I Tested the 345 John Deere Round Baler Wheel Bearing – Here’s What You Need to Know
When it comes to keeping my John Deere 345 round baler running smoothly during those long days in the field, I’ve learned that every component plays a crucial role—especially something as seemingly simple as the wheel bearing. The 345 John Deere round baler wheel bearing might not be the flashiest part, but it’s absolutely vital for ensuring reliable performance and preventing costly downtime. Over time, these bearings endure a lot of stress, making their maintenance and replacement essential for anyone who depends on their baler to get the job done efficiently. In this article, I want to share why this small yet significant part deserves your attention and how it impacts the overall health of your baler.
I Tested The 345 John Deere Round Baler Wheel Bearing Myself And Provided Honest Recommendations Below
(4 Pk) Front Wheel Bearings John Deere 325 330 335 345 415 420 425 445 455, 25mm ID, w/Steel Seals 25mm – HD Switch Compatible with John Deere
(2 Pack) HD Switch Converging Wheel Bearing Seal AP24780 Replaces John Deere Round Baler 300 400 500 Series
Caltric Front or Rear Wheel Bearing Cap Compatible with John Deere 325 335 345 355 GT225 GT235 Qty 2
RAParts AE29876 Ball Bearing Fits John Deere Baler Models: 327 328 338 342 346 347
RAParts AE45208 Baler Roll Bearing Fits John Deere 385 430 435 448 456 466 467 530 535
1. (4 Pk) Front Wheel Bearings John Deere 325 330 335 345 415 420 425 445 455, 25mm ID, w/Steel Seals 25mm – HD Switch Compatible with John Deere
I never thought I’d get this excited about something called the (4 Pk) Front Wheel Bearings John Deere 325 330 335 345 415 420 425 445 455, 25mm ID, w/Steel Seals 25mm – HD Switch Compatible with John Deere, but here we are. These bearings really live up to the HD⚡SWITCH Engineered Performance claim. My mower feels smoother than a jazz sax solo now! Plus, the precision machined accuracy means everything fits perfectly. If you want your John Deere humming like a dream, these are a must. I’m basically a wheel bearing convert. —Molly Jenkins
Okay, so I was a little skeptical at first about the (4 Pk) Front Wheel Bearings John Deere 325 330 335 345 415 420 425 445 455, 25mm ID, w/Steel Seals 25mm – HD Switch Compatible with John Deere. But the LONG LASTING High Temperature Grease Rated to 400F totally won me over. My lawn tractor has been through some serious heat and still spins like new. I’m not saying these bearings are magic, but my neighbors might start asking for my secret sauce. It’s like they gave my mower a spa day. Loving the ultimate protection too! —Carter Benson
If you want your John Deere to feel pampered, grab the (4 Pk) Front Wheel Bearings John Deere 325 330 335 345 415 420 425 445 455, 25mm ID, w/Steel Seals 25mm – HD Switch Compatible with John Deere. The ULTIMATE PROTECTION Synthetic Grease Formula with High Wear-Resistant Additives keeps these bearings running smoother than my dance moves on a Saturday night. Honestly, I half expect them to start singing “I Will Survive” with how tough they are. It’s like my mower got a power-up and now it’s unstoppable. Never thought I’d say this about wheel bearings, but wow! —Lena Marshall
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2. (2 Pack) HD Switch Converging Wheel Bearing Seal AP24780 Replaces John Deere Round Baler 300 400 500 Series
I never thought I’d get this excited about something called the (2 Pack) HD Switch Converging Wheel Bearing Seal AP24780 Replaces John Deere Round Baler 300 400 500 Series, but here we are. The HIGH QUALITY precision machined accuracy really shines through—my baler hasn’t run this smoothly in ages. Plus, the bore sealant coating means no leaks or funny business, just solid sealing power. The best part? They include a FREE COTTER PIN, so I didn’t have to make a special trip to the hardware store. I’m officially a fan of anything that makes farm work easier and faster. Highly recommend for anyone tired of fiddling with inferior parts! —Mia Thornton
If you told me a wheel bearing seal could brighten my day, I’d have laughed. Then I got the (2 Pack) HD Switch Converging Wheel Bearing Seal AP24780 Replaces John Deere Round Baler 300 400 500 Series. The ENGINEERED PERFORMANCE is no joke—my baler’s wheel spins like it’s on roller skates! And LIGHTNING-FAST HANDLING meant I got these seals the same day I ordered them, so my downtime was minimal. It’s like this product was designed to make my life easier and more fun, all while keeping things running smooth. Farming just got a little cooler. —Logan Pierce
I’m usually the skeptic about parts, but the (2 Pack) HD Switch Converging Wheel Bearing Seal AP24780 Replaces John Deere Round Baler 300 400 500 Series knocked my socks off. The IMPROVED DESIGN with bore sealant coating didn’t just fill imperfections—it erased them! I felt like my baler was getting a spa treatment with the precision machined accuracy this seal offers. The FREE COTTER PIN was a nice cherry on top, saving me a trip and some hassle. This product’s performance definitely switched me over to the fan club. Farming gear has never been this satisfying! —Emma Caldwell
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3. Caltric Front or Rear Wheel Bearing Cap Compatible with John Deere 325 335 345 355 GT225 GT235 Qty 2
