SFU 4010-4 Ball Screw Nut
The SFU 4010-4 Ball Screw Nut is a heavy-duty, high-capacity linear-motion component suited for industrial and CNC applications where high load-bearing capability, long travel, and fast linear displacement are required. Designed for a 40 mm diameter screw shaft with a 10 mm lead, each revolution moves the nut 10 mm along the shaft — enabling rapid long-axis movement for heavy loads. The nut’s design includes an internal ball recirculation system (4‑circuit) that ensures smooth, low-friction motion with reduced backlash and enhanced rigidity, even under high loads or during frequent motion cycles. Made from hardened alloy steel, both screw and nut are built for durability and longevity. Its robust dimensions and mounting compatibility make SFU 4010-4 ideal for heavy CNC machines, large‑scale automation equipment, industrial positioning tables, and any application demanding high stiffness, reliability, and efficient linear motion under load.
SFU 2010-4 Ball Screw Nut
The SFU 2010-4 Ball Screw Nut is a precision linear-motion component built for CNC machines, automation systems, and other machinery where accurate, repeatable linear displacement is needed. It works with a 20 mm diameter screw and a 10 mm lead, translating each full screw revolution into 10 mm of linear travel — giving faster traverse compared to lower-lead screws. The nut uses an internal recirculating ball circuit (4‑circuit design) that reduces friction and backlash, improving rigidity and positioning accuracy under load. Constructed from hardened bearing/alloy steel for both nut and screw, it delivers good durability and lifespan even under repeated or heavy-duty use. Its flanged nut design uses a standard mounting arrangement, compatible with common supports and nut‑housings, making SFU 2010-4 a convenient and dependable choice for linear-motion axes in CNC, milling, or automation setups.
SFU 1610-4 Ball Screw Nut
The SFU 1610-4 Ball Screw Nut is a precision linear‑motion component ideal for CNC machines, 3D printers, automation equipment, and other mechanical systems where smooth, repeatable linear displacement is important. It works with a 16 mm screw shaft and provides a 10 mm linear advance per revolution, enabling fast motion along the axis. The nut uses an internal ball‑recirculation design (with 4 circuits, as indicated by “‑4”) that reduces friction and backlash, improving rigidity, responsiveness, and positioning accuracy — which is especially useful under load or during frequent motions. Built from hardened alloy or bearing steel, the nut is durable and wear‑resistant even under prolonged or heavy use, giving a long service life in demanding environments. Its flanged-nut design and standard mounting provisions make it compatible with common bearing blocks and support units, simplifying integration into machines and automation frames.
SFU 3210‑4 Ball Screw Nut
The SFU 3210‑4 Ball Screw Nut is a precision linear-motion component designed for CNC machines, automation systems, and industrial equipment that require efficient, fast, and repeatable linear displacement. With a 32 mm screw shaft diameter and a 10 mm lead, it delivers comparatively rapid linear motion per revolution — making it ideal where speed and throughput matter, while still maintaining smooth, low‑friction operation. The nut uses a 4‑circuit internal ball‑recirculation design to reduce friction, minimize backlash, and enhance rigidity — which helps preserve positioning accuracy under load. Made of hardened alloy / bearing steel and manufactured with attention to durability, the SFU 3210‑4 nut offers long service life even under continuous or heavy-duty use. Its flanged nut design with standard mounting provisions makes it compatible with common support blocks and machine assemblies, giving engineers a reliable, easy-to-integrate choice for high-speed, medium-to-heavy duty linear-motion applications.
SFU 2510-4 Ball Screw Nut
The SFU 2510-4 Ball Screw Nut is a precision linear‑motion component built for CNC machines, automation systems, and industrial equipment that require reliable, smooth, and efficient conversion of rotary motion into linear movement. With a 25 mm screw diameter and a 10 mm lead, it offers faster linear displacement per revolution — making it suited for applications where both speed and moderate load‑handling are important. The nut uses a 4‑circuit internal ball recirculation design to reduce friction, decrease backlash, and improve rigidity and accuracy under load. Constructed from hardened bearing alloy‑steel, the unit is designed for long service life and durability even over extended or repetitive use. Its standard flange mounting configuration and compatibility with common support blocks make it a dependable choice for engineers, machinists, and automation designers seeking a balance between speed, precision, and durability in their linear‑motion systems.
