Main Thrust Bearing - .010" Oversize fits John Deere 3020 4020 4050 4230 AR77750

Main Thrust Bearing, .010" Oversize, for John Deere 3020, 4020, 4050, and 4230

This main thrust bearing is an aftermarket replacement part sized .010" oversize. It is intended for the listed John Deere tractor models and is identified by reference number AR77750. The thrust bearing supports crankshaft end play in the engine assembly, and the oversize dimension is intended for a crankshaft machined to accept a .010" oversize bearing.

Product Details

• Product Type: Main thrust bearing
• Size: .010" oversize
• Reference Number: AR77750
• Brand Reference: John Deere

Fitment & Compatibility

• John Deere 3020
• John Deere 4020
• John Deere 4050
• John Deere 4230

Frequently Asked Questions

Q: What does .010" oversize mean for this thrust bearing? A: The .010" oversize designation indicates the bearing is sized for a crankshaft that has been machined to accept an oversize bearing. Verify the crankshaft size and required bearing dimension before ordering.

Q: How do I confirm this bearing fits my tractor? A: Check the complete tractor model and the existing bearing reference number. The listing applies to John Deere 3020, 4020, 4050, and 4230 models with reference number AR77750, but the crankshaft condition should also be verified.

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