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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SKF 22244 CKY/C2W33 spherical roller bearing, 220 x 400 x 108 mm, 1:12 tapered bore, C2 clearance, W33 lube groove, brass cages. Mounts on an H 3144 sleeve.
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| MFR / Brand | SKF |
|---|---|
| MPN | 22244 CKY/C2W33 |
| Model | 22244 CKY/C2W33 / 22244CKY |
| Bearing Type | Spherical Roller Bearing, Open |
| ID | 220 mm |
| OD | 400 mm |
| Width | 108 mm |
| Material | Chrome Steel |
|---|---|
| Series | 22200 |
| Lubricant | Grease or oil |
| Bore | Taper Bore |
| Mpn Variants | 22244 CKY/C2W33, 22244-CKY-C2W33, 22244-C-K-Y-C2-W33, 22244CKYC2W33, 22244CKY |
| Compatible With Replaces | Adapter sleeve H 3144 |
| Cage Type | Window |
| Rolling Elements | Spherical Roller |
| Cage Material | Pressed brass |
| Number Of Rows | 2 |
| Bore Type | Tapered 1:12 |
| Snap Ring Included | No |
| Internal Clearance | C2 |
| Relubrication Feature | W33 groove and three holes |
| Harmonization Code | 8482.30.00.80 |
| Industry Terms | spherical roller bearing; tapered bore spherical bearing; W33 spherical roller bearing; C2 clearance spherical bearing |
| Common Misspellings | SKF 22244 CKY C2W33; SKF 22244CKYC2W33; SFK 22244 CKY/C2W33; SKF 22244CK |
| Closure Type | Open |
| Cross Reference 1 | Timken 22244KEMW33C2 |
|---|---|
| Cross Reference 2 | NSK 22244CAKE4C2 |
| Cross Reference 3 | FAG 22244-K-MB-C2 (no lube groove) |
SKF 22244 CKY/C2W33 is a double row spherical roller bearing with a 1:12 tapered bore, pressed brass window cages, C2 internal clearance and a lubrication groove with three holes in the outer ring. Bearing only. Unit Quantity: 1 Pc.
222 — spherical roller bearing, dimension series 22.
44 — bore code, 44 x 5 = 220 mm bore.
C — SKF C internal design, symmetrical rollers.
K — tapered bore, taper 1:12.
Y — pressed brass window-type cage.
C2 — radial internal clearance below Normal.
W33 — annular groove and three lubrication holes in the outer ring.
Bore Diameter: 220 mm. Outside Diameter: 400 mm. Width: 108 mm. Bore Type: Tapered 1:12. Number Of Rows: 2. Rolling Elements: Spherical Roller. Cage Material: Pressed brass. Cage Type: Window. Internal Clearance: C2. Relubrication Feature: W33 groove and three holes. Lubricant: grease or oil. Closure Type: Open. Series: 22200.
Adapter sleeve: H 3144 (200 mm shaft, 220 mm tapered seat). Harmonization Code: 8482.30.00.80.
Cross-Reference 1: Timken 22244KEMW33C2. Cross-Reference 2: NSK 22244CAKE4C2. Cross-Reference 3: FAG 22244-K-MB-C2 (no lube groove). SKF current design: 22244 CCK/C2W33. MPN variants: 22244 CKY/C2W33, 22244-CKY-C2W33, 22244-C-K-Y-C2-W33, 22244CKYC2W33, 22244CKY.
Bore 220 mm, outside diameter 400 mm, width 108 mm.
K is a tapered bore with 1:12 taper. The matching adapter sleeve is H 3144.
C2 is radial internal clearance below Normal. W33 is an annular groove with three lubrication holes in the outer ring.
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