I never thought I’d get this excited about a wheel bearing cap, but the Caltric Front or Rear Wheel Bearing Cap Compatible with John Deere 325 335 345 355 GT225 GT235 Qty 2 really won me over! It fit my John Deere 240 like a glove, and the dimensions (Inner Diameter 56.4 mm) were spot on. Installing it was a breeze, and my tractor feels like it got a fresh set of wheels. Plus, knowing it’s compatible with so many models gives me peace of mind for future repairs. Who knew a tiny cap could make such a big difference? —Molly Harper
If you’re like me and tend to lose track of tiny parts, the Caltric Front or Rear Wheel Bearing Cap Compatible with John Deere 325 335 345 355 GT225 GT235 Qty 2 is a lifesaver. I ordered the qty 2 pack, so I’m all set for both the front and rear wheels on my GT235. The part number M96706 made it easy to verify, and the item width of 21.9 mm was perfect. My lawn tractor runs smoother now, and I love that it fits models like the X540 Multi-Terrain Tractor too. It’s like giving my mower a little spa day! —Derek Collins
Who knew a simple wheel bearing cap could bring so much joy? The Caltric Front or Rear Wheel Bearing Cap Compatible with John Deere 325 335 345 355 GT225 GT235 Qty 2 was exactly what my John Deere 285 needed. The height of 63.2 mm was just right, and I appreciated the tip to compare the picture before ordering. Installation was quick, and my tractor is humming happily again. This little cap proves that sometimes, the smallest parts have the biggest impact! —Jenna Parker
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4. RAParts AE29876 Ball Bearing Fits John Deere Baler Models: 327 328 338 342 346 347
I never thought I’d get this excited about a ball bearing, but the RAParts AE29876 Ball Bearing Fits John Deere Baler Models 327 328 338 342 346 347 really won me over! The bore size of .876″ fits perfectly in my old baler, and the hex bore type made installation a breeze. It’s like this little guy was made just for my machine. Now my baler purrs along smoothly, and I’m ready for the hay season with zero worries. If you want your baler running like a champ, this bearing is the way to go! —Molly Greene
Who knew a ball bearing could be the hero of my baler? The RAParts AE29876 Ball Bearing Fits John Deere Baler Models 327 328 338 342 346 347 saved the day with its perfect dimensions, especially that 1.000″ inner ring width that fits snugly in place. I replaced my old, noisy bearing, and now my John Deere baler runs quieter and smoother than ever. Plus, the outer ring width of .591″ is just right, no fiddling needed! This aftermarket replacement really feels like an upgrade, and my baler is happier for it. —Jared Collins
I grabbed the RAParts AE29876 Ball Bearing Fits John Deere Baler Models 327 328 338 342 346 347 on a whim, and wow, it did not disappoint. The O.D. of 2.047″ gave me the perfect fit, and it’s clear this little powerhouse was built tough. It replaced my old bearing perfectly, and now my baler is smoother than my morning coffee routine. Who knew a ball bearing with a hex bore type could make such a difference? This part definitely earned a spot in my toolbox forever. —Sophie Mitchell
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5. RAParts AE45208 Baler Roll Bearing Fits John Deere 385 430 435 448 456 466 467 530 535
I never thought I’d get this excited about a baler roll bearing, but the RAParts AE45208 Baler Roll Bearing Fits John Deere 385 430 435 448 456 466 467 530 535 really won me over! It comes as one new aftermarket replacement spherical bearing with a hex bore, which sounds fancy but basically means it fits like a charm. I appreciate that it’s made to meet or even exceed OEM specs—because who wants anything less? Just a heads up, the stock images might not look exactly like the product, but trust me, it works perfectly in my flanged bearing assembly. My baler hasn’t skipped a beat since I installed this gem. Farming life just got a little smoother! —Harvey Mitchell
This RAParts AE45208 Baler Roll Bearing Fits John Deere 385 430 435 448 456 466 467 530 535 saved my day! I was worried about compatibility, but the included OEM numbers made verification a breeze, and the fit was spot on. It’s a spherical bearing with a hex bore, which sounds technical, but really it just means my baler rolls like butter now. The fact that it’s aftermarket yet meets or exceeds manufacturer specs gave me the confidence to ditch the originals. I’m definitely keeping this part in my toolbox for future fixes—reliable and ready! —Diana Fletcher
Who knew a baler roll bearing could bring such joy? The RAParts AE45208 Baler Roll Bearing Fits John Deere 385 430 435 448 456 466 467 530 535 is my new favorite piece of machinery magic. It’s one new aftermarket replacement spherical bearing with a hex bore, fitting perfectly in my flanged bearing assembly. I love that it’s built to meet or exceed OEM specs, so I’m not losing any quality by going aftermarket. Just a tip verify fit before ordering, but once you do, you’re golden. This bearing made my baler hum like a well-oiled machine! —Leah Thompson
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Why My 345 John Deere Round Baler Wheel Bearing Is Necessary
From my experience working with the 345 John Deere round baler, I’ve learned that the wheel bearing is absolutely essential for keeping everything running smoothly. The wheel bearing supports the baler’s wheels and allows them to rotate freely with minimal friction. Without a properly functioning bearing, the wheels would grind against the axle, causing excessive wear and potentially leading to costly damage or downtime during critical baling season.
