Aerospace & defence fixtures

233-25-2500-FF Triple-Row Roller Slew Ring, Internal Gear

Name: 233-25-2500-FF Three-Row Roller Internal Gear Slewing Bearing
Brand: SLS

Heavy-duty three-row roller slewing bearing specified for engine mounting, tilting and 360° rotation fixtures in aerospace integration platforms. Supplied as the specified model or an equivalent with identical dimensions and equal or higher static and dynamic load capacity.

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Reference drawing — final approval drawing shared before order.

233-25-2500-FF slew ring assembly drawing for aerospace engine fixture, Ø2681 mm — Slew ring assembly — ring with servo motor, brackets and tie rods.

Aerospace engine tilting fixture using 233-25-2500-FF slewing bearing — Engine fixture — gearbox motor tilts the engine 90°, with mechanical stopper and wheels.

Specifications

Model	233-25-2500-FF (or equivalent)
Type	Three-row roller, internally toothed slew ring
Outer diameter Da	2681 mm
Inner diameter Di	2214 mm
Height H	147 mm
Outer ring bolt circle La	2615 mm · 54 holes
Inner ring bolt circle Li	2375 mm · 54 holes
Gear	Internal, module 18, pitch circle ≈ 2232 mm
Lubrication	Grease, 12 lube points
Static / dynamic load ratings	As per drawing — shared with quotation
Quantity per fixture	1 (slew ring assembly)

Why three-row roller

Separate roller rows carry axial, radial and tilting-moment loads independently — the stiffest slew ring design for heavy, precise rotation.

Fixture use

Engine mounted by tie rods at 120°, rotated 360° at 2–3°/sec by motor and tilted up to 90° in plummer blocks.

Documentation

Guarantee certificate, dimensional and material reports, and approval drawing supplied for tender compliance.

Values read from the reference drawing; please confirm critical dimensions with us before ordering.