SNR22232.V.B33J30Spherical Roller Bearing 160x290x80 mm, Double Row, Self-Aligning, Straight Bore, ISO 222 Series

Product Description

What this part is

A double-row spherical roller bearing, 160 mm bore, 290 mm outside diameter, 80 mm width. The outer ring carries a single spherical raceway, letting the roller-and-inner-ring assembly swivel inside it. SNR is the French bearing manufacturer now trading as NTN-SNR.

Decoding the designation

222 — the ISO 222 dimension series, the wider and higher-capacity of the common spherical series.

32 — ISO bore code 32, giving a 160 mm bore. So 22232 describes the 160 x 290 x 80 mm envelope, which agrees with the dimensions recorded for this item.

No K suffix — in ISO practice a designation without a K suffix denotes a straight (parallel) bore rather than a 1:12 tapered one.

B33 — an annular groove in the outer ring outside diameter with three radial feed holes, which take grease or oil from the housing lubrication port to the rolling elements.

J30 — C3 internal clearance, greater than normal.

Identity confirmation

The barcode carried on this item, 3413520196264, begins with the 3413520 prefix used by NTN-SNR. That independently corroborates the brand recorded on this listing.

What these specs mean in practice

Spherical roller bearings accommodate several tenths of a degree of misalignment between shaft and housing without edge-loading the rollers, while carrying very high radial load for their size. That combination makes them the default for long shafts that deflect under load, split or separately-machined housings, and equipment mounted on structures that flex — conveyors, fans, crushers, screens, mill drives.

A straight-bore spherical bearing is an interference fit directly on the shaft, which makes it simpler to fit than a tapered-bore version. Internal clearance on a straight-bore bearing is fixed by the clearance class selected at purchase rather than set at assembly, so the clearance class is matched to the original specification.

Fitting notes

A straight-bore bearing is mounted by heating — an induction heater is the correct tool — and pressed home against the shaft shoulder, with mounting force applied through the ring that is an interference fit rather than through the rollers, which protects the raceways from brinelling. A tapered-bore bearing mounts by controlled drive-up on a taper seat or adapter sleeve, measured as radial clearance reduction or axial advance.

Interchange guidance

ISO base number 22232. Current NTN-SNR equivalents include 22232EAW33 for a straight bore and 22232EAKW33 for a tapered bore, with EM and EMK variants carrying a machined brass cage. Bore type, cage and clearance class are matched alongside the 22232 root, not by the root alone. A second SNR 22232 in the same envelope exists under variant code VKF107, listed separately under SKU B-EB6#T9WLQR.