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Needle Roller and Cage Assemblies
Needle roller and cage assemblies are high-performance components designed for applications requiring high load capacity in a compact space. These needle bearings feature thin cylindrical rollers and a precise bearing cage that ensures accurate roller guidance and low friction. Unlike loose needle rollers, the cage structure ensures uniform load distribution, reduces friction heat by up to 40%, and prevents roller skewing during high-speed operation. TFL’s assemblies undergo rigorous testing to exceed ISO 9001 standards.
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Total 260 Results
Part Number
Brand
Bore Dia
Outer Dia
Width
System of Measurement
Construction
Series
Cage Material
Dynamic Radial Load
Static Radial Load
Max Speed
Weight
K22X32X24
TFL
22 mm
32 mm
24 mm
Metric
Single Row
K Series
Steel
7650 lbf
9000 lbf
18100 rpm
43 g
K23X35X16-TV
TFL
23 mm
35 mm
16 mm
Metric
Single Row
K Series
PA66
5512 lbf
5378 lbf
16900 rpm
29 g
K24X28X10
TFL
24 mm
28 mm
10 mm
Metric
Single Row
K Series
Steel
2160 lbf
3330 lbf
18800 rpm
8.5 g
K24X28X13
TFL
24 mm
28 mm
13 mm
Metric
Single Row
K Series
Steel
2475 lbf
3960 lbf
18800 rpm
10 g
K24X28X17
TFL
24 mm
28 mm
17 mm
Metric
Single Row
K Series
Steel
3262 lbf
5625 lbf
18800 rpm
13 g
K24X30X17
TFL
24 mm
30 mm
17 mm
Metric
Single Row
K Series
Steel
4388 lbf
6188 lbf
18100 rpm
19 g
K24X30X31-ZW
TFL
24 mm
30 mm
31 mm
Metric
Double Row
K-ZW Series
Steel
6188 lbf
9788 lbf
18100 rpm
32 g
K25X29X10
TFL
25 mm
29 mm
10 mm
Metric
Single Row
K Series
Steel
2228 lbf
3465 lbf
18100 rpm
8.5 g
K25X29X13
TFL
25 mm
29 mm
13 mm
Metric
Single Row
K Series
Steel
2542 lbf
4140 lbf
18100 rpm
11 g
K25X29X17
TFL
25 mm
29 mm
17 mm
Metric
Single Row
K Series
Steel
3352 lbf
5850 lbf
18100 rpm
14 g
K25X30X17
TFL
25 mm
30 mm
17 mm
Metric
Single Row
K Series
Steel
4208 lbf
6750 lbf
17800 rpm
16 g
K25X30X20
TFL
25 mm
30 mm
20 mm
Metric
Single Row
K Series
Steel
4882 lbf
8212 lbf
17800 rpm
18 g
K25X30X26-ZW
TFL
25 mm
30 mm
26 mm
Metric
Double Row
K-ZW Series
Steel
4815 lbf
7988 lbf
17800 rpm
19 g
K25X31X17
TFL
25 mm
31 mm
17 mm
Metric
Single Row
K Series
Steel
4410 lbf
6412 lbf
17500 rpm
19 g
Enhanced Load Capacity and Compact Design
Needle roller and cage assemblies are renowned for their impressive load-carrying capabilities within an incredibly small cross-section. The large number of needle rollers in contact with the raceway distributes the load over a greater area, allowing these needle bearings to withstand significant radial forces. This design is not only space-efficient but also contributes to the longevity of the assembly by reducing localized stress.
The ability of needle roller bearings to handle heavy radial loads in tight spaces makes them a go-to solution where conventional roller bearings or ball bearings might be too bulky. This compact nature is particularly beneficial in applications with limited mounting space, such as automotive transmissions, industrial robotics, and various power tools.
Versatility in Application and Design Adaptability
The adaptability of needle roller and cage assemblies extends across a wide range of industries and machine designs. From heavy-duty construction equipment and agricultural machinery to intricate medical devices and precise robotics, these roller bearing assemblies provide reliable and efficient operation. They are frequently integrated into gearboxes, pumps, engine components, and various power transmission systems where high speed, precision, and robust performance are critical.
Furthermore, their modular design allows for flexibility: they can operate directly on a hardened shaft or with an inner ring, providing design engineers with options to optimize their assemblies. For applications requiring axial load support, needle roller thrust bearings are also available, seamlessly complementing the radial load capabilities of standard needle roller bearings.
Precision Manufacturing and Material Excellence
Our needle roller and cage assemblies are a testament to precision engineering and material science. TFL Bearings utilizes only high-grade bearing steel for the needle rollers, ensuring superior hardness, wear resistance, and fatigue life.
The bearing cage is crafted from durable materials like steel or specialized plastics, designed to precisely guide and space the needle rollers, minimizing friction and heat generation. The meticulous manufacturing of each needle roller bearing component, from the precision needle rollers to the robust cage, guarantees consistent quality, exceptional reliability, and extended service life.
We offer a comprehensive range of needle roller bearing sizes and provide detailed needle roller bearing dimensions charts to meet the exact specifications of diverse applications, ensuring our customers find the perfect fit for their needs. As a leading needle roller bearing manufacturer, we stand by the quality of our bearing assembly.
FREQUENTLY ASKED QUESTIONS
What is the main difference between a needle roller bearing and a ball bearing?
The primary difference lies in their rolling elements. Needle roller bearings use long, thin needle rollers, allowing for higher radial load capacity in a smaller space compared to ball bearings, which use spherical balls. This makes needle vs ball bearing selection crucial for specific design constraints, especially when space is limited and high radial loads are present.
Where are needle roller and cage assemblies typically used?
Needle roller and cage assemblies are widely used in applications requiring high load capacity within a compact design. Common uses include automotive transmissions, air conditioning compressors, steering systems, power tools, agricultural machinery, and various industrial gearboxes. They are also found in more specialized equipment such as fitness machines and office equipment.
How do I determine the correct needle roller bearing size for my application?
Selecting the correct needle roller bearing size involves considering several critical factors: the shaft diameter, housing bore, operating loads (both radial and axial), desired speed, and ambient temperature. We provide detailed needle roller bearing dimensions charts and comprehensive technical support to assist you in choosing the optimal needle bearing that perfectly matches your specific application requirements.
Are needle roller thrust bearings different from radial needle roller bearings?
Yes, needle roller thrust bearings support high axial loads in one direction, while radial needle roller bearings handle high radial loads. TFL provides both types for various industrial applications.
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