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Ships within 48 hours · Estimated delivery Jul 18 - Jul 23
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Description
21311 EAE4C3 NSK21311EAE4 d 55 mm Bore diameter D 120 mm Outside diameter B 29 mm Width r (min.) 2 mm Chamfer dimension Cr 178000 N Basic dynamic load rating C0r 174000 N Basic static load rating Thermal Speed Rating (Oil bath) 5300 min 1 Oil bath lubrication subject to conditions outlined in ISO 15312 Mechanical (forced circulation oil) 8000 min 1 Properly designed and controlled forced circulation oil lubrication Grease 4500 min 1 Grease lubrication Oil (Oil bath)
| 21311EAE4 |
| d | 55 | mm | Bore diameter |
| D | 120 | mm | Outside diameter |
| B | 29 | mm | Width |
| r (min.) | 2 | mm | Chamfer dimension |
| Cr | 178000 | N | Basic dynamic load rating |
| C0r | 174000 | N | Basic static load rating |
| Thermal Speed Rating (Oil-bath) | 5300 | min-1 | Oil-bath lubrication subject to conditions outlined in ISO 15312 |
| Mechanical (forced-circulation oil) | 8000 | min-1 | Properly designed and controlled forced-circulation oil lubrication |
| Grease | 4500 | min-1 | Grease lubrication |
| Oil (Oil-bath) | 5600 | min-1 | Oil-bath lubrication |
| da (min.) | 65 | mm | Diameter of shaft abutment (min) |
| da (max.) | 72 | mm | Diameter of shaft abutment |
| Da (min.) | 98 | mm | Diameter of housing abutment |
| Da (max.) | 110 | mm | Diameter of housing abutment |
| ra (max.) | 2 | mm | Radius of shaft or housing fillet |
| e | 0.23 | Constant | |
| Y2 | 4.4 | Axial load Factors | |
| Y3 | 3 | Axial load Factors | |
| Y0 | 2.9 | Axial load Factors |
| Mass approx. | 1.58 | 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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- Standard Shipping : 3-10 business days
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Exchange/Return Notes
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4.1 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 5
Smart cotton pad pack, versatile for all skincare needs
Size: 500 Count
Including two types of cotton pads in this pack is a smart move. Both are high-quality, lint-free, and excellent for skincare needs. One is thick, perfect for cleansing, while the other is a thin pad ideal for soaking with toner and placing on skin for absorption—like a Korean sheet mask. The thin pads come in five stackable layers, usable as regular pads or separated for targeted use. I like using them when a thick pad isn't needed, minimizing waste. The cotton rounds come in a reusable plastic container. I'll continue to repurchase these. Highly recommend.
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Reviewed in the United States on July 16, 2025
★★★★★ 5
Two different thicknesses
Glad I bought 2 of these. Duo of different thicknesses provides multiple uses and applications. Soft. Lint free. Good quality. Nice box.
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Reviewed in the United States on December 19, 2025
★★★★★ 4
light use pads
Size: 475 Count
Pads are great but very thin. Fine for very light use but prefer pads a bit thicker. They do wipe well and are easy on the skin and would function fine for light chores. I like that they come in a case for storage.
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Reviewed in the United States on August 2, 2025
★★★★★ 5
Very good pads.
Size: 475 Count
I use these cotton pads to clean my guns after returning from my gun club. Obviously that isn’t what most people use them for but they are well made and sturdy.
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Reviewed in the United States on January 15, 2026
★★★★★ 5
Perfect to use take off makeup, or put products on your face.
Size: 500 Count
This has a thin side and thicker side. Very soft for putting product on or taking it off. Great value for my money. These are made of great quality, they are easy to use for the functionality they were made for.
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Reviewed in the United States on August 22, 2025