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 — the designation carries no K suffix, which in ISO practice indicates a straight (parallel) bore rather than a 1:12 tapered one. Worth checking physically before you commit, since it is the single detail that decides how the bearing mounts.
VB33J30 — an SNR internal variant code. We could not confirm its meaning against an SNR or NTN-SNR source, so we have not translated it into specifications.

Identity confirmation

The barcode carried on this item, 3413520196264, begins with the 3413520 prefix used by NTN-SNR. That independently corroborates the brand on the record, which is worth noting because brand-field errors are common on surplus bearings and they silently change what you are buying.

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 but leaves no way to adjust internal clearance at assembly. That is why clearance class is chosen at purchase rather than set on the bench, and why it should match the original specification.

Published ratings and mounting data

Dynamic and static load ratings and limiting speeds are deliberately blank. NTN-SNR publishes ratings per exact designation, and the 22232 envelope covers several variants — 22232EAW33, 22232EAKW33, 22232EMKW33 and others — differing by cage type and bore type, with different figures. Until the VB33J30 variant code is resolved we cannot say which set applies, and quoting a neighbouring variant’s numbers would be a guess presented as a specification. Contact NTN-SNR with the full designation if a certified rating is required.

Internal clearance class and the presence or absence of a W33 outer-ring oil groove are likewise unconfirmed on this item. Contact us and we will inspect the bearing and the carton before you order.

Fitting notes

Confirm the bore type first. A straight-bore bearing is mounted by heating — an induction heater is the correct tool — and pressed home against the shaft shoulder; never drive mounting force through the rollers, which brinells the raceways. If inspection shows a tapered bore instead, it must be mounted 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. Match bore type, cage and clearance class, not just the 22232 root. We hold a second 22232 in the same envelope under SNR variant code VKF107 — ask and we will compare the two side by side.