| Bore diameter | d | 55 | mm |
| Width | B | 43 | mm |
| Basic static load rating, radial | C0r | 24,000 | |
| Limiting speed | nG | 5,700 |
| Outside diameter | D | 120 | mm |
| Basic dynamic load rating, radial | Cr | 77,000 | |
| Fatigue load limit, radial | Cur | 1,520 | |
| Reference speed | nϑr | 7,100 |
| Minimum diameter shaft shoulder | da min | 66 | mm |
| Maximum diameter of housing shoulder | Da max | 109 | mm |
| Minimum cavity width of the sleeve | Ba min | 6 | mm |
| Maximum diameter shaft shoulder | da max | 69 | mm |
| Minimum cavity diameter of the sleeve | db min | 61 | mm |
| Maximum fillet radius | ra max | 2 | mm |
| Minimum chamfer dimension | rmin | 2 | mm |
| Shoulder diameter inner ring | d1 | 71.70 | mm |
| Shoulder diameter outer ring | D1 | 100.20 | mm |
| Manufacturer | Part Number |
|---|---|
| Koyo | 2311.K (KOYO) |
| SKF | 2311 K (SKF) |
| SNR | 2311K G15 J30 (SNR) |
| Marlin-Rockwell Corp. | 2311K |
| NSK | 2311 K (NSK) |
| NTN | 2311K |
| SKF | 2311-K-C3 (SKF) |
| Steyr-Daimler-Puch | 2311K/C3 |
| NSK | 2311 K-TNG (NSK) |
| RHP | 2311KTNH |
| RHP | 2311K |
| RIV Officine di Villar Perosa | 12BBJK |
| GPZ Bearings | 111611 |
