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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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Spherical roller bearing, 75 mm tapered bore (1:12) x 130 mm OD x 31 mm wide, E design, C4 clearance, W33 lubrication groove. Mounts on an H315 adapter sleeve.
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| MFR / Brand | SKF |
|---|---|
| MPN | 22215-EK/C4-W33 |
| Model | 22215E / 22215 EK C4 W33 |
| Bearing Type | Spherical Roller Bearing, Open |
| ID | 75 mm |
| OD | 130 mm |
| Width | 31 mm |
| Material | Bearing Steel |
|---|---|
| Base Number | 22215 |
| Overall Width | 31 mm |
| Mpn Variants | 22215-EK/C4-W33, 22215EKC4W33, 22215 EK C4 W33, 22215-EK-C4, 22215EK, 22215E |
| Additional Attributes | Mounts on H315 adapter sleeve (65 mm shaft), KM15 lock nut, MB15 lock washer |
| Series | 222 |
| Rolling Elements | Spherical Roller |
| Number Of Rows | 2 |
| Bore Type | Tapered, 1:12 |
| Snap Ring Included | No |
| Internal Clearance | C4 |
| Lubricant | grease or oil |
| Relubrication Feature | W33 lubrication groove and three holes in outer ring |
| Harmonization Code | 8482.30.00 |
| Closure Type | Open |
| Cross Reference 1 | FAG 22215-E1-K-C4 |
|---|---|
| Cross Reference 2 | NSK 22215EAKE4C4 |
| Cross Reference 3 | NTN 22215K C4 |
| Cross Reference 4 | Koyo 22215K C4 |
| Cross Reference 5 | Timken 22215K C4 |
| Cross Reference 6 | MRC 22215K C4 |
| Cross Reference 7 | SNR 22215K C4 |
SKF 22215-EK/C4-W33 double-row spherical roller bearing, SKF E design, with a 1:12 tapered bore, C4 internal clearance and a W33 lubrication feature. Unit Quantity: 1 Pc. One complete bearing: inner ring, two roller rows with cages, and outer ring.
22215 — ISO spherical roller bearing, 222 series, bore code 15: 75 mm bore, 130 mm outside diameter, 31 mm width.
E — SKF E design, the current internal design on this envelope.
K — tapered bore, taper 1:12.
C4 — radial internal clearance greater than C3.
W33 — annular lubrication groove with three radial holes in the outer ring, carrying grease or oil directly to the roller rows.
Rolling Elements: Spherical Roller. Number Of Rows: 2. Series: 222. Internal Clearance: C4. Closure Type: Open. Lubricant: grease or oil, fed through the W33 groove and holes. Bore Type: Tapered, 1:12. Harmonization Code: 8482.30.00.
Bore Diameter: 75 mm. Outside Diameter: 130 mm. Overall Width: 31 mm. Mounts on an H315 adapter sleeve for a 65 mm shaft, with a KM15 lock nut and MB15 lock washer.
Cross-references on the ISO 22215 envelope, tapered bore, C4 clearance: FAG 22215-E1-K-C4, NSK 22215EAKE4C4, NTN 22215K C4, Koyo 22215K C4, Timken 22215K C4, MRC 22215K C4, SNR 22215K C4. Lubrication-groove executions carry each maker’s own suffix: W33 on SKF, S on FAG, E4 on NSK, B33 on SNR.
Bore Diameter: 75 mm. Outside Diameter: 130 mm. Overall Width: 31 mm.
An annular lubrication groove with three radial holes in the outer ring, carrying grease or oil to the roller rows.
An H315 adapter sleeve for a 65 mm shaft, with a KM15 lock nut and MB15 lock washer.
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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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