Best in 7 days
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Description
6903DDU NSK Sealed Deep Groove Ball Bearing 17x30x7mmNSK Pressed Steel Cages Single row deep groove ball bearings are the most common type of rolling bearings. Their use is very widespread. In addition to open type bearings, these bearings often have steel shields or rubber seals installed on one or both sides and are prelubricated with grease. Also, snap rings are sometimes used on the periphery. As to cages, pressed steel ones are the most common. For big deep groove ball bearings, machined brass
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.4 ★★★★★
Based on 2403 reviews
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Product Reviews
★★★★★ 5
Works great
Is there a little expensive but they work great to add counter space. My wife liked it so much I bought a second one.
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Reviewed in the United States on June 11, 2026
★★★★★ 4
Looks great.
Nice quality with sturdy hardware. Size could be a little larger.
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Reviewed in the United States on August 30, 2025
★★★★★ 5
Great addition to my sewing table!
I ordered two of these to give me a little more room on my sewing table. One for the backside and one for the left side. Worked out great! Very sturdy and not hard to install (followed directions). I just extended when I need room and fold when not in use. I would recommend these to anyone who just needs a little more table/room.
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Reviewed in the United States on May 12, 2020
★★★★★ 3
Not very sturdy
The oak that this is made of is very nice. The little bit of extra counter space is nice. The problem is the bracket to hold it up is kind of small and flimsy, so the shelf won't bear much weight. It will be ok for putting light things on. Also had a problem getting it to hang flat in the down position.
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Reviewed in the United States on February 22, 2022
★★★★★ 5
A good product at a good price. this is easy to install, and very sturdy.
This will expand our counter space in our camper, it is very sturdy and well built, solid wood, and a nice hinge.
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Reviewed in the United States on December 13, 2023
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