SKF22209CCKW33Spherical Roller Bearing – Tapered 1:12 Bore, 45 mm ID, 85 mm OD, 23 mm Width, Open, CN Clearance, W33 Lubrication Groove

Product Description

What this part is

SKF 22209 CCK/W33 double-row spherical roller bearing, 45 x 85 x 23 mm. Manufacturer: SKF. Manufacturer Part Number: 22209CCKW33. Base Number: 22209. Series: 22200. Bearing Type: Spherical Roller Bearing. Number of Rows: 2. Rolling Elements: Spherical Rollers. Design Units: Metric. Bore: 45 mm. Outside Diameter: 85 mm. Overall Width: 23 mm. Bore Type: Tapered 1:12. Closure Type: Open. Cage Type: Pressed steel, window. Cage Material: Steel. Bearing Material: Chrome Steel. Internal Clearance: CN. Precision Rating: ABEC 1 / P0. Running Accuracy – Radial and Axial Runout: Normal. Unit Quantity: 1 Pc.

Decoding the designation

222 is the dimension series for a double-row spherical roller bearing. CC is the cage and execution code: a pressed steel window cage. K is the bore form: a 1:12 tapered bore. W33 is the lubrication feature: an annular groove machined into the outer ring outside diameter with three radial holes drilled through to the roller path. The searchable forms of the number are 22209CCKW33, 22209 CCK/W33, 22209 CCK W33 and 22209 CC K W33.

What these specs mean in practice

Dynamic Load Rating: 102 kN / 22,931 lbf. Static Load Rating: 98 kN / 22,031 lbf. Limiting Speed: 8,500 rpm. Item Weight: 1.25 lb (0.57 kg). Maximum Temperature: 200°C. Minimum Temperature: −40°C. Two rows of spherical rollers running in a common concave outer raceway carry high radial load and take thrust in both directions, and the roller set swivels within the outer ring so the bearing tolerates shaft-to-housing misalignment without edge loading. CN is the standard radial internal clearance group, set for a normal interference fit on the sleeve. Harmonization Code: 8482.30.00.

Lubrication feature

Lubricant: Grease or oil. Relubrication: Yes, through the W33 provision. The groove distributes lubricant circumferentially around the outer ring and the three radial holes carry it inward to the rolling elements, so the roller path is fed from the outside diameter rather than through the ring faces. The same passages serve a grease gun, a single-point lubricator, a centralised grease line, a circulating-oil system or oil mist.

Bore form and mounting

The 1:12 tapered bore mounts on an adapter sleeve. Compatible adapter sleeve: SKF H309, which seats on a 40 mm shaft and presents a 45 mm tapered outside diameter to match this bore. Driving the bearing up the sleeve taper sets the radial internal clearance by measurement rather than by shaft tolerance, and the assembly clamps with a KM locknut and MB lockwasher.

Quantity and configuration

Unit Quantity: 1 Pc. One complete bearing: inner ring, two rows of rollers with their cages, and the outer ring with the W33 groove and holes. The adapter sleeve is a separate part number.

Interchange guidance

Cross-Reference 1: FAG 22209-E1-K. Cross-Reference 2: NSK 22209EAKE4. Both are the same 45 x 85 x 23 mm envelope with a 1:12 tapered bore and a lubrication groove. Cage execution and load ratings differ between makers, so take the rating from the designation actually fitted.