The SFU 1605-4 Ball Screw Nut is a precision linear-motion component engineered for CNC machines, 3D printers, engraving machines, robotics, and other automated systems where smooth, accurate, and repeatable linear travel is required. It works with a screw shaft of 16 mm diameter and a 5 mm lead, converting rotational motion into reliable linear displacement with minimal friction. The nut features a 4-circuit internal ball-recirculation design that reduces backlash and enhances rigidity, which improves positioning accuracy and repeatability under load. Made from hardened alloy/ bearing-steel, the SFU 1605-4 nut is built for durability and long service life—even under continuous use. Thanks to its standard flange-style mounting, it is compatible with common nut housings and support units (e.g. BK12/BF12), making it a convenient choice for both DIY and industrial linear-motion setups.
SFU 2005-4 Ball Screw Nut
The SFU 2005-4 Ball Screw Nut is a high-precision linear motion component designed for CNC machines, automation systems, and industrial equipment requiring smooth, accurate, and repeatable movement. Designed to operate on a 20 mm diameter screw with a 5 mm lead, it delivers efficient linear displacement with very low friction, making it suitable for both moderate-speed and moderate-load applications. Constructed from hardened alloy steel, the nut offers excellent durability, wear resistance, and long service life under continuous operation. Its 4-circuit internal recirculation design provides improved rigidity and reduced backlash, ensuring stable positioning accuracy even in demanding environments. Compatible with standard ball-screw supports and mounting blocks, the SFU 2005-4 Ball Screw Nut is a reliable choice for builders, machinists, and automation engineers who need precision and stability in their linear-motion systems.
The SFU 3505-4 Ball Screw Nut is a high-precision linear-motion component engineered for heavy-duty CNC machinery, industrial automation systems, and equipment requiring smooth, accurate, and repeatable linear positioning. Designed to work with a 35 mm diameter screw and a 5 mm lead, it provides stable, efficient linear travel with very low friction, making it suitable for applications that demand both high load capacity and consistent motion control. Manufactured from hardened alloy steel, the nut offers exceptional strength, wear resistance, and long service life even under continuous or high-stress operation. Its multi-circuit internal recirculation design reduces backlash, improves rigidity, and enhances overall positioning accuracy, ensuring reliable performance in precision-critical environments. Compatible with standard ball-screw supports and mounting blocks, the SFU 3505-4 Ball Screw Nut is an excellent choice for machine builders, CNC retrofitters, and automation engineers seeking robust, accurate, and durable linear-motion performance
SL 04 5005 PP
The SL 04 5005 PP is a compact yet durable double-row, full-complement cylindrical roller bearing designed for applications requiring high radial load capacity in a small footprint. With a 25 mm bore, 47 mm outer diameter, and 30 mm width, it is suitable for small to medium-sized industrial machinery, pulleys, sheaves, and gearboxes. Its full-complement design maximizes the number of rollers, providing excellent radial rigidity and even load distribution under heavy loads. The PP double-sided contact seals protect the internal rollers and raceways from dust, moisture, and contaminants, extending service life and reducing maintenance. The snap-ring groove on the outer ring allows secure axial positioning in housings. With a dynamic load rating of approximately 44.5 kN and a static rating of 60 kN, and a limiting grease-lubricated speed of around 4,700 rpm, the SL 04 5005 PP is ideal for reliable, sealed, heavy-load radial applications.
SL04 5007 PP
The SL04 5007 PP is a robust, full-complement cylindrical roller bearing designed to handle heavy radial loads in demanding industrial applications. With a 35 mm bore, 62 mm outer diameter, and 36 mm width, it provides a compact yet strong solution suitable for heavy-duty machinery and constrained spaces. Its double-row, full-complement design maximizes the number of rollers, ensuring superior radial rigidity and even load distribution under high loads. The PP double-sided contact seals protect internal rollers and raceways from dust, moisture, and other contaminants, extending service life and minimizing maintenance. The snap-ring groove on the outer ring allows secure axial positioning in housings when needed. With high radial load capacity and a limiting grease-lubricated speed of approximately 3,500 rpm, the SL04 5007 PP is ideal for gearboxes, sheaves, pulleys, conveyor systems, and other industrial equipment requiring reliable, sealed, heavy-load cylindrical roller bearings.
