SKFMarine Circulation Systems

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Marine Circulation Systems

SKF Seawater & Pump Bearing Catalog

Pump & Motor

Marine Circulation Systems - SKF Seawater & Pump Bearing Catalog

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Engineer's Note: This list includes validated OEM part numbers for 10,000hr (Top End) and 20,000hr (Major) overhauls. Quantities are per single engine unit.

Select	System	Part Name	OEM P/N	Qty	Notes
	Seawater Pumps	Deep Groove Ball Bearing 6210-2RS	6210-2RS	1	50×90×20mm \| VERY HIGH VOLUME CONSUMABLE \| Sealed \| Standard aft cooling pump \| Replace every 3-5 years \| MY/SG Stock
	Seawater Pumps	Deep Groove Ball Bearing 6210-2Z	6210-2Z	1	50×90×20mm \| Shielded variant \| Chrome steel \| MY/SG Stock (Very High Vol)
	Seawater Pumps	Deep Groove Ball Bearing 6207-2RS	6207-2RS	1	35×72×17mm \| Medium seawater pump \| Auxiliary engine cooling \| Stainless option available \| MY/SG Stock
	Seawater Pumps	Deep Groove Ball Bearing 6207-2Z	6207-2Z	1	35×72×17mm \| Shielded variant \| Smaller circulation pump \| MY/SG Stock (Very High Vol)
	Seawater Pumps	Deep Groove Ball Bearing 6205-2RS	6205-2RS	1	25×52×15mm \| Compact seawater circulator \| Emergency pump backup \| Cost-sensitive \| MY/SG Stock (High Vol)
	Freshwater Pumps	Deep Groove Ball Bearing 6206-2RS	6206-2RS	1	30×62×16mm \| Jacket cooling water pump \| Lower corrosion risk \| High-speed capable \| MY/SG Stock (High Vol)
	Freshwater Pumps	Deep Groove Ball Bearing 6206-2Z	6206-2Z	1	30×62×16mm \| Shielded variant \| Standard 6206 preferred \| MY/SG Stock (High Vol)
	Freshwater Pumps	Deep Groove Ball Bearing 6203-2RS	6203-2RS	1	17×40×12mm \| Auxiliary fresh water \| Hydraulic cooling pump \| MY/SG Stock (Medium Vol)
	Hydraulic Motors	Deep Groove Ball Bearing 6211-2RS	6211-2RS	1	55×100×21mm \| Hydraulic pump/motor drive \| C3 clearance \| Steering/ballast/stabilizer \| MY/SG Stock (Medium Vol)
	Hydraulic Motors	Deep Groove Ball Bearing 6211-2Z	6211-2Z	1	55×100×21mm \| Shielded variant \| High-speed capable \| MY/SG Stock (Medium Vol)
	Fuel System	Deep Groove Ball Bearing 6204-2RS	6204-2RS	1	20×47×14mm \| Fuel transfer pump motor \| 2RS sealed essential (fuel ingress risk) \| MY/SG Stock (Medium Vol)
	Lubrication	Deep Groove Ball Bearing 6209-2RS	6209-2RS	1	45×85×19mm \| Main engine oil pump drive \| Critical for lubrication \| Stainless option \| MY/SG Stock (High Vol)
	Lubrication	Deep Groove Ball Bearing 6208-2RS	6208-2RS	1	40×80×18mm \| Backup oil circulation system \| Redundancy bearing \| MY/SG Stock (Medium Vol)
	Thrusters	Deep Groove Ball Bearing 6203-2RS (Thruster)	6203-2RS	1	17×40×12mm \| Bow/lateral thruster motor \| Intermittent duty \| MY/SG Stock (Specialty)
	Thrusters	Deep Groove Ball Bearing 6204-2RS (Thruster)	6204-2RS	1	20×47×14mm \| Thruster motor variant \| Quick replacement on-demand \| MY/SG Stock (Specialty)