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STEAM AK55042

The STEAM AK55042 is a precision CNC-machined 6061T6 aluminum FBL metal swashplate assembly for the AK550 helicopter. Designed for demanding flight loads, it combines angular-contact and spherical bearings with 3.0mm ball-stud threads. Supplied components include inner and outer plates, bearings, retaining hardware, ball studs, washers and screws.

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Product overview

The STEAM AK55042 is an FBL metal swashplate assembly for the AK550 helicopter. Precision CNC machining in 6061T6 aluminum alloy provides a strong, accurately formed structure for demanding flight loads and improved flight stability and control. Its outer plate uses a double-row angular-contact bearing, while the inner plate uses a high-precision spherical bearing. All ball-stud threads are enlarged to 3.0mm to reduce the stripping and damage associated with smaller threads and accommodate large-helicopter swashplate loads.

The assembly is supplied with one outer swashplate, one inner swashplate, a metal inner cover for the outer swashplate bearing, and a metal spherical-bearing retaining plate. One spherical bearing and one standard bearing are included. Linkage hardware comprises four short inner swashplate ball studs, two short outer swashplate ball studs and one long outer swashplate ball stud, each with M3.0×4.0mm threads. Three metal washers, five M2.0×5 mm socket-head cap screws and four M2.0×4 mm socket-head cap screws complete the supplied hardware.

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Specifications

STEAM AK55042 specifications
SpecificationValue & conditions
ProductSTEAM AK55042 AK550 FBL metal swashplate assembly
Helicopter compatibilityAK550 helicopter
Material and manufacture6061T6 aluminum alloy, precision CNC machined
Structural and control functionPrecision construction and structural strength for demanding flight loads, improving flight stability and control performance
Bearing arrangementOuter plate: double-row angular-contact bearing; inner plate: high-precision spherical bearing
Ball-stud threadsAll ball-stud threads enlarged to 3.0mm to reduce stripping and damage associated with smaller threads
Included outer swashplateΦ42.5×Φ35.0×13.5mm; quantity 1
Included inner swashplateΦ32.5×Φ12.0×11.0 mm; quantity 1
Included outer swashplate bearing metal inner coverΦ32.5×Φ15.5×3.0 mm; quantity 1
Included spherical bearing metal retaining plateΦ20.5×Φ17.0×2.0 mm; quantity 1
Included spherical bearingΦ10.0×Φ19.0×9.0mm×6.0mm; quantity 1
Included standard bearingΦ30.0×37.0×4.0mm; quantity 1
Included short inner swashplate ball studsΦ5.0×10.5 mm (M3.0×4.0mm); quantity 4
Included short outer swashplate ball studsΦ5.0×16.5 mm (M3.0×4.0mm); quantity 2
Included long outer swashplate ball studΦ4.7×30.6mm (M3.0×4.0mm); quantity 1
Included metal washersΦ2.0×Φ7.5×1.3mm; quantity 3
Included M2.0×5 mm socket-head cap screwsM2.0×5 mm; quantity 5
Included M2.0×4 mm socket-head cap screwsM2.0×4 mm; quantity 4

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