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

🚤 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

🔄 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

📦 Condition

• Genuine Yamaha part
• Brand new
• Supplied in original or equivalent packaging