21312E SKF 60x130x31mm ra max. 2 mm Spherical roller bearings
| Bearing number | 21312E |
| Size (mm) | 60x130x31 |
| Brand | SKF |
| Bore Diameter (mm) | 60 |
| Outer Diameter (mm) | 130 |
| Width (mm) | 31 |
| d | 60 mm |
| D | 130 mm |
| B | 31 mm |
| C | 31 mm |
| b | 6 mm |
| d2 | 87.8 mm |
| r1 min. | 2.1 mm |
| r2 min. | 2.1 mm |
| D1 | 115 mm |
| K | 3 mm |
| da min. | 72 mm |
| Da max. | 118 mm |
| ra max. | 2 mm |
| Weight | 2.1 Kg |
| Basic dynamic load rating (C) | 212 kN |
| Basic static load rating (C0) | 240 kN |
| Fatigue load limit (Pu) | 26.5 |
| Reference speed | 4800 r/min |
| Limiting speed | 6300 r/min |
| Calculation factor (e) | 0.22 |
| Calculation factor (Y0) | 2.8 |
| Calculation factor (Y1) | 3 |
Detailed Parameters
parameter：
| 32BCS8-2MT2N Deep groove ball bearings | Outer Diameter :80mm ，Brand:NACHI ，Size :32x80x23mm ，Bore Diameter :32mm |
| PCJ404624 Needle roller bearings | Fw:63.500 mm ，Brand:NTN ，Ew:73.025 mm ，Bore Diameter :63.500mm ，Outer Diameter :73.025mm |
| X30212CM/Y30212CM Tapered roller bearings | Width :23.75mm ，Outer Diameter :110mm ，Brand:Timken ，Size :60x110x23.75mm ，Bore Diameter :60mm |
| EC-6010 Deep groove ball bearings | Bore Diameter :50mm ，Outer Diameter :80mm ，Size :50x80x16mm ，Brand:NTN |
| 6936-RZ Deep groove ball bearings | Size :180x250x33mm ，d:180 mm ，Outer Diameter :250mm ，Bore Diameter :180mm ，Brand:CYSD ，Width :33mm |
| HTA920DB Angular contact ball bearings | Size :100x140x18mm ，Bore Diameter :100mm ，Brand:NTN ，Outer Diameter :140mm |
| MF-3520 Needle roller bearings | Outer Diameter :42mm ，Size :35x42x20mm ，Brand:NSK ，Bore Diameter :35mm |
| EE295102/295192D+A Tapered roller bearings | d:260.35 mm ，Size :260.35x488.95x254mm ，Width :254mm ，Outer Diameter :488.95mm ，Brand:NTN ，Bore Diameter :260.35mm |
| 7002CPA Angular contact ball bearings | Outer Diameter :32mm ，Bore Diameter :15mm ，Size :15x32x9mm ，d:15 mm ，Width :9mm ，Brand:KOYO |
| HM617045/HM617010 Tapered roller bearings | Bore Diameter :82.55mm ，Brand:Timken ，Size :82.55x142.138x42.862mm ，Outer Diameter :142.138mm |
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