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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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Link-Belt 22211LBW33C3 spherical roller bearing, 55 mm straight bore, 100 mm OD, 25 mm wide, C3 clearance, W33 lube groove, 27,000 lbf dynamic rating.
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| MFR / Brand | Link Belt |
|---|---|
| MPN | 22211LBW33C3 |
| Model | 22211LB W33 C3 |
| Bearing Type | Spherical Roller Bearing, Open |
| ID | 55 mm |
| OD | 100 mm |
| Width | 25 mm |
| Material | Bearing steel |
|---|---|
| Series | 22200 |
| Lubricant | grease or oil |
| Dynamic Load Rating | 27,000 lbf |
| Static Load Rating | 32,500 lbf |
| Rolling Elements | Spherical Roller |
| Cage Material | Steel |
| Number Of Rows | 2 |
| Bore Type | Straight |
| Snap Ring Included | No |
| Relubrication Feature | W33 groove and holes in outer ring |
| Harmonization Code | 8482.30.00.80 |
| Internal Clearance | C3 |
| Limiting Speed | 4,500 rpm grease; 5,000 rpm oil |
| Base Number | 22211 |
| Industry Terms | spherical roller bearing, SRB, self-aligning roller bearing, 22211 C3 W33 |
| Common Misspellings | Linkbelt 22211LBW33C3, Link Belt 22211 LB, 2211LBW33C3 |
| Application Types | Pillow blocks, conveyors, fans, vibrating equipment, gearboxes, printing machinery |
| Mpn Variants | 22211LBW33C3, 22211-LB-W33-C3, 22211LBC3, 22211 LB W33 C3, 22211MB, 22211M |
| Compatible With Replaces | Link-Belt 22211LBC3 (current catalog number) |
| Additional Attributes | Min shaft shoulder diameter 2.60 in; Max housing shoulder diameter 3.60 in; Housing fillet radius 0.06 in; Vibration frequencies (per rpm): FTF 0.0071, BPFI 0.1810, BPFO 0.1352, BSF 0.0553 |
| Closure Type | Open |
| Cross Reference 1 | SKF 22211 E/C3 - E design |
|---|---|
| Cross Reference 2 | FAG 22211-E1-C3 - E1 design |
| Cross Reference 3 | Timken 22211EJW33C3 - E design |
| Cross Reference 4 | NSK 22211EAE4C3 - EAE4 design |
| Cross Reference 6 | NTN 22211EAD1C3 - EAD1 design |
The Link-Belt 22211LBW33C3 is a double-row spherical roller bearing from the Link-Belt 22200 series with a straight bore, C3 internal clearance and a W33 lubrication groove. It carries heavy radial loads with moderate axial load in either direction and self-aligns to accommodate shaft misalignment. Current Link-Belt catalog number: 22211LBC3.
222 — 22200 series, ISO dimension series 22 spherical roller bearing.
11 — bore code, 55 mm bore.
LB — Link-Belt spherical roller bearing design.
W33 — lubrication groove with holes in the outer ring.
C3 — internal clearance greater than normal.
Bore Diameter: 55 mm (2.1654 in). Outside Diameter: 100 mm (3.937 in). Width: 25 mm. Bore Type: Straight. Internal Clearance: C3. Rolling Elements: Spherical Roller. Number Of Rows: 2. Cage Material: Steel. Closure Type: Open. Dynamic Load Rating: 27,000 lbf. Static Load Rating: 32,500 lbf. Limiting Speed: 4,500 rpm grease; 5,000 rpm oil. Lubricant: grease or oil. Lubrication Feature: W33 groove and holes in the outer ring.
Minimum Shaft Shoulder Diameter: 2.60 in. Maximum Housing Shoulder Diameter: 3.60 in. Housing Fillet Radius: 0.06 in. Straight bore for direct mounting on a 55 mm shaft.
Current Link-Belt catalog number: 22211LBC3. Related designations at 55 x 100 x 25 mm, straight bore, C3 clearance: SKF 22211 E/C3 (E design), FAG 22211-E1-C3 (E1 design), Timken 22211EJW33C3 (E design), NSK 22211EAE4C3 (EAE4 design), NTN 22211EAD1C3 (EAD1 design). Also written 22211LBW33C3, 22211-LB-W33-C3 and 22211LBC3. CAD model and data sheet: available from Regal Rexnord (regalrexnord.com).
55 mm bore, 100 mm outside diameter and 25 mm width.
Link-Belt rates the 22211LB at 27,000 lbf dynamic and 32,500 lbf static.
4,500 rpm on grease and 5,000 rpm on oil.
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