Marine Cutless Bearing Water Lubricated Naval Brass Sleeve Bearing
Marine Cutless Bearing | Water-Lubricated Naval Brass Sleeve Bearing
Naval brass shell water-lubricated cutless bearing for stern tube, strut, tail shaft and propeller shaft systems in seawater or freshwater.
Product Highlights
- Naval brass shell provides mechanical strength and corrosion resistance.
- NBR rubber lining and water groove design support cooling, lubrication and low-friction shaft operation.
- Common metric and inch shaft sizes are available; OEM dimensions can be made from drawings.
- Suitable for shipyards, repair yards, propulsion OEMs and marine maintenance projects.
Key Specification Reference
| Item | Reference |
|---|---|
| Material | Naval brass shell + NBR rubber lining |
| Lubrication | Seawater / freshwater |
| Size range | 25 mm to 150 mm shaft reference in uploaded template |
| OEM | Custom OD, length, groove and drawing service available |
Size Reference
The table below shows common reference sizes from the uploaded product template. OEM dimensions can be produced according to drawings.
| SPU | Metric shaft diameter | Inch shaft diameter | Bearing length | Outside diameter |
|---|---|---|---|---|
| WTG-BS-WLB | 25 mm | 1" | 100 mm | 40 mm |
| WTG-BS-WLB | 30 mm | 1-1/4" | 120 mm | 45 mm |
| WTG-BS-WLB | 35 mm | 1-3/8" | 140 mm | 50 mm |
| WTG-BS-WLB | 40 mm | 1-1/2" | 160 mm | 60 mm |
| WTG-BS-WLB | 45 mm | 1-3/4" | 180 mm | 65 mm |
| WTG-BS-WLB | 50 mm | 2" | 200 mm | 70 mm |
| WTG-BS-WLB | 55 mm | 2-1/4" | 220 mm | 75 mm |
| WTG-BS-WLB | 60 mm | 2-3/8" | 240 mm | 80 mm |
Applications
- stern tube systems
- strut bearings
- tail shaft and propeller shaft systems
- ship repair and marine maintenance
- workboats, tugs, ferries, fishing vessels and OEM propulsion projects
What to Send for Quotation
- shaft diameter and housing bore or outside diameter
- bearing length and installation form
- material preference and groove design if known
- vessel type, water condition and operating environment
- quantity, drawing and target delivery time
MOQ, Samples and Delivery
MOQ can start from 1 piece for sample or project review. Typical delivery time is 15-50 days depending on size, material, drawing confirmation and quantity. OEM material, groove design, flange and length customization are supported.
Source: uploaded WAVE TECH / Alibaba water-lubricated bearing product template, SPU WTG-BS-WLB. Final dimensions should be confirmed by drawing before production.
