NKIA 5902
The NKIA 5902 is a compact needle roller bearing with an inner ring, designed for applications with limited radial space that require high radial load capacity. With a 15 mm bore, 28 mm outer diameter, and 22 mm width, it offers reliable rotation and minimal deflection under load. Constructed from high-quality bearing steel, NKIA 5902 ensures long service life and is suitable for automotive transmissions, industrial gearboxes, and mechanical linkages where durability and precise motion are required.
NKIA 5903
The NKIA 5903 needle roller bearing features an inner ring and is designed for compact, high-load applications. With a 17 mm bore, 30 mm outer diameter, and 25 mm width, it provides smooth rotation and excellent radial load support. Made from durable bearing steel, this bearing is ideal for transmissions, gearboxes, and other machinery requiring precision, reliability, and long-lasting performance.
NKIA 5904
The NKIA 5904 is a robust needle roller bearing with an inner ring, designed to support heavy radial loads in compact spaces. Its 20 mm bore, 32 mm outer diameter, and 30 mm width allow for high load-carrying capacity with minimal deflection. Constructed from high-quality bearing steel, it is ideal for automotive gearboxes, industrial machinery, and mechanical linkages where precise rotation and durability are essential.
NKIA 5905
The NKIA 5905 is a needle roller bearing with an inner ring, designed for medium to heavy radial loads in compact assemblies. With a 25 mm bore, 37 mm outer diameter, and 30 mm width, it provides excellent load distribution and rotation stability. Made from high-quality bearing steel, NKIA 5905 is perfect for transmissions, industrial machinery, and mechanical systems requiring long-lasting, reliable performance.
NKIA 5906
The NKIA 5906 is a heavy-duty needle roller bearing with an inner ring, ideal for applications with high radial loads in limited radial space. Its 30 mm bore, 42 mm outer diameter, and 32 mm width provide reliable rotation with minimal deflection. Constructed from durable bearing steel, NKIA 5906 is suitable for industrial gearboxes, automotive transmissions, and other machinery requiring precise and durable bearings
NKIA 5907
The NKIA 5907 is a robust needle roller bearing with inner ring, designed to support high radial loads in compact spaces. Its 35 mm bore, 47 mm outer diameter, and 34 mm width allow excellent load handling and rotation stability. Made from high-quality bearing steel, this bearing is ideal for heavy-duty industrial machinery, automotive gearboxes, and applications requiring durable, precise rotation.
NKIA 5908
NKIA 5908 — Description
The NKIA 5908 is a high-capacity needle roller bearing with inner ring, ideal for heavy radial load applications. With a 40 mm bore, 52 mm outer diameter, and 36 mm width, it provides maximum load support in a compact radial space. Constructed from durable bearing steel, NKIA 5908 ensures reliable performance and is perfect for industrial gearboxes, transmissions, and mechanical systems requiring precision and durability.
The NKIA 5908 is a high-capacity needle roller bearing with inner ring, ideal for heavy radial load applications. With a 40 mm bore, 52 mm outer diameter, and 36 mm width, it provides maximum load support in a compact radial space. Constructed from durable bearing steel, NKIA 5908 ensures reliable performance and is perfect for industrial gearboxes, transmissions, and mechanical systems requiring precision and durability.
NKIA 5910
The NKIA 5910 is a heavy-duty needle roller bearing with an inner ring, designed for very high radial loads in compact spaces. With a 50 mm bore, 65 mm outer diameter, and 42 mm width, it provides superior load handling and rotation stability. Made from high-quality bearing steel, NKIA 5910 is ideal for automotive transmissions, industrial gearboxes, and machinery requiring high reliability and long service life.
NKIB 5903
The NKIB 5903 is a needle roller bearing with an inner ring designed to support high radial loads in applications with limited radial space. Featuring a 17 mm bore, 30 mm outer diameter, and 25 mm width, it provides a compact yet robust solution for heavy-duty rotational components. The full complement of needle rollers maximizes the load contact area, enhancing load-carrying capability and reducing deflection under stress. Made from durable bearing steel, NKIB 5903 ensures long-lasting performance in industrial machinery, automotive gearboxes, and other precision applications where high radial load and reliable rotation are required.
NKIB 5904
The NKIB 5904 is a high-performance needle roller bearing with an inner ring, designed for applications where compact radial space and high load capacity are critical. With a bore of 20 mm, an outer diameter of 32 mm, and a width of 30 mm, this bearing can handle heavy radial loads in a small footprint. Its full complement of needle rollers ensures maximum contact area, allowing for high load-carrying capability while minimizing deflection. Constructed from high-quality bearing steel, NKIB 5904 offers durability, reliability, and long service life. It is ideal for use in transmissions, gearboxes, automotive applications, and industrial machinery where precise rotation and heavy radial loads are encountered.
