Needle roller and cage assemblies
AMIGO needle roller and cage assemblies are self-contained, ready-to-mount bearings. When the shaft and housing bore can act as raceways, these assemblies allow for bearing arrangements that need minimal radial space.
- Lowest cross section among rolling bearings
In applications where less space is available, needle roller and cage assemblies offer a very compact solution. - High load carrying capacity
Owing to their large number of rollers, needle roller and cage assemblies have a high load carrying capacity. - High stiffness
Because of their large number of small-diameter rollers, needle roller and cage assemblies have high stiffness.
Needle roller and cage assemblies are widely used in various industries. Their availability matches their versatility across numerous applications in a wide range of designs, variants, and sizes. Examples of applications include:
- Automotive Industry
- Aerospace Industry
- Agriculture
- Industrial Machinery
- Construction Equipment
- Textile Machinery
- Medical Devices
Needle roller and cage assemblies - Designs and Variants
Single Row Needle Roller and Cage Assemblies
Single row needle roller and cage assemblies consist of cylindrical rollers and cage assemblies in a single row design. They provide high load capacity for limited radial space and are ideal for applications with oscillating or rotating motion. Available in metric and inch sizes, these assemblies are widely used in various industries for their reliability and durability.
Double Row Needle Roller and Cage Assemblies
Double row needle roller and cage assemblies have rollers arranged in two rows, providing higher load capacity and improved rigidity compared to single row designs. These are suitable for applications where space is limited, and higher radial loads are encountered. They can handle dynamic and static loads efficiently.
Needle roller and cage assemblies Size Chart
| Designation | Fw [mm] | t? [mm] | Ew [mm] | U [mm] |
|---|---|---|---|---|
| K 47X52X27 | 47 | 52 | 32 | 27 |
| K 50X55X13.5 | 50 | 55 | 13.5 | 20 |
| K 50X55X20 | 50 | 55 | 20 | 30 |
| K 50X55X30 | 50 | 55 | 30 | 20 |
| K 50X57X18 | 50 | 57 | 18 | 25 |
| K 50X58X25 | 50 | 58 | 25 | 25 |
| K 52X57X12 | 52 | 57 | 12 | 18 |
| K 55X60X20 | 55 | 60 | 20 | 30 |
| K 55X60X30 | 55 | 60 | 30 | 30 |
| K 55X62X18 | 55 | 62 | 18 | 32 |
| K 55X63X20 | 55 | 63 | 20 | 25 |
| K 55X63X25 | 55 | 63 | 25 | 20 |
| K 55X63X32 | 55 | 63 | 32 | 30 |
| K 58X65X18 | 58 | 65 | 18 | 30 |
| K 60X65X20 | 60 | 65 | 20 | 20 |
| K 60X65X30 | 60 | 65 | 30 | 30 |
| K 60X68X20 ZW | 60 | 68 | 20 | 25 |
| K 60X68X23 | 60 | 68 | 23 | 23 |
| K 60X68X25 | 60 | 68 | 25 | 30 |
| K 65X70X20 | 65 | 70 | 20 | 25 |
| K 65X73X23 | 65 | 73 | 23 | 25 |
| K 65X73X30 | 65 | 73 | 30 | 30 |
| K 68X74X20 | 68 | 74 | 20 | 30 |
| K 68X74X30 | 68 | 74 | 30 | 30 |
| K 68X74X35 ZW | 68 | 74 | 35 | 30 |
| K 70X76X20 | 70 | 76 | 20 | 25 |
| K 70X76X30 | 70 | 76 | 30 | 30 |
Recommended Reading
Frequently Asked Questions (FAQs)
Q: What industries commonly use Needle roller and cage assemblies?
A: Industries such as automotive, aerospace, construction, and machinery manufacturing use Needle roller and cage assemblies for their high load-bearing capabilities and compact design.
Q: What is the main advantage of using Needle roller and cage assemblies?
A: The main advantage is their high load-bearing capacity in a small design. They can handle heavy radial loads with minimal space requirements.
Q: How do Needle roller and cage assemblies differ from traditional roller bearings?
A: Unlike traditional roller bearings, Needle roller assemblies have a smaller cross-section and more needles, which increases the load capacity and allows them to fit in tighter spaces.
Q: Can Needle roller and cage assemblies operate at high speeds?
A: Yes, they are designed to handle high-speed applications efficiently while maintaining high load-bearing capacity.
Q: What materials are used to manufacture Needle roller and cage assemblies?
A: These assemblies are typically made from hardened steel for the rollers and high-strength alloys or synthetic materials for the cage.
Q: Are Needle roller and cage assemblies easy to install?
A: Yes, they are designed for easy installation and can be integrated into various mechanical systems without requiring complex setups.
Q: What are the maintenance requirements for Needle roller and cage assemblies?
A: Needle roller assemblies generally require minimal maintenance but may need periodic lubrication to ensure smooth operation and prevent wear over time.
Q: What is the typical lifespan of Needle roller and cage assemblies?
A: The lifespan depends on the operating conditions, load, and lubrication. With proper maintenance, they can offer extended service life under heavy-duty applications.
Q: How do I select the correct Needle roller and cage assembly for my application?
A: The selection depends on factors like load capacity, speed, space constraints, and operating conditions. It’s essential to consult manufacturer specifications to choose the right assembly for optimal performance.