
NTN KR80H cam follower
- Brand
- NTN
- Category
- Bearings
- Subcategory
- Cam follower and support roller
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Description
NTN KR80H belongs to cam follower, 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 KR80H and any equivalents.
A cam follower from the NTN KR H series combines a cylindrical roller bearing with a stud that is built into the unit, so it can carry radial loads and transfer motion in cam tracks, guideways and rolling assemblies. The design handles combined forces, which suits tough industrial duty. MR supplies these cam followers and quotes them by the size you specify.
Reading the code tells you the size. KR marks a cam follower with an integral stud. The digits after it give the outside diameter in millimeters. The trailing H means the stud end has a hexagonal hole, which helps during mounting and adjustment. So KR30H measures 30 mm across the outside diameter, and KR52H measures 52 mm. With that pattern you can move from a drawing or an existing part to the right code quickly.
You will find this style of roller in machine tools, automation equipment, conveyors, presses and linear guidance setups, as well as in drive cams, rail support rollers and lifting mechanisms. Because the unit is sealed and lubricated, it copes with dust, chips and moderate humidity, conditions common in metalworking, food processing and packaging plants.
Selection comes down to the radial load the roller must carry, the rotation speed and where it will be installed. The integral seal keeps contaminants out and lubricant in, though very harsh exposure may call for extra sealing. The support surface has to be flat and perpendicular to the stud, and alignment matters so that unwanted axial loads do not appear. Lubrication for life keeps maintenance simple; high temperatures or high speeds may still call for relubrication.
Interchangeability deserves attention. Cam followers from different makers can differ in dimensions and load capacity, and codes that look alike do not always match. Confirm the technical data before swapping a part. If you are working from another brand's code, MR can point you to a compatible option or quote the exact code you need.
To get a quote on an NTN KR H series cam follower, send the code or the size through WhatsApp or email. MR serves customers throughout the United States and in several Latin American countries, answers promptly, and can suggest equivalents and help you choose.
Dimensions
- Bore
- 80 mm
Frequently asked questions
- What does the H at the end of an NTN KR series cam follower mean?
- It shows that the stud end is made with a hexagonal hole, so the roller can be mounted and adjusted with an Allen key. Applications that need fast, secure mounting often use this version.
- How do I pick the correct cam follower size?
- Start with the radial load, the rotation speed, the outside diameter you need and the working environment. The digits in the KR H code give the outside diameter in millimeters. If anything is unclear, send your application details to MR and the team will help.
- Can an NTN KR H cam follower replace one from another brand?
- Dimensional matches sometimes exist between brands, but load capacity and materials can differ, so check the specifications first. Give MR the code from the other brand and the team will identify a compatible alternative or quote that exact code.

