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⚙️ Elevate your machinery game with bearings that work as hard as you do!
This 2-pack of UCP204-12 pillow block mounted ball bearings features a 3/4" bore and a solid cast iron base for unmatched durability. Crafted from ultra-durable bearing steel, these self-aligning bearings reduce maintenance costs and downtime while offering easy installation and versatile industrial use.











| ASIN | B0BTNCJV47 |
| Bearing Number | UC204 12 |
| Bearing Type | Ball Bearing |
| Best Sellers Rank | #3,146 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Mounted Pillow Block Bearings |
| Brand | SACKORANGE |
| Brand Name | SACKORANGE |
| Compatible Lubricant | Grease |
| Customer Reviews | 4.5 out of 5 stars 759 Reviews |
| Included Components | Bearing |
| Item Dimensions | 4 x 2 x 3 inches |
| Item Weight | 16 ounces |
| Item dimensions L x W x H | 4 x 2 x 3 inches |
| Manufacturer | SACKORANGE |
| Material | Alloy Steel |
| Material Type | Alloy Steel |
| Part Number | UPC204-12 BEARING |
| Specification Met | ABEC 3 |
R**R
Great bearings good price.
Item as described. Really well made. One was a little tighter then the other and did not rotate as freely but for my application it was fine. It does have grease fitting so it can stay lubricated after many hours of use. Operated smoothly and with out issue or defect. Bolt location was uniform and easily mounted to my structure.
B**V
Impressive
I picked these up to use for my steering on my Baja Bug build. When I was looking at the measurements in th head I was a bit worried they would be too big to use. As it turns out they are perfect and WAY better than what you find on the off road websites. These are not flimsy and cheap. They are robust and built very well and will most likely out live the Baja. I am very impressed with them, the fact that they have zert fitting's is fantastic as I can lube them up after playing out in the desert. The price is amazing as these are well worth more.
R**Y
Great price for these bearings
These are quality bearings at a great price because you'll probably pay a lot more money if you order these from anywhere else.
R**S
Riding mower live axle swap
Works good as they should. Be sure not to over tighten. I would recommend paying the extra to get 1s made from steel. Especially for diy projects that need welding to square tubing
M**N
Work well
Just the right items for the rod for my spinning targets
R**K
Good quality
Very good quality, fast delivery.
E**O
Broke on First Test
UCP205-16 1in Purchased Oct 2025 Used 1/2 torqued bolts with washers, lock washer and blue threadlocker . Broke on first test with live axle go kart using a Predator 212 engine. These were an upgrade (I thought) for the small pillow blocks that came with the live axle kit.
E**S
Solid heavy smooth
Solid make. Ball swivels in bracket so if you set it a little off, it compensates.
P**.
Inaccurate bore measurement.
Totally useless item and waste of time for me. Inaccurate bore measurement. The bore is actually 1.17" (not 1.25" or 1-1/4" as described) This now means the shaft has to be machined either at both ends which will cause assembly issues or machine the entire length of shaft which will cause inaccurate specs and with added cost. Returning item for refund.
B**B
Pricing
Excellent
A**R
celà fait très bien
pour essieux de petits remorque
A**Z
Insuperable
Gratamente sorprendido, mejor de lo que esperaba por compacto, eficiente, fuerte y funcional; muy satisfecho
Trustpilot
1 month ago
2 weeks ago