parameter：
| NAO-50×68×20 Needle roller bearings | Brand:NTN ，Bore Diameter :50mm ，d:50 mm ，Outer Diameter :60mm |
| S7212 ACD/P4A Angular contact ball bearings | Size :110x60x22mm ，d:60 mm ，Bore Diameter :110mm ，Outer Diameter :60mm ，Brand:SKF ，Width :22mm |
| RASEY30-N Bearing units | d:30 mm ，Brand:NKE ，Bore Diameter :30mm ，Width :40mm |
| 6919ZZ Deep groove ball bearings | Brand:NTN ，Outer Diameter :130mm ，Size :95x130x18mm ，Bore Diameter :95mm |
| KHLLP204AJ Bearing units | A:27 mm ，Bore Diameter :20mm ，Width :31mm ，Brand:NACHI ，d:20 mm |
| Q307 Angular contact ball bearings | Outer Diameter :80mm ，Brand:ISO ，Size :35x80x21mm ，Bore Diameter :35mm |
| N338 Cylindrical roller bearings | Width :78mm ，Outer Diameter :345mm ，Brand:NTN ，Size :190x345x78mm ，Bore Diameter :190mm |
| SLX130X220X120 Cylindrical roller bearings | Size :130x220x60mm ，Outer Diameter :220.000mm ，Width :60.000mm ，Bore Diameter :130.000mm ，Brand:NTN |
| HK3016 Needle roller bearings | Width :16mm ，Bore Diameter :30mm ，Outer Diameter :37mm ，Size :30x37x16mm ，Brand:KOYO |
| UK312+H2312 Deep groove ball bearings | Brand:NACHI ，Outer Diameter :130mm ，Size :60x130x46mm ，Bore Diameter :60mm |
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