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Ships within 48 hours · Estimated delivery Sep 20 - Sep 25
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For Your Every Summer RSVP, with Code: SUMMER15
Description
ucf311 d1 nskUCF311D1 Bearing UC311D1 Bearing Housing F311D1 Housing d 55 mm Bore diameter L 185 mm Overall length J 140 mm Distance between attachment bolts N 23 mm Diameter of attachment bolt hole A2 30 mm Flange width A1 20 mm Flange width A 52 mm Base width A0 71 mm Overall width B,B1,B2 66 mm Width of inner ring S 25 mm Distance from Opposite side face of locking device to raceway centre G M20 Bolt size Cr 71. 5 kN Basic dynamic load rating C0r 45 kN Basic
| UCF311D1 |
| Bearing | UC311D1 | Bearing | |
| Housing | F311D1 | Housing |
| d | 55 | mm | Bore diameter |
| L | 185 | mm | Overall length |
| J | 140 | mm | Distance between attachment bolts |
| N | 23 | mm | Diameter of attachment bolt hole |
| A2 | 30 | mm | Flange width |
| A1 | 20 | mm | Flange width |
| A | 52 | mm | Base width |
| A0 | 71 | mm | Overall width |
| B,B1,B2 | 66 | mm | Width of inner ring |
| S | 25 | mm | Distance from Opposite side face of locking device to raceway centre |
| G | M20 | Bolt size |
| Cr | 71.5 | kN | Basic dynamic load rating |
| C0r | 45 | kN | Basic static load rating |
| mass | 5.3 | kg | Mass approx. |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 5
COOL Pillowcases Worth Buying
Color: Champagne, Size: Queen
I bought these to try out, and I was shocked to find they worked out better than my silk pillowcases. I have atopic dermatitis, and I need a pillowcase that doesn't irritate my skin. I also am having hot flashes and need something cool on my face. These pillowcases are perfect for both my conditions. I plan to buy more in different colors. My sons and husband also like it since they are always hot.
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Get this If your hot in bed
Color: Champagne, Size: Queen
Very nice and silky.helps keep me cooler.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026
★★★★★ 4
Cool not cold
Color: Light Gray, Size: Queen
Super silky like material. Comfy and fits pillow perfectly. Wish it could be a more cold then cool.
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Reviewed in the United States on June 1, 2026
★★★★★ 3
It’s ok could be cooler
Color: Light Gray, Size: Queen
Decent — could be cooler. They’re a nice color and texture. It fit my pillows well no annoying zippers it’s nice to sleep on and stay in place.
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Reviewed in the United States on March 8, 2026
★★★★★ 5
Comfort
Color: Champagne, Size: Queen
What a lifesaver, great feel, and awesome cooling feel
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Reviewed in the United States on June 2, 2026