Heavy Duty Primary Clutch One Way Needle Bearing Replacement For Atv 500 700 800 Frames Straight Bolt On Fitment Rock Solid Heat Treated Steel Runs Smooth As Silk With Zero Drama Installation Handling Heavy Abuse All Day Long

Upgraded ATV primary clutch bearing for reliable frame fit
✔️ Hardened race design handles intense torque loads without slipping.

This sealed needle bearing slots directly into your ATV transfer case assembly. You drop it in when the old unit slips during weekend trails. The direct bolt pattern hits stock holes on five hundred models right away.

✅ Balanced inner track keeps rotation quiet and vibration low
✅ Through hardened core fights heat buildup during hard runs
✅ Direct mount layout matches stock hole spacing on site
✅ Cross platform setup swaps onto standard frame designs
✅ Simple drop in method cuts downtime on remote trails

💡 What function does a tapered needle roller assembly serve in an ATV clutch hub?
Replacing a worn unit restores radial load capacity and cuts drag losses fast.
- Quenched steel faces manage thrust forces while shifting gears smoothly
- Custom radius geometry holds fluid film for a more handy repair routine
- Matched hole spacing aligns with the carrier shell for precise engagement

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