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7/8″ Router Bit Bearing x 1/4″ID – Whiteside B21

Replacement top bearing for UDC9112 and UDFT9112. 7/8″ Outside Diameter 1/4″ Inside Diameter

7/8″ Router Bit Bearing x 1/4″ID – Whiteside B21 - Main image
$14.69 $20.99 In stock

Category: Router Bit Bearings

This Whiteside B21 router bit bearing is a 7/8-inch replacement bearing with a 1/4-inch inner diameter, designed for use with spiral flush trim bits. It offers a dependable component for your routing tasks.

  • 7/8-inch outer diameter bearing
  • 1/4-inch inner diameter for compatibility
  • Whiteside brand quality
  • Suitable for spiral flush trim applications
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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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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 (4.6 / 5 · 5 reviews)

Robert C. ★★★★★

I've been through a few cheap bearings that squeaked after a few cuts, but this one spins smoothly and feels much more durable. The 1/4-inch inner diameter fit my router bit perfectly without any wobble.

Daniel G. ★★★★★

I opened the package and immediately noticed how smoothly this bearing spins compared to the old one it's replacing. Installed it on my flush trim bit in under a minute and ran a test cut with zero wobble.

Sebastian M. ★★★★★

This bearing fit my Whiteside flush trim bit perfectly, the 7/8-inch size was exactly what I needed. It spins smoothly with no wobble, feels like a quality piece for router use.

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