Genuine factory original equipment BFGoodrich Cutless heavy-duty marine propeller shaft sleeve bearing assembly (Series: Nape 1251). This premium water-lubricated bearing safeguards your vessel's running gear by maintaining exact shaft centering while dampening drivetrain vibrations. Featuring a precision naval brass shell with a 3-1/8" outside diameter and 10" overall length, it installs securely into your aft stern tube or external strut housing. The durable nitrile rubber lining features advanced molded water grooves to ensure a continuous fluid lubrication layer, protecting your 2-1/2" propeller shaft from rotational friction, scoring, and heat damage under continuous marine or industrial pump stress.

• Key Features: Advanced multi-groove nitrile rubber lining for fluid lubrication, rigid brass shell configuration for stable press-fit seating, and superior acoustic and mechanical vibration dampening.
• Technical Specs: Brand: BFGoodrich / Duramax Marine | Model: Nape | MPN: 1251 | Shaft Size (ID): 2-1/2" | Outer Diameter (OD): 3-1/8" | Length: 10" | Material: Naval Brass / Nitrile Rubber.
• Condition Notes: New, old stock (NOS) warehouse condition. The outer brass casing is structurally flawless with clean factory dimensions. The inner nitrile rubber flutes are perfectly supple and intact with zero dry rot, cracking, or bonding separation.
• Installation Notes: Clean the internal bore of the strut or stern tube prior to seating. Install using a steady press or puller tool, avoiding direct hammer impacts. Ensure proper water-intake alignment to guarantee immediate lubrication upon startup. Message with any questions!