Mainshaft Bearing for 6-Speed Transmission SKU: QT195505

When your tractor's mainshaft bearing fails, you lose power transfer and risk damaging your entire transmission. This precision bearing restores smooth rotation and proper load distribution in your 6-speed transmission mainshaft assembly.

Key Benefits

• 80mm outer diameter and 40mm inner diameter provide exact OEM fitment
• Engineered for heavy-duty transmission loads and constant rotation
• High-grade steel construction resists wear and maintains tight tolerances
• Proper sealing prevents contamination and extends service life

Mainshaft bearings endure tremendous stress from gear changes, load transfers, and continuous operation. This replacement bearing meets the exacting specifications your transmission needs to keep working reliably. If you have questions about fitment or installation, our team has been helping customers solve transmission problems since 1969.