32024-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 32024-SKF model number is decoded

In SKF catalogue PUB BU/P1 17000, 32024 appears as SKF 32024 X: an open, single-row tapered roller bearing in the low-friction section of the 32000 dimension series, supplied with a pressed-steel cage as standard.Numbering ties the bearing to its envelope: 32024 means tapered-roller type 3, low-friction section series 20, 120 mm bore — which is why the 180×38 mm outline swaps dimensionally with other ISO 355 bearings of the same code. In SKF suffix language a bare 32024 is the standard execution; B marks a larger contact angle and Q or J2 mark clearance/cage variants, all quoted separately. With C 299 kN and C0 415 kN, the 32024 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 3,400 r/min. A single 32024 locates the shaft in one axial direction only; mount it against a second bearing in O (back-to-back) or X (face-to-face) arrangement, and set the running clearance by the mounting procedure — not by feel. Operating context for the 120 mm bore: a shaft of this diameter in the xl-bore band typically runs between 96000 and 144000 r/min in real machinery, and the 180 mm outside diameter places the housing shoulder at 188 mm outer abutment; the 38 mm width and 3300 g mass together set the shaft critical speed and the housing resonance check for this 32000-series envelope.

Typical equipment & failure modes

Selection pitfalls — read before you substitute

• At 120 mm bore the cone mass is high enough that cocking during mounting damages the cage and rib; guide the ring square, confirm seat contact around the full circumference, and re-check setting after the first thermal cycle of the paired set.
• The 320 series at 120 mm bore (180×38 mm) is the low-friction, higher-speed section; it carries less thrust than a 30224 of the same bore, so verify the axial load share before swapping.
• A single 32024 cannot locate the shaft axially in both directions; mounting it singly on a reversing-thrust shaft leaves one direction uncontrolled — always use an O or X matched pair for bidirectional location.
• A single 32024 cannot locate the shaft axially in both directions; mounting it singly on a reversing-thrust shaft leaves one direction uncontrolled — always use an O or X matched pair for bidirectional location.
• Never press both rings through the wrong element during fitting: force for an interference shaft seat goes through the cone only, or brinell marks on the 180 mm cup race release as noise within the first running hours.
• The 299/415 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 32024 (basic, B steeper angle, Q/J2 clearance variants); they are not interchangeable order numbers — quote the full SKF 32024 X designation when purchasing and match the execution to the mounting arrangement.