HH221449-410 bearing: complete specifications & equivalents

Specification table

Source: catalog reference (SKF PUB BU/P1 17000/1 EN (Oct 2018), ch. 8.2 inch 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. 8.2 inch 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 HH221449-410 model number is decoded

HH221449 is a single-row tapered roller bearing in the HH221400-series inch series: a separable cone-and-cup design for combined radial and one-direction axial load, listed by SKF in SKF catalogue PUB BU/P1 17000.The HH221400-series series assigns 101.6 mm bore, 190.5 mm OD and 57.15 mm width to HH221449; the cone and cup references are not interchangeable with other inch-series pairs even when the bore matches, because the cup profile and rib geometry are series-specific. SKF lists the plain number as the basic execution; letter suffixes such as B denote a steeper contact angle and are different order numbers. Catalogue mass 7000 g for the 101.6×190.5×57.15 mm open execution covers the pressed-steel cage and standard roller complement; sealed or special-clearance variants differ slightly in mass and carry their own order numbers. Note the minimum-axial-load requirement: at light radial load and high speed the rollers of HH221449 must still be held into the rib contact, which is another reason the catalogue recommends paired mounting with controlled setting. Journal and housing interface: the 101.6 mm bore takes a m6 shaft seat (upper deviation ~0.203 mm for this diameter range) and the 190.5 mm outside diameter pairs with an H7 housing bore tolerance band of 190.5.000/190.520 mm; the 57.15 mm width defines the shoulder depth, and the 7000 g cone-plus-cup assembly is the dead load on the shaft during thermal expansion calculations. Why the cup reference matters here: in the HH221400-series tables the HH 221449 cone appears against several cup options. HH221449 is the pairing with 410, and that choice — not the cone — fixes the 190.5 mm OD, the raceway track position and the 57.15 mm assembled width.

Typical equipment & failure modes

Selection pitfalls — read before you substitute

• Mount the 101.6 mm bore HH221449 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 HH221400-series inch series at 101.6 mm bore (190.5×57.15 mm) follows the Timken cone/cup convention; substitutions must match both the cone and cup reference exactly — interchanging with another series or a metric 3xxxx bearing of the same bore changes OD, width and contact angle, so re-run the pair setting and shoulder-diameter checks before swapping.
• At the 537 kN rating of HH221449, preload class changes stiffness by tens of percent but also heat generation; select light preload for the 3,400 r/min speed end and heavier preload only where moment stiffness dominates.
• Do not mix brands or executions inside one HH221449 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.
• 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 190.5 mm cup race release as noise within the first running hours.
• The 537/630 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 HH221449 (basic, B steeper angle, Q/J2 clearance variants); they are not interchangeable order numbers — quote the full SKF HH 221449/410 designation when purchasing and match the execution to the mounting arrangement.