Marine Cutless Bearing Water Lubricated Naval Brass Sleeve Bearing
Marine Cutless Bearing Water Lubricated Naval Brass Sleeve Bearing
WTG naval brass sleeve marine cutless bearings are water-lubricated bearings for stern tube, strut, tail shaft and propeller shaft systems.
The brass shell gives mechanical strength and corrosion resistance, while the NBR rubber lining and water groove design support cooling, lubrication, low friction and stable shaft operation in seawater or freshwater.
Available size range covers common metric and inch marine shaft diameters. Standard sizes can be selected from the SKU table, and OEM dimensions can be produced from buyer drawings.
Recommended applications include workboats, fishing vessels, tugboats, ferries, yachts, ship repair yards, propulsion OEM projects and marine maintenance.
For quotation, please provide shaft diameter, housing bore or outside diameter, bearing length, quantity, drawing if available, vessel type and operating water environment.
Product Highlights
- Water-lubricated design for clean operation without oil pollution.
- Suitable for stern tube, strut, propeller shaft and marine propulsion systems.
- Standard sizes and OEM dimensions can be supplied according to drawings.
- Designed for seawater or freshwater lubrication depending on operating environment.
Key Attributes
- Material: Naval Brass Shell + NBR Rubber Lining
- Bearing Type: Marine Cutless Bearing / Water Lubricated Sleeve Bearing
- Application: Stern Tube, Strut and Propeller Shaft System
- Lubrication: Seawater / Freshwater Lubricated
- OEM Service: OEM Size and Drawing Service Available
Available Models and Size Reference
| Model / SKU | Metric Shaft Diameter | Inch Shaft Diameter | Bearing Length | Outside Diameter |
|---|---|---|---|---|
| WTG-BS-25MM | 25 mm | 1" | 100 mm | 40 mm |
| WTG-BS-30MM | 30 mm | 1-1/4" | 120 mm | 45 mm |
| WTG-BS-35MM | 35 mm | 1-3/8" | 140 mm | 50 mm |
| WTG-BS-40MM | 40 mm | 1-1/2" | 160 mm | 60 mm |
| WTG-BS-45MM | 45 mm | 1-3/4" | 180 mm | 65 mm |
| WTG-BS-50MM | 50 mm | 2" | 200 mm | 70 mm |
| WTG-BS-55MM | 55 mm | 2-1/4" | 220 mm | 75 mm |
| WTG-BS-60MM | 60 mm | 2-3/8" | 240 mm | 80 mm |
| WTG-BS-65MM | 65 mm | 2-1/2" | 260 mm | 85 mm |
| WTG-BS-70MM | 70 mm | 2-3/4" | 280 mm | 90 mm |
| WTG-BS-75MM | 75 mm | 3" | 300 mm | 95 mm |
| WTG-BS-80MM | 80 mm | 3-1/4" | 320 mm | 100 mm |
| WTG-BS-90MM | 90 mm | 3-1/2" | 360 mm | 110 mm |
| WTG-BS-100MM | 100 mm | 4" | 400 mm | 120 mm |
| WTG-BS-110MM | 110 mm | 4-1/2" | 440 mm | 135 mm |
| WTG-BS-125MM | 125 mm | 5" | 500 mm | 150 mm |
| WTG-BS-150MM | 150 mm | 6" | 600 mm | 180 mm |
| WTG-BS-175MM | 175 mm | 7" | 700 mm | 210 mm |
| WTG-BS-200MM | 200 mm | 8" | 800 mm | 240 mm |
Quotation Information
For quotation, please provide shaft diameter, housing bore or outside diameter, bearing length, quantity, drawing if available, vessel type and operating water environment.




