32212-SKF bearing: complete specifications & equivalents

Specification table

Source: catalog reference (SKF PUB BU/P1 17000/1 EN (Oct 2018), ch. 8.1 metric single-row TRB) · extracted 2026-09-28

Parameters extracted from the official SKF Rolling Bearings catalogue (SKF PUB BU/P1 17000/1 EN (Oct 2018), ch. 8.1 metric single-row TRB); SKF® and SKF Explorer® are trademarks of AB SKF, used here for identification only — mpnbase is not an authorized SKF distributor. Boundary dimensions are ISO 15 interchangeable; current production values may differ, verify at skf.com.

Cross references & equivalents

Interchange levels: full standard interchange · partial verify parameters · verify manual confirmation required. Links resolve to the equivalent model's specification page where available.

How the 32212-SKF model number is decoded

The SKF 32212 is a 60×110×29.75 mm single-row tapered roller bearing — the heavy section entry in the 32200 series, with an asymmetric raceway cut for thrust capacity and separable mounting.Digit by digit, 32212 reads as bearing type 3 (single-row tapered roller), heavy section series 22, and bore reference 12 resolving to 60 mm; 110 mm OD and 29.75 mm width are the matching ISO 355 boundary values. In SKF suffix language a bare 32212 is the standard execution; B marks a larger contact angle and Q or J2 mark clearance/cage variants, all quoted separately. With C 155 kN and C0 160 kN, the 32212 pair-sizing check is dominated by the axial share: keep the equivalent load P below the rating at the required L10, remembering one bearing alone cannot cover reversing thrust at 6,000 r/min. Fit selection follows the rotating ring — interference on a rotating cone — and two 32212 units are required to take reversing thrust; keep the induced axial load inside the rated capacity when calculating the pair. Journal and housing interface: the 60 mm bore takes a k5 shaft seat (upper deviation ~0.120 mm for this diameter range) and the 110 mm outside diameter pairs with an H7 housing bore tolerance band of 110.000/110.020 mm; the 29.75 mm width defines the shoulder depth, and the 1150 g cone-plus-cup assembly is the dead load on the shaft during thermal expansion calculations.

Typical equipment & failure modes

Selection pitfalls — read before you substitute

• Mount the 60 mm bore 32212 by induction heating of the cone (max 120 °C — the pressed-steel cage sets the ceiling, not the steel); driving it home through the cup or rollers brinells the tapered raceway.
• The 322 series at 60 mm bore (110×29.75 mm) is a wider, higher-capacity section than 30212; do not substitute without re-checking shaft shoulder diameters and pair setting.
• O (back-to-back) pairs are stiffer against moments, X (face-to-face) pairs tolerate misalignment and thermal growth better; choosing the arrangement from the 2D drawing rather than the actual shaft thermal expansion is a common 32212 mounting error.
• Setting is a design value, not an assembly feel: excessive preload in the 32212 pair raises operating temperature and can trigger thermal runaway, while too little lets the rollers skid and smear the raceway under light load.
• The 32212 shares its ISO 355 envelope with other tapered bearings of the same code but is not a drop-in replacement for a ball bearing: it cannot run effectively under pure radial load without a minimum axial load, and a deep-groove bearing cannot replace its combined-load duty.
• The 155/160 kN ratings are SKF catalogue 17000 values for the basic execution; SKF can revise internal geometry without changing the order number, so keep the catalogue version (PUB BU/P1 17000/1 EN, 2018) with the specification and re-verify for critical drives.
• SKF lists several executions of 32212 (basic, B steeper angle, Q/J2 clearance variants); they are not interchangeable order numbers — quote the full SKF 32212 designation when purchasing and match the execution to the mounting arrangement.