SL 04 5008 PP
The SL 04 5008 PP is a durable double‑row cylindrical roller bearing built for heavy-duty, radial-load applications. With a 40 mm inner bore, 68 mm outer diameter, and a compact 38 mm width, this bearing delivers excellent load-bearing capacity while maintaining compact dimensions. Its full‑complement roller design (no cage) maximizes roller count for superior radial rigidity and load distribution under heavy loads. The PP double-sided contact seals shield the internal rollers and raceways from dust, moisture, and contaminants — enhancing longevity and reducing maintenance needs. The bearing also features a snap-ring groove on the outer ring for secure axial positioning when mounted, making SL 04 5008 PP ideal for industrial drives, pulleys, sheaves, gearboxes, and other machinery requiring robust radial support, smooth rotation, and sealed protection in demanding environments.
SL04 5010 PP
The SL04 5010 PP is a heavy-duty double-row cylindrical roller bearing designed for applications that require superior radial load capacity and long-term reliability. With a 50 mm inner diameter, 80 mm outer diameter, and 40 mm width, it provides a compact yet sturdy solution for industrial machinery and mechanical systems. Its full-complement design maximizes the number of rollers, ensuring excellent radial load distribution and rigidity under heavy or continuous-duty operations. The PP double-sided contact seals protect the internal rollers and raceways from dust, moisture, and other contaminants, enhancing durability and reducing maintenance requirements. A snap-ring groove on the outer ring allows secure axial positioning in housings. SL04 5010 PP is ideal for gearboxes, pulleys, sheaves, conveyor systems, and other heavy-duty equipment where high radial loads and reliable, low-maintenance operation are essential.
SL04 5011 PP
The SL04 5011 PP is a high-strength double-row cylindrical roller bearing designed for heavy-duty applications requiring superior radial load capacity and durability. With a 55 mm inner diameter, 90 mm outer diameter, and 46 mm width, it provides a compact yet rigid solution for industrial machinery. Its full-complement design maximizes the number of rollers, ensuring excellent load distribution and stability under heavy radial loads. The PP double-sided contact seals protect the bearing from dust, moisture, and other contaminants, extending service life and minimizing maintenance requirements. A snap-ring groove on the outer ring enables secure axial positioning, making it ideal for gearboxes, heavy industrial drives, pulleys, conveyor sheaves, and other machinery requiring reliable performance under high radial loads.
SL04 5012 PP
The SL04 5012 PP is a heavy-duty, sealed double-row cylindrical roller bearing engineered for industrial applications requiring high radial load capacity, rigidity, and durability. Featuring a 60 mm inner diameter, 95 mm outer diameter, and 46 mm width, it provides a compact yet powerful solution for heavy-duty rotary systems. Its full-complement design allows the maximum number of rollers, ensuring superior load distribution and excellent radial bearing capacity. The PP double-sided seals protect the bearing from dust, moisture, and other contaminants, enhancing reliability and extending service life even in harsh working conditions. This bearing is ideal for gearboxes, rope sheaves, pulleys, industrial drives, and other machinery where high radial loads and minimal maintenance are essential.
SL04 5016 PP
The SL04 5016 PP is a high-performance, full-complement cylindrical roller bearing designed for heavy-duty applications requiring exceptional radial load capacity. Featuring an 80 mm inner diameter, 125 mm outer diameter, and a robust 60 mm width, this bearing delivers outstanding strength and rigidity. Its full-complement design allows it to hold the maximum number of rollers, providing superior load distribution and stability under high radial forces. The “PP” designation indicates double-sided contact seals, which protect the internal components from dust, debris, and moisture, ensuring longer service life and reliable operation even in harsh industrial environments. Ideal for gearboxes, lifting equipment, rope sheaves, and various heavy machinery, the SL04 5016 PP offers dependable performance where durability, load capacity, and low maintenance are essential.
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