NSK KC-45554 needle roller bearing
- Brand
- NSK
- Category
- Bearings
- Subcategory
- Needle roller bearing
- Series
- KC
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Description
NSK KC-45554 belongs to needle roller bearing, part of our Bearings range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for KC-45554 and any equivalents.
When a housing leaves no room for a standard bearing but the shaft still carries a heavy radial load, the NSK KC series needle roller bearing is the usual answer. Its thin cross section fits into gearboxes, pumps, machine tools and other industrial equipment where precision and rigidity matter. MR Industrial Accessories LLC supplies this series to customers in the United States and Latin America, and helps match the code to the application.
Reading the code is the first step in selection. The letters KC mark the needle roller bearing family, while the digits that follow describe the size and the design variant. Codes such as KC-14203, KC-14223, KC-15213 and KC-16223 differ in those digits, and each combination points to a specific bore, width, cage or sealing arrangement. When you ask for a quote, send the complete code so the dimensions can be confirmed against it.
Typical installations include gearboxes, gear pumps, compressors, industrial sewing machines and power tools, across sectors such as automotive, metalworking, food processing and petrochemicals. They also appear in production line maintenance and in agricultural machinery repair, two situations where radial space is tight and the load is not.
Selection depends on three inputs: the radial load, the rotation speed and the working environment. Where dirt or moisture is present, a sealed variant is the sensible choice; where lubrication is critical, check the cage type and the internal clearance. Correct alignment at mounting and a proper lubricant supply are what keep wear down. Compared with ball bearings, this series tolerates higher speeds and gives more rigidity.
Interchange is possible with equivalent bearings from other manufacturers provided the main dimensions and tolerances line up. If you only have another brand's code, or a part you cannot identify, send the data and the compatible option can be indicated. MR Industrial Accessories LLC works with leading brands and can quote the exact size required.
To start, send the full bearing code by WhatsApp or email, for example KC-17243, or the measurements from your drawing. The team replies promptly and can suggest equivalents or help choose the right part for the equipment.
Dimensions
Dimensions and tolerances: Message us the part number on WhatsApp and we'll verify its dimensions and version with the manufacturer's datasheet.
Frequently asked questions
- What does the KC designation mean in NSK bearings?
- KC is the marker for this NSK needle roller bearing series. The digits after it carry the size and design information, including bore, width and whether the bearing is sealed or open, along with the cage style. Send the complete code and it can be interpreted for you.
- How do I pick the right needle roller bearing for my application?
- Start with the radial load, the speed and the space available, then factor in the environment. Dirt or moisture calls for a sealed variant. Alignment and lubrication have a direct effect on how long the bearing lasts. Share your equipment details and the team will advise.
- Can a bearing from another brand be replaced by an NSK KC series one?
- It can, as long as the main dimensions and tolerances are equivalent, which is the usual case for needle roller bearings. If you have a competitor's code or an unidentified part, send the data and a compatible option will be identified.