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Gearmotors: What They Are and How to Size a Replacement
Many industrial loads need torque an electric motor can’t deliver on its own, at a
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NSK 22209EAKE4C3 spherical roller bearing, 45 x 85 x 23 mm, 1:12 tapered bore, E4 lubrication groove, C3 clearance. Cr 118 kN, mounts on H309 sleeve.
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| MFR / Brand | NSK |
|---|---|
| MPN | 22209EAKE4C3 |
| Model | 22209-EA-KE4-C3 |
| Bearing Type | Spherical Roller Bearing, Open |
| ID | 45 mm |
| OD | 85 mm |
| Width | 23 mm |
| Material | Chrome Steel |
|---|---|
| Series | 222 |
| Lubricant | grease or oil |
| Dynamic Load Rating | 118,000 N |
| Static Load Rating | 111,000 N |
| Rolling Elements | Spherical Roller |
| Item Weight | 0.55 kg (1.21 lb) |
| Cage Material | Pressed steel |
| Number Of Rows | 2 |
| Bore Type | Tapered 1:12 |
| Snap Ring Included | No |
| Relubrication Feature | Outer ring groove and holes (E4 / W33) |
| Harmonization Code | 8482.30.00.80 |
| Internal Clearance | C3 |
| Limiting Speed | 6,000 rpm grease; 7,500 rpm oil |
| Overall Width | 23 mm |
| Relubrication | Outer ring groove and holes (E4 / W33) |
| Mpn Variants | 22209EAKE4C3, 22209-EA-KE4-C3, 22209 EA K E4 C3, 22209EAKW33C3, 22209CKW33C3, 22209CKJ |
| Compatible With Replaces | Adapter sleeve H309 |
| Cross Reference 1 | SKF 22209 EK/C3 - no lube groove |
|---|---|
| Cross Reference 2 | FAG 22209-E1-K-C3 - no lube groove |
| Cross Reference 3 | NTN 22209EAKW33C3 |
| Cross Reference 4 | SNR 22209EAKW33C3 |
| Cross Reference 5 | Koyo 22209RHKW33C3 |
NSK 22209EAKE4C3 double row spherical roller bearing with 1:12 tapered bore. Bore Diameter: 45 mm. Outside Diameter: 85 mm. Width: 23 mm. Self-aligning, for heavy radial loads with moderate axial load in either direction. Unit Quantity: 1 Pc.
22209 — spherical roller bearing, 22 series, 45 mm bore.
EA — NSK high-capacity design with pressed steel cages.
K — 1:12 tapered bore.
E4 — lubrication groove and holes in the outer ring, equivalent to W33.
C3 — radial internal clearance greater than normal.
Dynamic Load Rating: 118,000 N. Static Load Rating: 111,000 N. Limiting Speed: 6,000 rpm grease; 7,500 rpm oil. Cage Material: Pressed steel. Internal Clearance: C3. Bore Type: Tapered 1:12. Lubricant: grease or oil. Item Weight: 0.55 kg (1.21 lb).
Bore Diameter: 45 mm. Outside Diameter: 85 mm. Width: 23 mm. Chamfer r min: 1.1 mm. Shaft Abutment da: 52 to 55 mm. Housing Abutment Da: 75 to 78 mm. Fillet ra max: 1 mm. Adapter Sleeve: H309 for a 40 mm shaft.
Cross-references: SKF 22209 EK/C3 (no lube groove), FAG 22209-E1-K-C3 (no lube groove), NTN 22209EAKW33C3, SNR 22209EAKW33C3, Koyo 22209RHKW33C3. CAD model and data sheet: available from NSK (nsk.com).
H309, which seats the 45 mm tapered bore on a 40 mm shaft.
An outer ring lubrication groove with holes, the same feature as W33.
Dynamic 118,000 N and static 111,000 N.
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Our team can locate, cross-reference, and source all parts.
Our team can locate, cross-reference, and source all parts.
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