32005-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 32005-SKF model number is decoded

For a 25 mm shaft carrying combined load, SKF lists 32005 under catalogue execution SKF 32005 X: one open single-row tapered roller bearing in the low-friction section of the 32000 family.The code breaks down as type prefix 3 (tapered roller), series 20 (the low-friction section), and bore code 05 = 25 mm; dimensions 25×47×15 mm therefore match the ISO 355 envelope. In SKF suffix language a bare 32005 is the standard execution; B marks a larger contact angle and Q or J2 mark clearance/cage variants, all quoted separately. With C 33.2 kN and C0 32.5 kN, the 32005 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 14,000 r/min. Because the contact line is tapered, one 32005 reacts thrust in a single direction; bidirectional shafts need an O or X pair, and a rotating cone on a 25 mm shaft typically takes a k5 seat with an H7 housing bore. Material and manufacturing detail: the 110 g catalogue mass reflects through-hardened bearing steel (density ~7.85 g/cm³) machined to the 32000 ISO envelope, with the pressed-steel cage contributing roughly 3 g of the total; the 25 mm bore is ground to IT5 roundness and the 47 mm OD to IT5 cylindricity, and the 15 mm width tolerance keeps the pair-setting scatter within the ISO preload class.

Typical equipment & failure modes

Selection pitfalls — read before you substitute

• At a 25 mm bore the thin cone and cup are easily distorted by an over-tight shaft nut; check seat runout (target Ra ≤ 0.8 µm) and torque the locknut progressively — a pinched 32005 shows up as gearbox vibration long before it fails.
• The 320 series at 25 mm bore (47×15 mm) is the low-friction, higher-speed section; it carries less thrust than a 30205 of the same bore, so verify the axial load share before swapping.
• 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 32005 mounting error.
• Setting is a design value, not an assembly feel: excessive preload in the 32005 pair raises operating temperature and can trigger thermal runaway, while too little lets the rollers skid and smear the raceway under light load.
• Catalogue reference speed and limiting speed are different limits: the 12,000 r/min reference is a thermal criterion under load, while the 14,000 r/min limiting value is the mechanical ceiling — observe both.
• The 33.2/32.5 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 32005 (basic, B steeper angle, Q/J2 clearance variants); they are not interchangeable order numbers — quote the full SKF 32005 X designation when purchasing and match the execution to the mounting arrangement.