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2 in stock
Double-row spherical roller bearing, 45 mm straight bore, 85 mm outside diameter, 23 mm wide, open, with a machined brass cage. Sold as one bearing. For heavy radial and shock loads where the shaft or housing runs out of alignment and the application wants a machined cage for shock, vibration or higher-temperature service.
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| MFR / Brand | SKF |
|---|---|
| MPN | 22209M |
| Model | 22209 M |
| Bearing Type | Spherical Roller Bearing, Open |
| ID | 45 mm |
| OD | 85 mm |
| Width | 23 mm |
| Material | Chrome Steel |
|---|---|
| Series | 22200 |
| Condition | New |
| Lubricant | Oil |
| Unspsc | 31171504 |
| Base Number | 22209 |
| Industry Terms | Spherical roller bearing, SRB, brass cage spherical roller, self-aligning roller bearing, double row barrel roller bearing |
| Common Misspellings | 22209 m, 22209-M, 2220 9M, 22209MM, 22209 brass |
| Application Types | Crushers, vibrating screens, mill and quarry drives, hot fans and blowers, conveyors, gearboxes, paper machinery |
| Bore Shaft Size | 45 mm, cylindrical (straight) bore |
| Mpn Variants | 22209M, 22209 M, 22209-M, 22209MB, 22209 MB, 22209MA |
| Manufacturer Status | Envelope current; M machined-cage designation is legacy SKF nomenclature, now catalogued as MB |
| Compatible With Replaces | Any straight-bore 22209 spherical roller bearing position; a machined-cage upgrade over a steel-cage 22209 in the same seat |
| Additional Attributes | Maximum permissible static misalignment approximately 1.5 degrees. Open bearing, grease or oil lubricated. No W33 outer-ring lubrication groove in this designation - relubricate from the side of the housing or through the shaft. |
| Min Temp | -30°C |
| Cage Type | Machined Brass |
| Dynamic Load Rating | 104 kN |
| Static Load Rating | 98 kN |
| Precision Rating | ABEC 1 / P0 |
| Rolling Elements | Spherical Roller |
| Max Temp | 200°C |
| Item Weight | Approximately 0.57 kg |
| Cage Material | Brass |
| Number Of Rows | 2 |
| Bore Type | Straight |
| Snap Ring Included | Without Snap Ring |
| Relubrication Feature | Yes |
| Harmonization Code | 8482.30.0000 |
| Design Units | Metric |
| Internal Clearance | CN |
| Part Number | 22209 M |
| Maximum Permissible Misalignment | 1.5° |
| Cross Reference 1 | FAG 22209-E1-XL-M / 22209 MB |
|---|---|
| Cross Reference 2 | NSK 22209MKE4 (brass-cage line) |
| Cross Reference 3 | NTN 22209M |
| Cross Reference 4 | Koyo 22209RM |
| Cross Reference 6 | SKF 22209 E and 22209 CC/W33 - same envelope and same ratings, pressed steel cage instead of machined brass |
| Cross Reference 7 | FAG 22209-E1-XL, NSK 22209EAE4, NTN 22209BD1 - same envelope, steel cage |
| Cross Reference 8 | Timken / Torrington 22209EJW33, 22209CJ |
| Cross Reference 9 | 22209 K / 22209 CCK variants - same 45 x 85 x 23 envelope but 1:12 tapered bore, dimensional cross-reference only |
A double-row spherical roller bearing on the 22209 envelope — 45 mm bore, 85 mm outside diameter, 23 mm width, with a machined brass cage. Two rows of barrel rollers share one spherical raceway ground into the outer ring, so the whole inner assembly can swivel inside the outer ring. That is what lets this family carry very high radial load on shafts that deflect and in housings whose two seats are not truly in line.
222 – ISO dimension series for spherical roller bearings.
09 – bore reference number; 9 × 5 = 45 mm bore.
M – machined brass cage, roller-riding. The equivalent code in other catalogues is MB or MA depending on which ring guides the cage.
The cage is the whole point of this variant. A machined brass cage is stiffer and much more tolerant of shock loading, vibration and sustained high temperature than a pressed sheet-steel cage, and it does not lose strength the way a polyamide cage does above about 120°C. That is why M and MB bearings turn up in crushers, vibrating screens, mill drives and hot fan bearings. The trade is cost and a slightly heavier rotating assembly.
There is no K in the designation, so the bore is cylindrical: it mounts straight onto a plain 45 mm shaft seat with an interference fit, with no adapter sleeve and no drive-up procedure. There is also no W33 in the designation, so do not plan on relubricating through the outer ring — feed grease from the side of the housing or through the shaft.
Bore: 45 mm, cylindrical
Outside diameter: 85 mm
Width: 23 mm
Rows: 2, barrel rollers
Basic dynamic radial load rating C: 104 kN for the 22209 envelope
Basic static radial load rating C0: 100 kN
Reference speed: 7 500 rpm — limiting speed 10 000 rpm
Cage: machined brass
Closure: open
Mass: approximately 0.57 kg
Priced and supplied as one bearing.
Direct machined-cage equivalents on the same envelope: FAG 22209-E1-XL-K-M and 22209 MB, NSK 22209MKE4 in the brass-cage line, NTN 22209M, Koyo 22209RM, Steyr 22209-C-MB-W33. Steel-cage 22209 E, 22209 CC/W33, FAG 22209-E1-XL and NSK 22209EAE4 share the same 45 x 85 x 23 envelope and the same load ratings and will drop straight into the same seats — carried here as cross-references, with the difference being cage material rather than fit. Tapered-bore 22209 K variants are a dimensional cross-reference only; they need a 1:12 taper or an adapter sleeve.
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