Steering Actuator (dual)

Assembly

Stator Winding of a BLDC Motor.jpg · Commons ↗ Report photo

Pair of double-acting hydraulic rams or rotary vane motors mechanically linked to rotate the rudder tiller.

Direct parts	7
Total parts	15
Used in	1 assembly
Class	Assembly

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Pair of double-acting hydraulic rams or rotary vane motors mechanically linked to rotate the rudder tiller. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Steering Actuator (dual) parts and their functions

7 top-level parts · 15 parts in total · full bill of materials below

Steering Actuator (dual) parts diagram: 1 hydraulic steering ram, 2 ram cylinder head, 3 ram piston rod, 4 steering ram piston, 5 o-ring set, 6 ball bearing, 7 fastener set. 15 parts in 7 top-level items. — Steering Actuator (dual) parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.

#	Part	Qty	What it does
1	Hydraulic Steering Ram	2×	Double-acting hydraulic ram, bore 80–120 mm, stroke 400–600 mm
2	Ram Cylinder Head	2×	Ductile iron pressure vessel head with integral porting
3	Ram Piston Rod	2×	Hard-chrome plated steel rod 50–80 mm diameter
4	Steering Ram Piston	2×	Aluminum piston with integrated rod seal cavity
5	O-Ring Set	4×	Nitrile and PTFE backup rings for piston and rod seals
6	Ball Bearing	2×	Needle roller bearing for rod/pin joints
7	Fastener Set	1×	M16–M20 clevis pins and cotter pins for ram end connections

3D model

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Build & assembly graph

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Bill of materials for Steering Actuator (dual)

7 top-level lines · 7 rows shown · 15 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Hydraulic Steering Ram	steering-gear-marine-ram	2×	2	·	part
2	Ram Cylinder Head	steering-gear-marine-ram-housing	2×	2	·	part
3	Ram Piston Rod	steering-gear-marine-ram-rod	2×	2	·	part
4	Steering Ram Piston	steering-gear-marine-piston	2×	2	·	part
5	O-Ring Set	oring-set	4×	4	·	part
6	Ball Bearing	ball-bearing	2×	2	·	part
7	Fastener Set	fastener-set	1×	1	·	part

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Where the steering actuator (dual) is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Marine 1 Marine Steering Gear

Used in 1 assembly

Marine Steering Gear

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $2–$500. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇨🇳Inovance inovance.com ↗	Shenzhen, CN	Drives & motion control	500 units	10–14 wks
🇮🇳Sona Comstar sonacomstar.com ↗	Gurugram, IN	EV driveline & motors	500 units	10–14 wks
🇨🇳Broad-Ocean broad-ocean.com ↗	Zhongshan, CN	Electric motors	500 units	10–14 wks
🇸🇬Nidec (Singapore) nidec.com ↗	Singapore	Motors, regional ops	500 units	10–14 wks
🇮🇳Bosch India bosch.in ↗	Bengaluru, IN	Automotive components	500 units	10–14 wks