| ISB PART NO. | NB1.20.0544.201-2PPN |
| MAS PART NO. | M NB1.20.0544.201-2PPN |
| Outside Diameter De(mm) | 616 |
| Outside Diameter Of Outer Ring Dce(mm) | 614.5-0.11 |
| Internal Diameter On Outer Ring de(mm) | 545.5 |
| External Diameter On Inner Ring di(mm) | 542.5 |
| Internal Diameter On Inner Ring Dci(mm) | 473.5+0.10 |
| Internal Diameter Di(mm) | 472 |
| Bolt Circle In Out Ring Fe(mm) | 590 |
| Number Of Bolt Holes of Outer Ring Ne | 32 |
| Bolt Circle In Inner Ring Fi(mm) | 498 |
| Number Of Bolt Holes of Inner Ring Ni | 32 |
| Gioco ass.e radiale Axial and Radial Clearance | 0÷0.03 |
| Weight(KG) | 37 |
| Materiale | C45Q+T |
| Grease Nipples(G) | n.4-M8*1 |
| masbearing@outlook.com | |
| Mob/Wechat | +86 15255522117 |
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