231/560-E1A-XL-K30-MB1 Spherical Roller Bearings Higher Cost-effectiveness And Operational Security With X-life
The 231/560-E1A-XL-K30-MB1 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 231/560-E1A-XL-K30-MB1 bearing is a Spherical roller bearings Higher cost-effectiveness and operational security with X-life with an inner diameter of 560 mm , an outer diameter of 920 mm, a width of 280 mm. GCr15, GCr15SiMn, SUJ2 rings, GCr15, SUJ2 rolling mlement. Its dynamic radial rated load is approximately 9699901 N, its static radial rated load is approximately 16399921 N. It uses CN standard radial clearance, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
231/560-E1A-XL-K30-MB1 bearings ( 560 mm x 920 mm x 280 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 | 231/560-E1A-XL-K30-MB1 |
| Design Type | E1A = without central rip |
| Bore Type | K30 = Tapered bore (K30 = taper 1:30) |
| RIC | CN |
| X-Life | XL long life design |
| Row | 2 |
| Bearing Type | Spherical roller bearings Higher cost-effectiveness and operational security with X-life |
| Manufacturer Part Code | 231/560-E1A-K30-MB1 |
| Original Code | 231/560-E1A-K30-MB1 |
| Cage | MB1 = Solid brass cage, guided on inner ring |
| Measurement | Metric |
| d φ Inside [inch] | 22.047 |
| D Φ Outside [inch] | 36.220 |
| B Width [inch] | 11.024 |
| nB Reference speed (grease) [min–1] | 304 |
| nG Limiting speed (oil) [min–1] | 746 |
| Weight [kg] | 746 |
| r(min.) Chamfer [inch] | 0.295 |
| D1 [inch] | 31.756 |
| ds [inch] | 0.492 |
| ns [inch] | 0.925 |
| Cr Radial Dynamic [lbf] | 2180537 |
| C0r Radial static [lbf] | 3686702 |
| Cur Radial Fatigue [lbf] | 231530 |
| Temperature - T(min)[°C] | -30 |
| Temperature - T(max)[°C] | up +200 |
| Mounting dimensions | |
| da(min.) [inch] | 23.307 |
| Da(max.) [inch] | 34.961 |
| ra(max.) [mm] | 746 |
| Calculation coefficient | |
| e | 0.29 |
| Y0 | 2.26 |
| Y1 | 2.32 |
| Y2 | 3.45 |
The 231/560-E1A-XL-K30-MB1 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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