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Deep Groove Ball Bearings: The Industry Default and When to Reach for Something Else
If you pulled a bearing off general industrial equipment at random, there’s a good chance
Availability:
1 in stock
Spherical roller bearing, 90 x 160 x 40 mm, tapered 1:12 bore, C3 clearance. SKF Explorer E design: 331 kN dynamic, 375 kN static, pressed steel cages.
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| MFR / Brand | SKF |
|---|---|
| MPN | 22218 EK/C3 |
| Model | 22218 E K C3 W33 |
| Bearing Type | Spherical Roller Bearing, Open |
| ID | 90 mm |
| OD | 160 mm |
| Width | 40 mm |
| Material | Bearing Steel |
|---|---|
| Series | 22200 |
| Bore | Taper Bore |
| Industry Terms | spherical roller bearing, self-aligning roller bearing, tapered bore, adapter sleeve mount |
| Common Misspellings | 22218EK C3, 2218EKC3, 22218-EKC3 |
| Mpn Variants | 22218 EK/C3, 22218EKC3, 22218-EK-C3, 22218-E-K-C3-W33, 22218EKC3W33 |
| Precision Class | Normal dimensions / P5 run-out |
| Additional Attributes | Adapter sleeve: H318; lock nut KM18; lock washer MB18 |
| Dynamic Load Rating | 331,000 N |
| Static Load Rating | 375,000 N |
| Rolling Elements | Spherical Roller |
| Item Weight | 3.33 kg (7.34 lb) |
| Cage Material | Pressed steel |
| Limiting Speed | 5,300 rpm |
| Number Of Rows | 2 |
| Bore Type | Tapered 1:12 |
| Snap Ring Included | No |
| Internal Clearance | C3 |
| Relubrication Feature | W33 groove and three lubrication holes |
| Harmonization Code | 8482.30.00 |
| Cross Reference 1 | FAG 22218-E1-K-C3 |
|---|---|
| Cross Reference 2 | NSK 22218EAKE4C3 |
| Cross Reference 3 | Timken 22218KEJW33C3 |
| Cross Reference 4 | NTN 22218EAKD1C3 |
SKF 22218 EK/C3 is a double-row spherical roller bearing in the SKF Explorer E design with a tapered bore and C3 radial internal clearance. Bore Diameter: 90 mm. Outside Diameter: 160 mm. Width: 40 mm. The bearing is self-aligning and carries heavy radial load with axial load in both directions.
22218 — ISO 222 series spherical roller bearing, 90 mm bore (18 x 5).
E — SKF E internal design, higher load ratings than the older CC/CJ executions on the same envelope, with the W33 lubrication groove and three holes in the outer ring as standard.
K — tapered bore, taper 1:12.
C3 — radial internal clearance greater than normal.
Dynamic Load Rating: 331,000 N. Static Load Rating: 375,000 N. Reference Speed: 3,800 rpm. Limiting Speed: 5,300 rpm. Cage Material: Pressed steel. Internal Clearance: C3. Bore Type: Tapered 1:12. Precision Class: Normal dimensional tolerance, P5 run-out. Relubrication Feature: W33 groove with three lubrication holes. Lubricant: grease or oil. Item Weight: 3.33 kg (7.34 lb). C3 clearance suits shafts running warm or mounted with a tight interference fit.
The 1:12 tapered bore mounts on an H318 adapter sleeve (80 mm shaft) or directly on a tapered shaft seat. The H318 sleeve takes a KM18 lock nut and MB18 lock washer.
Unit Quantity: 1 Pc. Open bearing, no seals.
Matching 90 x 160 x 40 mm size, tapered bore and C3 clearance: FAG 22218-E1-K-C3, NSK 22218EAKE4C3, Timken 22218KEJW33C3, NTN 22218EAKD1C3. Ratings differ between makers.
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