Main Shaft Bearing for 6-Speed Tractor Transmissions - 80mm x 40mm Heavy Duty Replacement
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Main Shaft Bearing for 6-Speed Tractor Transmissions – 80mm x 40mm Heavy Duty Replacement

Original price was: $66.53.Current price is: $19.95.

SKU: QTP-195505 Category:

Description

That grinding noise from your transmission isn’t something you can ignore for long. When a main shaft bearing starts to fail, it affects everything downstream – shifting gets rough, gears start popping out under load, and what begins as an annoying whine can turn into thousands of dollars in transmission damage. This precision bearing keeps your 6-speed transmission running smooth and quiet, supporting the heart of your power train.

What You’re Getting

  • Precision 80mm outer diameter by 40mm inner diameter bearing designed specifically for transmission main shafts
  • Heavy-duty construction that handles constant rotation under full tractor load
  • Tight manufacturing tolerances ensure proper gear alignment and smooth shifting
  • Direct replacement that prevents costly cascade damage to other transmission components

Built for Real Farm Work

Your 6-speed transmission gives you the gear range needed for everything from creeping along while planting corn to highway speeds when moving between fields. This main shaft bearing supports all that versatility, carrying the load whether you’re pulling a heavy disc in second gear or cruising to town in sixth. When this bearing starts wearing out, you’ll notice it first in the cab – noise, vibration, and gears that don’t want to stay engaged when you’re working hard.

Made to Last

Transmission bearings operate in a tough environment – constant rotation, heavy loads, and contamination from gear oil breakdown. This replacement bearing uses improved metallurgy and sealing to outlast original equipment. The precision machining maintains proper shaft alignment, which protects your gear teeth and synchronizers from premature wear.

Installation Notes

Transmission work requires absolute cleanliness – any dirt or debris will shorten bearing life dramatically. Remove the old bearing carefully and inspect the shaft for wear or scoring. Press the new bearing on squarely using proper bearing pullers to avoid damage. Most shops find that when one transmission bearing fails, others aren’t far behind, so it’s worth inspecting everything while you’re in there.

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