521872 Bore 939.8 Mm, Tapered Roller Bearings, Double Row For Loose Fit On The Roll Neck, Machined Steel Cages
The 521872 Rolling mill bearings are mainly suitable for applications such as floating ends that bear medium to heavy radial loads and need to accommodate shaft thermal expansion, or roll necks that need to bear combined radial and axial loads, as well as gear drives.
The 521872 bearing is a Tapered Roller Bearings, double row for loose fit on the roll neck with an inner diameter of 939.8 mm , an outer diameter of 1333.5 mm, a width of 463.55 mm. Bearing steel rings, Bearing steel rolling mlement. It primarily bears Radial and axial loads, its static radial rated load is approximately 46500000 N. Open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
521872 bearings ( 939.8 mm x 1333.5 mm x 463.55 mm) have the advantages of Extremely high load-bearing capacity and rigidity, and are therefore widely used in the Hot rolling, cold rolling, and wire rod mills.
| Part Number | 521872 |
| Interchangeable | FAG 521872 |
| Desgin Figure | 3 |
| Cage | machined steel cages - pin type |
| Arrangement | face-to-face (><) |
| Seal | Open |
| Bearing Type | Tapered Roller Bearings, double row for loose fit on the roll neck |
| Design type | TDI |
| Equivalent Timken (TDI-Type) | LM287849DW.810 |
| Bearing Weight [lb] | 4783.982 |
| d φ Inside [inch] | 37.000 |
| D Φ Outside [inch] | 52.500 |
| B Width [inch] | 18.250 |
| Bi Width [inch] | 18.250 |
| rs min Chamfer Cup | 12.7 mm |
| r1s min Chamfer Cone | 4.8 mm |
| C0r Radial Static [lbf] | 10453200 |
| Cr Radial Dynamic ISO 281 [lbf] | 3664240 |
| Cr Radial Dynamic (value for housings with angular freedom) [lbf] | 4271200 |
| Cr90 Equivalent load rating [lbf] | 1101520 |
| Ca90 Equivalent load rating [lbf] | 359680 |
| Factor | |
| e | 0.33 |
| K Thrust factor | 1.75 |
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