8-1930-000 Series 2

8-1930-000 Series 2 is a main rotor hub assembly designed for Mi-8 family helicopters, including Mi-8T, Mi-8MTV, and other modifications. The unit is a primary load-bearing element of the rotor system and is responsible for transmitting torque from the main gearbox to the rotor blades, as well as controlling blade pitch during flight.

The main rotor hub assembly absorbs and transmits aerodynamic, centrifugal, and inertial loads generated during rotor operation and ensures controlled axial and angular movement of the rotor blades. The design incorporates axial hinge components, damping elements, and blade flapping limitation mechanisms required for safe and stable helicopter operation.

The assembly is used on civil and military transport helicopters of the Mi-8 series and operates as part of the main rotor system under all standard flight regimes, including takeoff, hover, cruise, and landing.

8-1930-000 Series 2 includes upper and lower cones, hub housing, axial hinge components, hydraulic dampers, a compensation reservoir for the hydraulic damping system, bearings, seals, fastening elements, and blade flapping limit components. The hub assembly may be equipped with hydraulic dampers such as type 8-1930-700A.

Purpose: Transmission of torque from the gearbox to the rotor blades and control of blade pitch
Systems: Main rotor system
Application: Mi-8T, Mi-8MTV and other Mi-8 family helicopters
Product Type: Main rotor hub assembly
Designation: 8-1930-000 Series 2 (Ser. 02)
Functional Role: Primary load-bearing unit of the main rotor system
Assembly Composition: Upper cone, lower cone, hub housing, hydraulic damper compensation reservoir, hydraulic dampers, axial hinge components, bearings, seals, fastening and locking elements
Damping Elements: Hydraulic dampers including type 8-1930-700A
Limitation Mechanisms: Centrifugal blade flapping limiter
Operating Mode: Standard operation as part of the main rotor system
Condition: As applicable
Documentation: Operational and overhaul documentation available upon request

All shipments are carried out from our international warehouse in Dubai (UAE), as well as from our partners’ remote warehouses.

In Stock — items available in stock at the Dubai warehouse are dispatched within 5–10 business days after receiving 100% prepayment.

Remote Stock — items available at our partners’ remote warehouses are supplied within an average of 30–45 business days after receiving 100% prepayment.

Pre-Order — made-to-order products are manufactured and delivered within an average of 45–60 business days. Payment terms: 50% advance payment to start production, with the remaining 50% paid before dispatch from the Dubai warehouse after full readiness for shipment.

Returns & Changes (Restocking Fee)
For selected items, a RESTOCKING FEE of 10% may apply in case of return, order cancellation, or changes to the order specifications. This condition applies only to certain products and is confirmed at the order approval stage.

Warranty
All products are covered by a standard 6-month warranty.
Extended warranty is available upon request and is agreed individually; it may affect the final product price.