32960 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 32960 model number is decoded

In SKF catalogue PUB BU/P1 17000, 32960 appears as SKF 32960: an open, single-row tapered roller bearing in the very-light thin section of the 32900 dimension series, supplied with a pressed-steel cage as standard.On the SKF nameplate, 32960 follows the ISO 355 convention: 3 for the tapered-roller type, 29 for the very-light thin section, final digits 60 for the 300 mm bore. The SKF catalogue adds the ISO 355 dimension-series code after the bare number (e.g. 3FD); it is the dimensional series, not a separate part number. The 186 kN Pu figure feeds the adjusted-life equation at contaminated or partial-film conditions, and the 1.99 C0/C balance shows this execution is tuned to thrust-heavy combined loads rather than pure radial running. Fit selection follows the rotating ring — interference on a rotating cone — and two 32960 units are required to take reversing thrust; keep the induced axial load inside the rated capacity when calculating the pair. Operating context for the 300 mm bore: a shaft of this diameter in the xl-bore band typically runs between 240000 and 360000 r/min in real machinery, and the 420 mm outside diameter places the housing shoulder at 428 mm outer abutment; the 76 mm width and 31500 g mass together set the shaft critical speed and the housing resonance check for this 32900-series envelope.

Typical equipment & failure modes

Selection pitfalls — read before you substitute

• At 300 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 329 series at 300 mm bore (420×76 mm) is the very-light thin-section envelope: the smallest OD of any tapered family at this bore, ideal where radial space is severely limited, but capacity is well below a 30260 of the same bore — confirm the L10 life and minimum axial load before choosing it.
• A single 32960 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.
• Do not mix brands or executions inside one 32960 pair — matched sets are ground for a specific setting, and pairing a SKF basic unit with a different suffix variant will not share the setting evenly.
• Shaft and housing fillets must clear the bearing chamfer so the 76 mm-wide cup seats square; use an undercut or withdrawal groove rather than an oversized radius that locks on the ring face.
• The 1126/2240 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 32960 (basic, B steeper angle, Q/J2 clearance variants); they are not interchangeable order numbers — quote the full SKF 32960 designation when purchasing and match the execution to the mounting arrangement.