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Availability:
6 in stock
Double-row spherical roller bearing, 100 x 180 x 46 mm, 1:12 tapered bore, E4 lubrication groove and three holes, C3 clearance. Self-aligning, thrust both directions. 1 Pc.
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$150.37
6 in stock
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| MFR / Brand | NSK |
|---|---|
| MPN | 22220HKE4C3 |
| Model | 22220 H K E4 C3 / 22220 H K W33 C3 |
| Bearing Type | Spherical Roller Bearing, Open |
| ID | 100 mm |
| OD | 180 mm |
| Width | 46 mm |
| Material | Chrome Steel |
|---|---|
| Series | 22200 |
| Condition | New |
| Lubricant | Oil/Grease |
| Relubrication | E4, outer-ring lubrication groove with three radial holes (NSK code, equivalent to SKF W33) |
| Base Number | 22220 |
| Industry Terms | Spherical roller bearing, self-aligning roller bearing, taper bore spherical roller, W33 spherical roller, E4 spherical roller, double row barrel roller bearing |
| Common Misspellings | 22220HK E4C3, 22220HKE4 C3, 22220HKE43C, 2220HKE4C3, 22220HKF4C3, sperical roller bearing, spherical roler bearing, taper bore spherical |
| Application Types | Conveyor pulleys, crushers and screens, fans and blowers, gearboxes, pumps, rolling mill auxiliaries, vibrating machinery |
| Bore Shaft Size | 100 mm (3.937 in), tapered 1:12 |
| Mpn Variants | 22220HKE4C3, 22220 H K E4 C3, 22220-H-K-E4-C3, 22220HK E4 C3, 22220 H K W33 C3, 22220HKW33C3 |
| Compatible With Replaces | Adapter sleeve H320 (1:12 taper, 90 mm shaft seat, supplied with KM 20 locknut and MB 20 lock washer) for mounting on a plain cylindrical shaft |
| Additional Attributes | Double row spherical rollers carry thrust in both axial directions. Self-aligning through the spherical outer raceway. Tapered bore mounts on a tapered journal or an adapter sleeve. |
| Min Temp | -30°C |
| Cage Type | Stamped |
| Dynamic Load Rating | 425 kN / 95544 lbf |
| Static Load Rating | 540 kN / 121397 lbf |
| Precision Rating | ABEC 1 / P0 |
| Rolling Elements | Spherical Rollers |
| Max Temp | 200°C |
| Item Weight | 11.2 lbs |
| Cage Material | Steel |
| Limiting Speed | 3600 rpm |
| Number Of Rows | 2 |
| Bore Type | Tapered |
| Snap Ring Included | No |
| Harmonization Code | 8482.30.00 |
| Design Units | Metric |
| Internal Clearance | C3 |
| Part Number | 22220HKE4C3 |
| Cross Reference 1 | 22220 (ISO base number) |
|---|---|
| Cross Reference 2 | 22220K (taper bore) |
| Cross Reference 3 | SKF 22220 CCK/C3W33 (equivalent taper bore, W33, C3 execution) |
A double-row spherical roller bearing with a tapered bore, 100 mm bore × 180 mm outside diameter × 46 mm width. Two rows of barrel-profile rollers run on a common spherical outer raceway, so the inner ring and roller set swivel within the outer ring. The bearing carries heavy radial load, takes thrust in both axial directions, and accommodates static misalignment and running shaft deflection.
222 — double-row spherical roller dimension series.
20 — bore code, 100 mm.
K — 1:12 tapered bore.
E4 — lubrication groove around the outer ring with three radial lubrication holes. This is the NSK code for the feature SKF designates W33, which is why both appear on this listing.
C3 — radial internal clearance greater than normal.
The spherical outer raceway is what makes the bearing self-aligning, and the double row is what gives it thrust capacity in both directions rather than one. The tapered bore is a mounting feature: driving the inner ring further up the taper increases the interference fit and reduces the residual internal clearance, so one part covers a range of shaft fits and the fitter sets the final clearance by measurement. The E4 groove and three holes feed lubricant to the centre of the two roller rows from a housing port, which is the arrangement used where the bearing is relubricated on a schedule rather than packed once. C3 clearance leaves running room for the interference a tapered bore creates and for a shaft running hotter than its housing.
Bore: 100 mm (3.937 in), tapered 1:12
Outside diameter: 180 mm (7.087 in)
Width: 46 mm (1.811 in)
Rows: 2
Rolling element: spherical (barrel profile) rollers
Radial internal clearance: C3, greater than normal
Lubrication feature: E4, outer-ring groove and three radial holes
Closure: open, both faces
Axial load capacity: both directions
Sale unit 1 Pc. Bearing only. Supplied without adapter sleeve H320, locknut or lock washer.
The 1:12 tapered bore seats either on a matching tapered shaft journal or on an adapter sleeve fitted to a plain cylindrical shaft. The matching sleeve for this size is an H320, which takes a 90 mm shaft and is supplied by its maker complete with a KM 20 locknut and MB 20 lock washer. Drive-up distance along the taper sets the mounted radial clearance, so the C3 value above is the free clearance measured before mounting. Where the outer-ring lubrication holes are used, the housing lube port aligns with the groove, which is continuous around the ring and so requires no rotational indexing.
The ISO base number is 22220, and the equivalent SKF designation for a tapered-bore, W33, C3 execution is 22220 CCK/C3W33. A cylindrical-bore 22220 occupies the same envelope and is a related size, its bore being a different mounting method rather than an interchange. A 22220 in a different clearance class or with a different cage code is likewise a related size, since clearance sets the mounted preload and cage material sets the speed and temperature rating.
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