Infinity Tools Replacement Router Bit Bearings

Infinity Tools Replacement Router Bit Bearings - View 3

Infinity Tools Replacement Router Bit Bearings - View 4

Infinity Tools Replacement Router Bit Bearings - View 5

$4.28 ~~$6.9~~ In stock

Our replacement ball bearings are designed to spin at high RPM and are double shielded to give you unparalleled performance. Use these premium ball bearings to replace worn out bearings on router bits, top bearing or other. Use the stop collars in combination with the bearings to make Top Bearing Kits for your 1/4" or 1/2" router bits. Common uses for our replacement router bit bearings is for slot cutter depth adjustment and Rabbeting router bit replacement. Choose bearings with a 5/16" Inside Diameter (I.D.) to fit any of our slot cutter arbors.

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Delivery costs

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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Returning an item

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (5.0 / 5 · 5 reviews)

Sofia F. ★★★★★ Oct 22, 2026

Had a seized bearing on my favorite bit and swapped this in before a big project—spins smooth as silk at full RPM. The double shield keeps the dust out way better than the old one did.

Eli ★★★★★ Oct 21, 2026

The double shield really makes a difference—these spin smoothly at high RPM without picking up dust. I swapped them onto a well-used bit and it feels like new again. Definitely quieter than the originals.

Benjamin U. ★★★★★ Oct 20, 2026

My old bearings were grinding on every cut, so I swapped in these replacements and the router bit spins smooth as silk again. The double shields keep the dust out even during heavy use.