L570649-610 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 L570649-610 model number is decoded

SKF L 570649/610 belongs to the SKF single-row tapered roller range — the 457.2 mm bore entry in the inch L570600-series, dimensioned 573.088 mm OD and 74.612 mm wide.The L570600-series series assigns 457.2 mm bore, 573.088 mm OD and 74.612 mm width to L570649; 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. In SKF suffix language a bare L570649 is the standard execution; B marks a larger contact angle and Q or J2 mark clearance/cage variants, all quoted separately. The 228 kN Pu figure feeds the adjusted-life equation at contaminated or partial-film conditions, and the 2.49 C0/C balance shows this execution is tuned to thrust-heavy combined loads rather than pure radial running. Note the minimum-axial-load requirement: at light radial load and high speed the rollers of L570649 must still be held into the rib contact, which is another reason the catalogue recommends paired mounting with controlled setting. Load system: the 1205 kN basic dynamic rating C and 3000 kN static rating C0 give a C0/C balance of 2.49, and dividing C by the 457.2 mm bore yields 2.64 kN per millimetre of journal — a density metric that compares across families; the 228 kN fatigue limit Pu is the floor beneath which the adjusted-life calculation drops below acceptable L10 hours for a 457.2 mm shaft carrying variable duty. Cup-side note for 610: the outer ring's rib profile and the 573.088 mm outside diameter are cup-specific within the L570600-series tables, so substituting a different cup against the same L 570649 cone changes both the assembled 74.612 mm width and the axial free-play setting of the mounted pair.

Typical equipment & failure modes

Selection pitfalls — read before you substitute

• At 457.2 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 L570600-series inch series at 457.2 mm bore (573.088×74.612 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 1205 kN rating of L570649, preload class changes stiffness by tens of percent but also heat generation; select light preload for the 900 r/min speed end and heavier preload only where moment stiffness dominates.
• At the 1205 kN rating of L570649, preload class changes stiffness by tens of percent but also heat generation; select light preload for the 900 r/min speed end and heavier preload only where moment stiffness dominates.
• The pressed-steel cage is rated for standard industrial service; sustained running above the limiting speed or with degraded lubricant wears the cage pockets — inspect the cage at every relubrication interval.
• The 1205/3000 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 L570649 (basic, B steeper angle, Q/J2 clearance variants); they are not interchangeable order numbers — quote the full SKF L 570649/610 designation when purchasing and match the execution to the mounting arrangement.