SNR22224.EA.B33.J30Spherical Roller Bearing – Double Row, Straight Bore, 120 mm ID, 215 mm OD, 58 mm Width, Open, W33 Lubrication Groove, C3 Internal Clearance

Product Description

What this part is

SNR 22224.EA.B33.J30 double-row spherical roller bearing. Series: 22200. Base Number: 22224. Bore: 120 mm (4.7244 in). Outside Diameter: 215 mm (8.4646 in). Overall Width: 58 mm (2.2835 in). Number Of Rows: 2. Rolling Elements: Spherical Roller. Bore Type: Straight (cylindrical). Closure Type: Open both faces. Cage Material: Pressed Steel. Cage Type: Pressed. Internal Clearance: C3. Precision Class: ABEC 1 / ISO P0. Bearing Material: Through-hardened bearing steel. Item Weight: 20.2 lb (9.16 kg). Design Units: Metric. Unit Quantity: 1 Pc. GTIN: 3413520281311.

Decoding the designation

222 is the double-row spherical roller medium width series. The bore code 24 gives a 120 mm bore. EA marks the reinforced high-capacity execution with a pressed steel cage. There is no K, so the bore is straight cylindrical. B33 is the SNR form of the W33 lubrication feature. J30 is the SNR clearance code for C3.

What these specs mean in practice

The sphered outer raceway takes up angular misalignment between two shaft supports, so a long shaft carried in two separate housings runs without edge-loading the raceways. Both roller rows carry heavy radial load and take thrust in either direction. Dynamic Load Rating: 610 kN (137,133 lbf). Static Load Rating: 705 kN (158,490 lbf). Limiting Speed: 3800 rpm. Maximum Operating Temperature: 200°C. C3 clearance covers the running clearance consumed by an interference inner-ring fit and by a shaft running hotter than its housing, the usual condition in gearbox and conveyor service.

Lubrication feature

Relubrication: B33 — an annular groove machined in the outer ring outside diameter with three radial holes through to the rolling elements, the SNR equivalent of W33. Lubricant: grease or oil. The groove distributes lubricant circumferentially around the outer ring and the three radial holes carry it inward to the centre of the roller path.

Bore form

Bore Type: Straight, 120 mm cylindrical. The bearing seats directly on the shaft journal, with no adapter sleeve in the mounting.

Quantity and configuration

Unit Quantity: 1 Pc. One complete double-row spherical roller bearing, open on both faces.

Interchange guidance

Straight bore, the W33 lubrication feature and C3 clearance together define the interchange. Cross-Reference: SKF 22224 E/C3W33, FAG 22224-E1-XL-C3, NSK 22224EAE4C3, Timken 22224EJW33C3, Koyo 22224RHW33C3, NTN 22224EAD1C3, RHP 22224W33C3. The 22224 K is a related size on the same envelope with a 1:12 tapered bore, which mounts on an H324 adapter sleeve and is a different mounting. Harmonization Code: 8482.30.00.40.