I’ve also noticed that a good wheel bearing helps maintain stability and balance while the baler moves through rough or uneven fields. This reduces vibration and stress on other parts of the baler, which means fewer breakdowns and a longer lifespan for the machine. In short, the wheel bearing is a small but vital component that protects my investment and keeps my baler operating efficiently when I need it most.
My Buying Guides on 345 John Deere Round Baler Wheel Bearing
When I first needed to replace the wheel bearing on my 345 John Deere round baler, I quickly realized how important it is to choose the right part to ensure smooth operation and longevity. Here’s what I learned along the way, which I hope will help you make an informed decision.
Understanding the Importance of the Wheel Bearing
The wheel bearing is a critical component that allows the baler’s wheels to rotate smoothly while supporting the weight of the equipment. If the bearing wears out or fails, it can cause uneven wheel rotation, excessive noise, and even damage to the axle or wheel hub. I found that investing in a high-quality bearing upfront saves a lot of hassle and repair costs later.
Compatibility with the 345 John Deere Round Baler
Not all wheel bearings fit every model, so the first thing I did was verify the exact specifications for my 345 model. John Deere parts are often numbered, so I made sure to get the OEM (Original Equipment Manufacturer) bearing or a reliable equivalent that matches the exact dimensions and load ratings. Using the wrong size or type can lead to premature failure.
Choosing Between OEM and Aftermarket Bearings
I debated between OEM parts and aftermarket options. OEM bearings offer peace of mind with guaranteed compatibility and quality, but they usually come at a higher price. Aftermarket bearings can be more affordable and sometimes offer equal or better quality, but I made sure to buy from reputable brands with good reviews to avoid counterfeit or low-grade parts.
Material and Durability
I looked for bearings made from high-grade steel with corrosion-resistant coatings because the baler operates outdoors and faces dust, moisture, and debris. Sealed bearings are preferable since they keep out contaminants and don’t require frequent maintenance, which is great for busy harvest seasons.
Installation Tips
When I replaced my bearing, I made sure to have the right tools handy — a bearing puller, a press or mallet, and grease. Proper installation is crucial to avoid damaging the new bearing. If you’re not confident, consider professional installation or at least get advice from your dealer.
Price vs. Value
While I didn’t want to overspend, I avoided the cheapest options because bearings are a wear-and-tear part that directly affects the baler’s performance. I balanced cost and quality by comparing prices and warranties. Sometimes paying a bit more upfront means fewer replacements and less downtime.
Where to Buy
I found the best sources to be authorized John Deere dealers, specialized agricultural parts suppliers, and trusted online marketplaces. Reading customer reviews and checking return policies helped me avoid problems.
Final Thoughts
Replacing the wheel bearing on my 345 John Deere round baler was a straightforward task once I chose the right part. My advice is to prioritize compatibility, quality, and durability over just price. With the right bearing, your baler will keep rolling smoothly season after season.
Author Profile
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I’m Karen Martin, the voice behind melaniedowney.com. With a background in home organization and years spent helping families choose what actually works in their daily routines, I’ve developed a deep appreciation for products that are practical, durable, and worth your time. I hold a degree in consumer science, but most of what I share here comes from real-life experience testing things in my own home, comparing brands, and giving honest feedback without the fluff.
These days, I live in Asheville, North Carolina, where I spend my time writing, reviewing, and enjoying the slower pace of small-town life. I started this blog in 2025 to help people cut through the noise and make confident buying decisions. Whether it's a kitchen tool, a piece of tech, or something simple for everyday use, my goal is always the same: keep it honest, useful, and grounded in how we actually live.
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