93317-22204 Yamaha Bearing 1pce | Genuine OEM Yamaha Outboard Part

🔧 Product Description

Genuine Yamaha Lower-Unit Cylindrical Needle Roller Bearing - Part Number: 93317-22204

A genuine Yamaha cylindrical roller bearing used inside selected 25HP to 60HP lower units.

The bearing supports a rotating gear or shaft within the lower-drive assembly and maintains accurate gear alignment under propeller and engine load.

⚙️ Key Features

• Genuine Yamaha OEM cylindrical roller bearing

• Correct Yamaha part number 93317-22204

• Approximate dimensions: 20mm bore x 28mm outside diameter x 22mm width

• Used in selected Yamaha small and mid-range gearcases

• Mercury and Yamarine replacement bearings available

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 93317-22204 current Yamaha OEM bearing reference

OEM / Related Numbers:

• 93317-22204

• 93317-22204-00

• 933172220400

• Mercury / Mariner: 31-83872M

• Mercury / Mariner: 83872M

Aftermarket / Verified Equivalents:

• Mercury / Mariner: 31-83872M

• ITACO: 93317-22204 bearing

• Yamarine: 93317-22204 cylindrical bearing

• Direct replacement bearing: 20mm x 28mm x 22mm

🚤 Compatibility

Commonly used on:

• Yamaha lower-drive gear and shaft assemblies

Typically suits:

• Engine models:

• Yamaha E40J and EK40J

• Yamaha 40ELRQ

• Yamaha E48MLHV

• Yamaha 48HP two-stroke

• Yamaha 50ESH and 50HP two-stroke

• Yamaha 55HP applications using the matching lower drive

• Selected Yamaha and Mercury 25HP to 60HP gearcases using the 31-83872M bearing

• HP Range: Commonly 40HP - 55HP Yamaha; selected 25HP - 60HP shared applications

• Engine Type: Yamaha / Mercury / Mariner two-stroke and four-stroke outboard

• Year Range: Gearcase and model dependent

🔌 Function

The bearing supports the internal rotating shaft or gear and maintains correct gear mesh inside the lower unit.

Common signs of failure:

• Gearcase produces whining, rumbling or grinding noise

• Excessive shaft or gear movement is present

• Metal particles appear in the gear lubricant

• Bearing rollers show pitting or corrosion

• Gearcase becomes noisy under propeller load

📦 Condition

• Genuine Yamaha part

• Brand new

• Supplied in original or equivalent packaging