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Timing Belt Pulleys and V-Belt Sheaves: Matching Belt Drive Components Correctly
Belt drives may appear simple, consisting of two wheels and a belt for power transfer.
Availability:
2 in stock
Torrington 22211KW33 double-row spherical roller bearing, 55 x 100 x 25 mm, 1:12 tapered bore, W33 lube groove and holes, CN clearance. Mounts on H311 sleeve.
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| MFR / Brand | Torrington |
|---|---|
| MPN | 22211KW33 |
| Model | 22211 K W33 F4 |
| Bearing Type | Spherical Roller Bearing, Open |
| ID | 55 mm |
| OD | 100 mm |
| Width | 25 mm |
| Material | Chrome Steel |
|---|---|
| Series | 22200 |
| Base Number | 22211 |
| Industry Terms | spherical roller bearing; tapered bore; W33; 222 series |
| Common Misspellings | 22211KW-33; 22211 KW33; Torington 22211KW33; 55SD-22 |
| Application Types | Conveyor pulleys; bucket elevators; vibrating screens; crushers |
| Bore Shaft Size | 55 mm tapered bore (1:12), H311 sleeve on 50 mm shaft |
| Locking Method | Adapter sleeve H311 with KM11 locknut and MB11 lockwasher |
| Mpn Variants | 22211KW33; 22211-K-W33-F4; 22211KW33F4; 55SD22; 22211K |
| Manufacturer Status | Torrington bearings passed to Timken in Feb 2003 |
| Compatible With Replaces | Successor Timken 22211KEJW33; sleeve H311 |
| Rolling Elements | Spherical Roller |
| Number Of Rows | 2 |
| Bore Type | Tapered |
| Snap Ring Included | Without Snap Ring |
| Harmonization Code | 8482.30.00.40 |
| Part Number | 22211KW33 |
| Cross Reference 1 | Timken 22211KEJW33 (successor, E design) |
|---|---|
| Cross Reference 2 | SKF 22211 EK (E design, higher ratings) |
| Cross Reference 3 | FAG 22211-E1-XL-K (E1-XL design, higher ratings) |
| Cross Reference 4 | NSK 22211EAKE4 (EA design, higher ratings) |
| Cross Reference 5 | NTN 22211EAKW33 (EA design, higher ratings) |
| Cross Reference 6 | RHP 22211EKJW33 (E design, higher ratings) |
| Cross Reference 7 | Link-Belt 22211LBK |
Torrington 22211KW33 double-row spherical roller bearing, 55 mm bore x 100 mm outside diameter x 25 mm wide, ISO 222 dimension series, with a 1:12 tapered bore and an outer-ring lubrication groove with three holes. Unit Quantity: 1 Pc. Complete bearing: inner ring with both roller rows and cage, plus the outer ring.
222 — double-row spherical roller bearing, dimension series 22.
11 — bore code for a 55 mm bore.
K — tapered bore, taper ratio 1:12.
W33 — annular lubrication groove around the outer ring plus three lubrication holes through it.
No clearance suffix — Normal (CN) radial internal clearance.
55SD22 — legacy Torrington designation carried on the carton, together with an F4 marking.
Bore Diameter: 55 mm. Outside Diameter: 100 mm. Overall Width: 25 mm. Series: 222. Bore Type: Tapered 1:12. Number Of Rows: 2. Rolling Elements: Barrel rollers. Closure Type: Open. Internal Clearance: CN. Lubrication: outer-ring groove and three holes (W33).
Timken, which acquired Torrington in 2003, publishes these figures for the 22211KEJW33 that succeeds this bearing: Dynamic Load Rating: 140,000 N (31,400 lbf). Static Load Rating: 142,000 N (31,900 lbf). Thermal Reference Speed: 5,800 rpm on oil, 4,700 rpm on grease. Mass: 0.81 kg.
Bore Type: Tapered 1:12. Adapter sleeve: H311, for a 50 mm shaft, supplied with KM11 locknut and MB11 lockwasher. Withdrawal sleeve: AHX311, for a 55 mm seat.
Current Timken successor: 22211KEJW33. Tapered-bore 22211 crosses with higher-rated E designs: SKF 22211 EK, FAG 22211-E1-XL-K, NSK 22211EAKE4, NTN 22211EAKW33, RHP 22211EKJW33, and Link-Belt 22211LBK. All mount on the same H311 adapter sleeve. The straight-bore 22211 has the same envelope and mounts directly on a 55 mm shaft. 22211KW33C3 is the same bearing in C3 clearance.
A 1:12 tapered bore, given by the K in the designation.
The H311 adapter sleeve, for a 50 mm shaft.
An annular lubrication groove around the outer ring plus three lubrication holes.
American manufacturers are sitting on a lot of stuff. The
Belt drives may appear simple, consisting of two wheels and a belt for power transfer.
Tapered, cylindrical, and spherical roller bearings all solve the same basic problem, carrying more load
If you pulled a bearing off general industrial equipment at random, there’s a good chance
Our team can locate, cross-reference, and source all parts.
Our team can locate, cross-reference, and source all parts.
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