NTN KR30LL/3AS cam follower
- Brand
- NTN
- Category
- Bearings
- Subcategory
- Cam follower and support roller
- Series
- KR
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Description
NTN KR30LL/3AS 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 KR30LL/3AS and any equivalents.
NTN KR series cam followers are roller bearings with a threaded stud, mounted directly onto cams, guides or raceways. They handle radial loads and tilting moments in lifting mechanisms, conveyors and cam systems. The LL sealing option suits dusty conditions and permanent lubrication.
Reading the code: KR means a cam follower with a threaded stud. The number is the outside diameter in millimeters, so KR30 has a 30 mm outside diameter. LL indicates double-lip contact seals, and /3AS denotes a special design with stud and nut. For example, KR40LL/3AS is a sealed 40 mm outside diameter roller with mounting stud and nut.
Typical applications include actuating cams, raceway guides, chain conveyors, packaging machines, lifting equipment and positioning systems. They are common in automotive production lines, food plants, road machinery and metallurgical equipment. Their capacity for radial loads and tilting moments makes them suitable where space is tight and a robust support is needed.
Selecting a KR cam follower requires the outside diameter, sealing type (LL for contaminated areas), stud thread and recommended tightening torque. Mounting must align precisely with the raceway; excessive misalignment reduces service life. Most sealed versions have permanent lubrication, but severe applications may need relubrication through the stud. Check concentricity and axial clearance for the specific use.
NTN KR cam followers interchange with other brands using the same international nomenclature, such as SKF, INA or NSK, if dimensions and design match. When requesting a quote, provide the complete part number (e.g., KR32LL/3AS) to ensure compatibility. For a worn part replacement, compare outside diameter, width, thread and sealing type before installation.
To request a quote for NTN KR series cam followers, send the part number or required dimensions via WhatsApp or email. The team replies promptly and can suggest equivalents and help you choose the right design for your application.
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 LL suffix mean in KR rollers?
- LL indicates double-lip contact seals that keep dust out and retain lubrication. It is the recommended design for contaminated environments or where particles are present.
- How do I choose the right KR roller for my machine?
- Define the outside diameter, width, stud thread and sealing. If you have the original part number, send it via WhatsApp and we will quote the exact reference.
- Are NTN KR rollers compatible with other brands?
- Yes, they follow an international nomenclature that allows interchangeability with cam followers from other brands, as long as dimensions, thread and design match. Verify those data before replacing.