23218E1AKMC3 Double Row Spherical Roller Bearings
The 23218E1AKMC3 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 23218E1AKMC3 bearing is a Double row spherical roller bearings with an inner diameter of 90 mm , an outer diameter of 160 mm, a width of 52.4 mm. GCr15, GCr15SiMn, SUJ2 rings, GCr15, SUJ2 rolling mlement. Its dynamic radial rated load is approximately 444937 N, its static radial rated load is approximately 519905 N. It uses C3 standard radial clearance, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
23218E1AKMC3 bearings have the advantages of Self-aligning, extremely high load-bearing capacity, thinnest cross-section, low friction, suitable for confined spaces, and are therefore widely used in the Large crushers, mills, and rotary kilns.
| Part Number | 23218E1AKMC3 |
| Design Type | E1A = without central rip |
| Bore Type | K = Tapered bore (K = taper 1:12) |
| RIC | C3 |
| Row | 2 |
| Bearing Type | Double row spherical roller bearings |
| Manufacturer Part Code | 23218E1AKMC3 |
| Original Code | 23218-E1A-K-M |
| Cage | M = Solid brass cage, guided by rollers |
| Measurement | Metric |
| d φ Inside [inch] | 3.543 |
| D Φ Outside [inch] | 6.299 |
| B Width [inch] | 2.063 |
| nB Reference speed (grease) [min–1] | 2648 |
| nG Limiting speed (oil) [min–1] | 4298 |
| Weight [kg] | 4.34 |
| r(min.) Chamfer [inch] | 0.079 |
| D1 [inch] | 5.512 |
| ds [inch] | 0.126 |
| ns [inch] | 0.256 |
| Cr Radial Dynamic [lbf] | 100021 |
| C0r Radial static [lbf] | 116874 |
| Cur Radial Fatigue [lbf] | 10889 |
| Temperature - T(min)[°C] | -30 |
| Temperature - T(max)[°C] | up +200 |
| Mounting dimensions | |
| da(min.) [inch] | 3.976 |
| Da(max.) [inch] | 5.866 |
| ra(max.) [mm] | 4.34 |
| Calculation coefficient | |
| e | 0.31 |
| Y0 | 2.15 |
| Y1 | 2.2 |
| Y2 | 3.27 |
The 23218E1AKMC3 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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