YEL-205-2RF-VL065 bearing: complete specifications & equivalents

Specification table

Source: catalog reference (SKF PUB BU/P1 17000/1 EN (Oct 2018)) · extracted 2026-09-28

Parameters extracted from the official SKF Rolling Bearings catalogue (SKF PUB BU/P1 17000/1 EN (Oct 2018)); 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 YEL-205-2RF-VL065 model number is decoded

YEL 205-2RF/VL065 is SKF's 25 mm-bore eccentric-locking-collar insert bearing with the inner ring extended on both sides in the YEL2 series — a Y-bearing with a spherically ground outside surface for static self-alignment inside a matching SKF Y-housing, boundary dimensions 25x52x34.9 mm. The deep-groove ball set is built into an extended inner ring carrying a separate eccentric locking collar; turning the collar against its eccentric seat pinches the shaft, and the sphered outer ring self-aligns in the housing. the YEL prefix identifies the eccentric-locking-collar design: a separate eccentric collar turns against a matching eccentric on the extended inner ring to pinch the shaft, extended both sides. the size code 205 carries the usual bore arithmetic — 25 mm — while the leading 2 marks the ISO 15 diameter series 2 sphered-OD envelope. /VL065 means the inner-ring bore and side faces are zinc coated: corrosion protection on the shaft seating and abutment faces without changing the seal package or the carbon-steel outer ring. Envelope 25x52x34.9 mm (0.984x2.047x1.374 in), outer ring 15 mm wide, C 14 kN, C0 7.8 kN, Pu 0.335 kN. Mounted width B1 44.4 mm includes the eccentric collar. The catalogue publishes a single speed ceiling, the limiting speed: 4,300 r/min; mass 250 g. The s1 26.9 mm dimension is printed for the locking zone — the set-screw/collar seating reference — and it is verified at mounting, not recoverable from d/D/B alone. At the printed limiting speed of 4,300 r/min the mean diameter dm = 38.5 mm implies dn about 1.66x10^5 mm.r/min — the speed-demand figure used when comparing this insert with open deep-groove sizes of the same bore. Bore-to-OD planning: OD 52 over bore 25 is a 2.08x step, while bore/overall-width gives 0.716; the spherical seat in the matching Y-housing must be specified to the 52 mm OD, not to a cylindrical housing bore. Pitch-diameter arithmetic: dm = (25+52)/2 = 38.5 mm; at the 4,300 r/min limiting speed the ball set runs at dn approx 1.66x10^5, reduced from an open bearing mainly by seal lip friction and the life-long grease fill. Width accounting: B1 44.4 mm covers the bearing WITH its eccentric locking collar against 34.9 mm for the bearing itself and 15 mm outer-ring width; housing axial space is drawn to B1, seal replacement space to B. Sealed zinc-coated collar note: VL065 covers the inner-ring bore and side faces under the -2RF seal set; the galvanized bore is slightly larger after coating, so use shafts in the lower half of the SKF tolerance band to avoid a skrink-fit that prevents collar removal. Direction rule for YEL-205-2RF-VL065: the eccentric collar self-tightens in the shaft's running direction, so mark rotation at mounting; the 25 mm shaft must be free of burrs under the collar or the eccentric cannot bed flat.

Typical equipment & failure modes

Selection pitfalls — read before you substitute

• Overall width 44.4 mm includes collar space — a housing sized for a grub-screw insert of the same OD can be too narrow axially for the YEL collar.
• Never pin or weld the eccentric collar: the controlled eccentric friction is the locking principle, and pinning turns a demountable insert into a shaft-replacement job.
• The eccentric collar is handed to running direction; fit it wrong on the 25 mm shaft and self-tightening becomes self-loosening. Mark the shaft rotation before stripping any YEL2 collar unit.
• The 14/7.8 kN figures belong specifically to YEL 205-2RF/VL065; HV stainless, AG agricultural and VE495 zinc-plated variants of the same envelope publish derated values, so write the complete order number including suffixes on the purchase and maintenance records.