SL185024 bearing: complete specifications & equivalents

Specification table

Source: catalog reference (HR1 2026-09-25) · extracted 2026-09-30

Parameters extracted from the official FAG Rolling Bearings catalogue (HR1 2026-09-25); FAG® is a trademark of Schaeffler Technologies AG & Co. KG, used here for identification only — mpnbase is not an authorized FAG/Schaeffler distributor. Boundary dimensions are ISO 15 interchangeable; current production values may differ, verify at schaeffler.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 SL185024 model number is decoded

envelope 120×180×80 mm with a 30.0 mm radial section; every available circumferential space carries a roller because there is no cage C is 510 kN and C0 850 kN; with a C/C0 ratio of 0.60 the 80 mm-wide full complement concentrates on extreme static and steady radial capacity rather than speed the fatigue load limit Cur is 119 kN, the limiting speed 2,160 r/min and the thermal reference speed 1,530 r/min — full-complement roller-to-roller contact keeps both speeds well below caged cylindrical bearings of the same size the dynamic rating is 4.25 kN per millimetre of the 120 mm bore and 6.38 kN per millimetre of the 80 mm width, figures that explain the use of this bearing in compact, heavily loaded gearbox positions mass is 6.77 kg (6770 g) (0.47 g per mm² of the 180×80 mm envelope); the stiff, thick rings keep raceway deformation low under peak loads with a 120 mm bore this is a heavy-industrial bearing: 6.77 kg of stiff ring and roller set, specified where rigidity matters more than speed Two cageless roller rows inside the 180×80 mm envelope give C 510 kN and C0 850 kN — among the highest radial capacities available at the 120 mm bore SL1850 denotes the double-row full-complement semi-locating bearing: two roller rows share the 120 mm bore, and the arrangement guides the shaft axially in one direction while allowing displacement s in the other Typical applications include construction machinery slewing drives, material handling conveyor pulleys and planetary gear bearing positions, where the 180 mm outside diameter and 510 kN dynamic rating match the duty. In construction machinery slewing drives the unit fits a compact 120 mm seat, and in material handling conveyor pulleys the 6.77 kg mass is part of the rotor inertia calculation. Designers also specify it for planetary gear bearing positions, relying on the 80 mm width and the published 850 kN static rating. Use the rib structure correctly: SL18/SL1850 give one-direction axial guidance, SL0149 locates both ways and SL0249 floats — pairing two locating bearings on one shaft binds thermal growth. There is no cage: do not apply caged-bearing speed rules — the printed limiting speed is a hard kinematic ceiling set by roller-to-roller contact.

Typical equipment & failure modes

Selection pitfalls — read before you substitute

• Use the rib structure correctly: SL18/SL1850 give one-direction axial guidance, SL0149 locates both ways and SL0249 floats — pairing two locating bearings on one shaft binds thermal growth.
• There is no cage: do not apply caged-bearing speed rules — the printed limiting speed is a hard kinematic ceiling set by roller-to-roller contact.
• The split outer ring of SL0149 is joined by retaining rings for handling only; never use those rings as a thrust face in the design.