22238CC/W33 Spherical Roller Bearings, Stamped Steel Cages
The 22238CC/W33 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 22238CC/W33 bearing is a Spherical roller bearings, double row with an inner diameter of 190 mm , an outer diameter of 340 mm, a width of 92 mm. High-carbon chromium steel rings, High-carbon chromium steel rolling mlement. Its dynamic radial rated load is approximately 1341519 N, its static radial rated load is approximately 1699182 N. It uses Normal standard radial clearance, open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
Interchange code: KOYO 22238RHAW33 , TORRINGTON 22238SDW33 , NACHI 22238EW33 , NSK 22238CAE4 , FAG 22238B·MB , NTN 22238BD1 , SKF 22238CC/W33 ,
22238CC/W33 bearings ( 190 mm x 340 mm x 92 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 | 22238CC/W33 |
| Manufacturer Part Code | 22238CC/W33 |
| Internal design | CC = Flangeless inner ring, guide ring centred on the inner ring, two stamped steel cages |
| Bearing Type | Spherical roller bearings, double row |
| m Weight [lb] | 80.468 |
| Seal type | open |
| Series | 222..-CC/W33 |
| Cage | CC = stamped steel cages |
| Lubrication | W33 = Annular groove and three lubrication holes in the outer ring |
| Bore Type | Z = cylindrical bore |
| Radial internal clearance | Normal |
| Units | Metric |
| Cr Dynamic Radial [lbf] | 301573 |
| C0r Static Radial [lbf] | 381976 |
| Pu Fatigue Radial [lbf] | 33671 |
| Operating temperature - T(min) [°C] | -30 |
| Operating temperature - T(max) [°C] | +200 |
| nB Speed ratings (grease) [rpm] | 1698 |
| nG Speed ratings (oil) [rpm] | 2386 |
| Heat stabilization | 392 °F (200 °C) |
| Dimension | |
| d φ Inside [inch] | 7.480 |
| D Φ Outside [inch] | 13.386 |
| B Width [inch] | 3.622 |
| b [inch] | 0.657 |
| K [inch] | 0.354 |
| d2 [inch] | 8.858 |
| D1 [inch] | 11.575 |
| ra(max.) Fillet [inch] | 0.118 |
| r1,r2(min.) Fillet [inch] | 0.157 |
| Angular misalignment | 1.5 degrees |
| Abutment dimensions | |
| da(min.) [inch] | 8.150 |
| Da(max.) [inch] | 12.717 |
| Calculation factor | |
| e | 0.26 |
| Y1 | 2.6 |
| Y2 | 3.9 |
| Y0 | 2.5 |
The 22238CC/W33 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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