RLS9-1-1/4 2RS Special Bore Imperial Rubber Sealed Deep Groove Ball Bearing 1-1/4 x 2-1/2 x 5/8 Inch

RLS9-1-1/4 2RS Special Bore Imperial Rubber Sealed Deep Groove Ball Bearing 1-1/4 x 2-1/2 x 5/8 Inch

Marsoni

M251S

$23.45

Get it in 3 business days with 1 day shipping. Friday, May 29

RLS9-1-1/4 2RS Special Bore Imperial Rubber Sealed Deep Groove Ball Bearing 1-1/4 x 2-1/2 x 5/8 InchThe most widely used bearing is the Deep Groove ball bearing. This type of bearing is popular in a wide range of applications and is capable of operating at high speeds. The inner and outer ring has a deep groove raceway and this bearing is designed to carry both radial and axial loads. This bearing is available in the C3 Style which means it has an increased radial clearance and can carry much heavy axial loads as well as running at higher

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As a post menopausal person I did not find this cooling at all. The material is memory foam which holds heat but more importantly my head sinks in so that half of it is always surrounded by the pillow, trapping heat. It IS a supportive, soft and comfy pillow. For cooling though, I found it better to buy a firmer, thinner pillow which keeps my head from sinking into it, allowing heat to dissipate.

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Reviewed in the United States on August 25, 2025

Verified Purchase

CakeLady

Grantham, US

★★★★★ 4

Nice and squishy

Set name: UltraCool Pillow, Standard - Soft/Medium Firmness, Item length width: 30.0 Inches

Not really a "cooling" pillow, but better than a standard or or fiber filled pillow. All these types of pillows and other bed linens are initially cool to the touch, but they quickly heat up to match your body temperature. Although the technology currently does not exist to maintain constant cooling, pillows like this are a good compromise for now. It's nice and soft and is a good value for the price.

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Reviewed in the United States on July 30, 2025

Verified Purchase

Joseph Urban

San Leandro, US

★★★★★ 5

New Fave

Set name: UltraCool Pillow, Standard - Medium/Firm Firmness, Item length width: 30.0 Inches

Love It so far... Its cool and comfortable... just the right firmness

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Reviewed in the United States on December 17, 2025

Verified Purchase

Richard E. Yourish

Louisville, US

★★★★★ 3

Doesn’t stay cool long

Set name: UltraCool Pillow, Standard - Soft/Medium Firmness, Item length width: 30.0 Inches

The pillow was a little softer than I expected. It’s cool at first but at least for me heats up fast.

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Reviewed in the United States on May 11, 2024

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bryce colwell

Birmingham, US

★★★★★ 2

too soft, useless. but cool, kindah

Set name: UltraCool Pillow, Standard - Medium/Firm Firmness, Item length width: 30.0 Inches

the problem with these "cooling" pillows is any cooling effect is almost completely negated by a pillow case. this particular pillow is cool to the touch, but completely useless as it flattens out completely, way too soft I think for anyone. I would not recommend this "NASA" pillow for anyone for anything. Maybe for 10 bucks, but certainly not what they ask for this. I did keep it though. It is "cool" but only for a moment and your flipping it around like any other pillow. also way too soft. BUt, it has been cool enough to get me back to sleep.

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Reviewed in the United States on May 29, 2025