NNU 6032 M Six-row Cylindrical Roller Bearing, Machined Brass Cage
The NNU 6032 M Four-row cylindrical roller bearings is suitable for heavy machinery applications that bear huge radial loads. Classic applications include: support rolls of rolling mills, large gearboxes, heavy machine tool spindles, wind turbine spindles, ship propulsion shafts, and rotor supports for high-power compressors.
The NNU 6032 M bearing is a Six-row cylindrical roller bearing with an inner diameter of 160 mm , an outer diameter of 240 mm, a width of 145 mm. GCr15, ZGCr15, GCr15SiMn, 20Cr2Ni4A rings, GCr15, ZGCr15, GCr15SiMn, 20Cr2Ni4A rolling mlement. Its dynamic radial rated load is approximately 949552 N, its static radial rated load is approximately 2447725 N. Open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
NNU 6032 M bearings ( 160 mm x 240 mm x 145 mm) have the advantages of Extremely high radial load capacity, high rigidity, separable design, and are therefore widely used in the metallurgical rolling mills, large gearboxes, and heavy-duty extrusion presses.
| Part Number | NNU 6032 M |
| Interchangeable | SKF NNU 6032 M |
| Outer ring | RNNU 6032 M |
| Inner ring | LNNU 6032 |
| Bearing Type | Six-row cylindrical roller bearing |
| Cage | Machined brass cage |
| Seal | Open |
| Bore Type | Cylindrical bore |
| Series | NNU 60.. M |
| Coating | No |
| Units | Metric |
| Weight [lb] | 55.115 |
| Bearing part | Complete |
| Heat stabilized | 150 °C(300 °F) |
| Cr Radial Dynamic [lbf] | 213459 |
| C0r Radial Static [lbf] | 550248 |
| Pu Fatigue load limit [lbf] | 59282 |
| Dimension | |
| d φ Inside [inch] | 6.299 |
| D Φ Outside [inch] | 9.449 |
| B Inner Width [inch] | 5.709 |
| C Outer Width [inch] | 5.709 |
| D1 [inch] | 7.677 |
| F [inch] | 7.244 |
| r1, r2(min.) [mm] | 2.1 |
| r3, r4(min.) [mm] | 2.1 |
| K lubrication hole [inch] | 0.118 |
| s Permissible axial displacement [inch] | 0.177 |
| kr Calculation coefficient | 0.61 |
The NNU 6032 M Four-row cylindrical roller bearings mainly consist of an inner ring, an outer ring, four rows of cylindrical rollers, a cage, and a spacer. Common structures use a configuration of double outer rings (each with double raceways) and a single inner ring (with four raceways), or an interchangeable combination of inner and outer rings. Axial positioning and load distribution are achieved through the spacer.
The advantages of four-row cylindrical roller bearings are their extremely high radial load capacity, high rigidity, and the line contact between the rollers and raceways, resulting in a low coefficient of friction and allowing for high-speed operation under heavy loads. They can also be used as floating end bearings, capable of withstanding axial displacement caused by thermal expansion, and are easy to install and maintain.
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