HSR15A1UU(GK) Block
The THK HSR15A1UU (GK) is a compact, high-precision linear guide designed for smooth, stable, and low-friction linear motion. It features a 15 mm-wide rail and a compact block measuring 47 mm in width, 24 mm in height, and 56.6 mm in length, making it ideal for applications where space is limited.
Inside the block, multiple recirculating ball bearings run along precision-ground raceways, providing smooth, accurate, and repeatable motion. Its four-way contact design distributes loads evenly in radial, reverse-radial, and lateral directions, ensuring rigidity and stability even under varied load conditions.
The HSR15A1UU (GK) is perfect for light to medium-duty tasks in small CNC machines, precision jigs, automation assemblies, measurement or inspection equipment, and other machinery requiring compact, precise linear motion. Despite its small size, it offers a high dynamic load capacity (~10.9 kN) and static load capacity (~15.7 kN), making it a reliable and versatile solution for precision applications.
HSR20A1UU(GK) Block
The THK HSR20A1UU(GK) is a high-precision linear motion system designed to provide smooth, stable, and low-friction movement for a wide range of industrial and automation applications. Featuring a 20 mm wide rail and a block measuring 63 mm in width, 30 mm in height, and 74 mm in length, this guide offers a compact yet robust solution for medium-duty loads.
The block contains recirculating ball bearings arranged in four rows along precision-ground raceways, allowing the balls to roll smoothly and deliver accurate, repeatable motion. Its four-way contact design ensures balanced load capacity in radial, reverse-radial, and lateral directions, enabling the guide to maintain high rigidity and stability even under complex or uneven loads. Additionally, the internal geometry allows for minor self-adjustment, compensating for small installation misalignments and ensuring consistent performance.
The HSR20A1UU(GK) is ideal for CNC machinery, automation systems, robotic equipment, milling machines, and other precision devices that require reliable linear motion. Its combination of compact dimensions, high load capacity, low friction, and durability makes it a versatile choice for applications where precision, repeatability, and smooth operation are critical.
HSR25A1UU(GK) Block
The THK HSR25A1UU linear guide is a high-precision linear motion system designed for smooth, stable, and low-friction movement in industrial machinery and automation equipment. It features a 25-series rail with a block measuring approximately 70 mm in width, 36 mm in height, and 83.1 mm in length, providing a robust solution for heavier loads and larger machines compared to smaller series guides.
The block contains multiple recirculating ball bearings arranged in four rows within precision-ground raceways, allowing the balls to circulate smoothly and deliver consistent linear motion. This four-way contact design ensures balanced load capacity in all directions—radial, reverse-radial, and lateral—enabling the guide to support complex loads while maintaining high accuracy and stability. The internal geometry also allows for minor self-adjustment, compensating for small installation misalignments to ensure smooth operation.
The HSR25A1UU is built for durability and long service life, making it ideal for demanding applications such as CNC machines, milling and grinding equipment, robotic systems, and automated assembly lines. Its compact yet strong design reduces friction and drive power requirements while providing precise, repeatable motion. This combination of high load capacity, rigidity, and reliability makes the HSR25A1UU an efficient and versatile choice for both industrial-scale machinery and precision engineering projects.
HSR15R1UU(GK) Block
HSR20R1UU(GK) Block
HSR25R1UU(GK) Block
The THK HSR25R1UU(GK) Block is part of the HSR series of linear-motion guide blocks, designed for smooth, precise, and high-rigidity movement on a matching 25 mm rail. It features a full-complement ball bearing construction that provides nearly equal load capacity in all directions, including radial, reverse radial, and lateral. The block has a carriage width of 48 mm, a height of 40 mm, and a block length of 83.1 mm.
The HSR25R1UU includes M6 tapped mounting holes and end seals (“UU” type) to protect the ball-bearing interior from dust and contaminants. Its design offers a basic dynamic load rating of approximately 27.6 kN and a basic static load rating of around 36.4 kN, ensuring robust performance under heavy loads.
Because of its balanced multi-direction load handling, sturdy construction, and precise low-friction motion, the HSR25R1UU(GK) block is ideal for CNC machines, industrial automation, and other precision machinery requiring reliable, smooth linear motion.
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