TORRINGTON22211CJW33Double-Row Spherical Roller Bearing – Straight Bore, 55 mm ID, 100 mm OD, 25 mm Width, Open, W33 Lubrication Groove, Steel Cage, CN Clearance

Product Description

What this part is

Torrington 22211CJW33 double-row spherical roller bearing, 222 series, 55 mm bore x 100 mm outside diameter x 25 mm width. Bore: 55 mm. Outside Diameter: 100 mm (3.937 in). Overall Width: 25 mm (0.9843 in). Bore Type: Straight, cylindrical. Number Of Rows: 2. Rolling Elements: Spherical rollers. Closure Type: Open. Cage Material: Steel. Cage Type: Two-piece window. Internal Clearance: CN, Timken class C0, normal. Precision Class: ABEC 1, ISO normal. Permissible Misalignment: 1.5°. Relubrication Feature: W33, an annular groove in the outer ring outside diameter with three radial holes. Design Units: Metric. Material: Chrome steel.

Decoding the designation

222: the double-row spherical roller series. 11: the bore code, giving 55 mm. CJ: two-piece steel window cage. Timken’s own nomenclature states that EJ bearings supersede CJ and VCSJ bearings, and defines EJ as a two-piece steel window-type cage. W33: an annular lubrication groove in the outer ring outside diameter with three radial holes through to the rollers, described by Timken as three holes and groove in O.D. No K appears in the designation, so the bore is straight and cylindrical. Searchable variants: 22211-CJ-W33, 22211 CJ W33, 22211CJ, 22211W33.

What these specs mean in practice

Two rows of barrel-shaped rollers run in a common spherical outer raceway, so the inner ring, rollers and cage swivel as an assembly relative to the outer ring. That gives 1.5° of permissible misalignment and makes the bearing tolerant of shaft deflection and housing bore misalignment. Because both rows are angled, a double-row spherical roller bearing carries thrust in either direction as well as heavy radial load. The W33 groove distributes lubricant circumferentially around the outer ring and its three radial holes carry it inward to the rolling elements; the same passages take grease or oil, so the feature suits a grease gun, a single-point lubricator or a circulating-oil system equally. Axial load factors: e 0.23, Y 2.95 where the axial load is at or below e times the radial load and 4.40 above it, Y0 2.89. Geometry factor Cg: 0.052. Internal Clearance: CN, the normal class, which is correct on a clearance-set bearing. Lubricant: grease or oil.

Quantity and configuration

Unit Quantity: 1 Pc. Straight-bore execution, which mounts directly on a cylindrical shaft seat.

Fitting notes

Maximum Shaft Fillet Radius: 1.5 mm (0.060 in). Shaft Backing Shoulder Diameter: 66.0 mm (2.600 in). Housing Backing Shoulder Diameter: 91.0 mm (3.600 in).

Interchange guidance

Timken’s current designation for this bearing is 22211EJW33. Same-envelope designations from other makers: SKF 22211 E, FAG 22211-E1-XL, NSK 22211EAE4. Related part in the same series: the 22211K, which shares the 55 x 100 x 25 mm envelope with a 1:12 tapered bore and mounts on an H311 adapter sleeve.