231/530-E1A-MB1-C4 Spherical Roller Bearings Higher Cost-effectiveness And Operational Security With X-life
The 231/530-E1A-MB1-C4 Double-row spherical roller bearings are suitable for heavy-load, impact, and eccentric conditions. Classic applications include vibrating screen exciters, crushers, fans, paper machine press rolls, mining conveyor equipment, and marine propulsion shafts.
The 231/530-E1A-MB1-C4 bearing is a Spherical roller bearings Higher cost-effectiveness and operational security with X-life with an inner diameter of 530 mm , an outer diameter of 870 mm, a width of 272 mm. GCr15, GCr15SiMn, SUJ2 rings, GCr15, SUJ2 rolling mlement. Its dynamic radial rated load is approximately 8899932 N, its static radial rated load is approximately 14999901 N. It uses C4 standard radial clearance, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
231/530-E1A-MB1-C4 bearings ( 530 mm x 870 mm x 272 mm) have the advantages of Self-aligning, high load-bearing capacity, impact resistant, and adaptable to heavy loads, and are therefore widely used in the Gearboxes, drive shafts, conveying equipment, general machinery.
| Part Number | 231/530-E1A-MB1-C4 |
| Design Type | E1A = without central rip |
| Bore Type | Z = Cylindrical bore |
| RIC | C4 |
| Row | 2 |
| Bearing Type | Spherical roller bearings Higher cost-effectiveness and operational security with X-life |
| Manufacturer Part Code | 231/530E1AMB1C4 |
| Original Code | 231/530-E1A-MB1-C4 |
| Cage | MB1 = Solid brass cage, guided on inner ring |
| Measurement | Metric |
| d φ Inside [inch] | 20.866 |
| D Φ Outside [inch] | 34.252 |
| B Width [inch] | 10.709 |
| nB Reference speed (grease) [min–1] | 324 |
| nG Limiting speed (oil) [min–1] | 771 |
| Weight [kg] | 648 |
| r(min.) Chamfer [inch] | 0.295 |
| D1 [inch] | 29.941 |
| ds [inch] | 0.492 |
| ns [inch] | 0.925 |
| Cr Radial Dynamic [lbf] | 2000704 |
| C0r Radial static [lbf] | 3371977 |
| Cur Radial Fatigue [lbf] | 211300 |
| Temperature - T(min)[°C] | -30 |
| Temperature - T(max)[°C] | up +200 |
| Mounting dimensions | |
| da(min.) [inch] | 22.126 |
| Da(max.) [inch] | 32.992 |
| ra(max.) [mm] | 648 |
| Calculation coefficient | |
| e | 0.3 |
| Y0 | 2.2 |
| Y1 | 2.25 |
| Y2 | 3.34 |
The 231/530-E1A-MB1-C4 Double-row spherical roller bearings mainly consist of an inner ring, an outer ring, two rows of spherical rollers, a cage, and seals. The outer ring raceway has a spherical structure, while the inner ring has a double-row raceway. The rollers and raceways are logarithmically curved. The cage is typically made of stamped steel or machined brass.
Double-row spherical roller bearings possess excellent self-aligning properties, compensating for shaft deflection, installation errors, and misalignment. They can simultaneously withstand radial loads and bidirectional axial loads, exhibiting extremely high load-bearing capacity and strong impact resistance. Furthermore, the internal clearance can be optimized for vibration conditions, effectively reducing frictional temperature rise.
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