Main Bearings - .010" Oversize - Set fits John Deere 8630 8640 8650 AR104122

Main Bearings, .010 in Oversize, Set for John Deere 8630, 8640, and 8650

This is an aftermarket main bearing set with a .010 in oversize specification, intended for engine crankcase main journal applications on the listed John Deere tractor models. It provides the bearing shells required for a main bearing service when the crankshaft journals have been machined to the corresponding oversize.

Product Details

• Product Type: Main Bearings
• Size: .010" Oversize
• Quantity: Set
• Reference Number: AR104122
• Machine Fitment: John Deere 8630, 8640, 8650

Fitment & Compatibility

• John Deere 8630
• John Deere 8640
• John Deere 8650

Frequently Asked Questions

Q: What does .010" oversize mean for these main bearings? A: The .010" oversize designation indicates the bearing shells are sized for a crankshaft whose main journals have been machined .010 in below the original standard diameter. The crankshaft must be measured or machined to match before installation.

Q: Is AR104122 the only reference number for this set? A: Yes, AR104122 is the reference number shown for this .010" oversize main bearing set. Verify the number against your parts source before ordering.

This is an aftermarket replacement part. Confirm fitment before purchase.