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Availability:
8 in stock
Double-row spherical roller bearing, 120mm straight bore x 215mm OD x 58mm wide, enhanced-capacity design, outer-ring lube groove, CN clearance.
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| MFR / Brand | NSK |
|---|---|
| GTIN | 029176411540 |
| Model | 22224 EA E4/W33 22224ES |
| Bearing Type | Spherical Roller Bearing, Open |
| ID | 120 mm |
| OD | 215 mm |
| Width | 58 mm |
| Material | Chrome Steel |
|---|---|
| Series | 22200 |
| Condition | New |
| Lubricant | Oil/Grease |
| Relubrication | E4 - outer-ring lubrication groove with three radial holes (NSK E4 = W33) |
| Base Number | 22224 |
| Industry Terms | spherical roller bearing, self-aligning roller bearing, straight bore SRB, W33 lube groove bearing |
| Common Misspellings | 22224EA E4, 2224EAE4, 22224EAEA, 22224 EAE4, spherical rolller bearing |
| Application Types | Conveyor pulleys and drums, fans and blowers, crushers and screens, gearboxes, pumps, plummer blocks |
| Bore Shaft Size | 120 mm (4.7244 in), straight cylindrical |
| Mpn Variants | 22224EAE4, 22224 EA E4, 22224-EA-E4, 22224EAE4C3, 22224EAW33, 22224E |
| Distributor Stock Numbers | UPC 029176411540 |
| Min Temp | -30°C |
| Cage Type | Roller Guided |
| Dynamic Load Rating | 610 kN / 137133 lbf |
| Static Load Rating | 765 kN / 171979 lbf |
| Precision Rating | ABEC 1 / P0 |
| Rolling Elements | Spherical Rollers |
| Max Temp | 200°C |
| Item Weight | 18.5 lbs |
| Cage Material | Steel |
| Limiting Speed | 2800 rpm |
| Number Of Rows | 2 |
| Bore Type | Straight |
| Snap Ring Included | Without Snap Ring |
| Relubrication Feature | Yes |
| Harmonization Code | 8482.30.00 |
| Design Units | Metric |
| Internal Clearance | CN |
| Running Accuracy | Normal |
| Part Number | 22224EAE4 |
| Running Accuracy Radial And Axial Runout | Normal |
| Cross Reference 1 | SKF 22224 E/W33 |
|---|---|
| Cross Reference 2 | FAG 22224-E1-XL-W33 |
| Cross Reference 3 | Timken 22224EJW33 |
NSK 22224EAE4 double-row spherical roller bearing with a straight cylindrical bore. Two rows of barrel rollers run on a common spherical outer raceway, so the inner ring and roller set swivel inside the outer ring.
222 denotes a double-row spherical roller bearing, dimension series 22. 24 denotes the bore code, 24 times 5 giving a 120 mm bore. EA denotes the NSK enhanced-capacity internal design. E4 denotes a lubrication groove in the outer ring with three radial holes, the NSK form of W33. The absence of a K means a straight cylindrical bore. The absence of a clearance suffix means normal radial internal clearance, CN.
The spherical outer raceway takes up static and dynamic misalignment between shaft and housing, and the double-row roller set carries radial load plus thrust in both directions. The EA internal design raises capacity within the same 120 x 215 x 58 mm envelope. A straight bore mounts directly on a cylindrical shaft seat, so mounted clearance is set by the shaft interference fit rather than by drive-up on a taper.
Bore: 120 mm, straight cylindrical. Outside diameter: 215 mm. Width: 58 mm. Rows: 2. Rolling elements: barrel rollers. Internal clearance: CN, normal. Relubrication: outer-ring groove with three radial holes.
1 Pc. Bearing only.
The straight bore goes onto a cylindrical shaft seat with an interference fit, which absorbs part of the radial internal clearance once mounted. The outer ring seats in a housing bore whose relubrication port aligns with the E4 groove. Outer-ring fit is normally looser than the inner so that the housing can take up thermal growth.
Same-spec straight-bore equivalents in other schemes: SKF 22224 E/W33, FAG 22224-E1-XL-W33, Timken 22224EJW33. Tapered-bore K forms need an adapter sleeve and are related sizes in the same envelope, not interchanges; likewise C3 and C4 clearance variants.
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