{"id":14480,"date":"2026-11-04T12:29:02","date_gmt":"2026-11-04T11:29:02","guid":{"rendered":"https:\/\/lubeteam.it\/?post_type=product&p=14480"},"modified":"2026-11-05T09:56:38","modified_gmt":"2026-11-05T08:56:38","slug":"borelli-hydraulic-power-unit-coupling-halves-16000-series","status":"publish","type":"product","link":"https:\/\/lubeteam.it\/en\/product\/borelli-hydraulic-power-unit-coupling-halves-16000-series\/","title":{"rendered":"Borelli Hydraulic Power Unit Coupling Halves – 16000 Series"},"content":{"rendered":"

Component Overview and Applications<\/h3>\n

The Borelli Hydraulic Power Unit Coupling Halves – 16000 Series<\/strong> provide an advanced technical solution for hydraulic power transmission applications. Specifically designed for coupling within hydraulic power units and power transmission systems, these splined coupling halves ensure efficient and continuous transmission of rotational motion. Precision machining and accurately manufactured spline profiles ensure a precise fit, an essential factor in maintaining system integrity and supporting effective fluid contamination control.<\/p>\n

Construction Features and Materials<\/h3>\n

The durability and efficiency of industrial components are closely linked to the quality of the materials used in their manufacture. The standard coupling half range is manufactured from UNI 16CrNi4\/Pb steel<\/strong>, a material selected for its excellent structural properties and subjected to rigorous heat treatments to increase surface hardness and wear resistance. This steel alloy provides optimal resistance to the torsional stresses typically encountered in hydraulic systems.<\/p>\n

For applications requiring superior performance under extreme mechanical stress, special manufacturing options are available. Coupling halves marked with an asterisk in the catalogue are manufactured from quenched and tempered UNI 38NiCrMo4\/Pb steel<\/strong>. This premium material undergoes an additional advanced nitriding treatment, technically known as the Tenifer process. This specific treatment modifies the surface properties of the material, providing exceptional mechanical strength ranging from 95 to 105 kg\/mm\u00b2<\/strong>.<\/p>\n

Spline Specifications and Dimensional Tolerances<\/h3>\n

A key feature of the Borelli Hydraulic Power Unit Coupling Halves – 16000 Series is the wide range of configurations available for both external and internal spline profiles, providing design engineers with considerable flexibility when selecting the most suitable component. External spline profiles range from 3\/8″ to 1″, with the number of teeth varying from 14 to 24. Internal spline profiles range from 25×22 to larger dimensions such as 72×66, ensuring compatibility with splined shafts of different sizes.<\/p>\n

The dimensional parameters (B, D, L) are precisely calculated to ensure correct installation and optimized space requirements within the hydraulic power unit. The largest external diameter (dimension B) ranges from 53.6 mm for the most compact model (code 16001) to 157.2 mm for model 16015, which is designed for heavier-duty transmission applications. Similarly, the coupling half length (dimension L) ranges from 22 mm to 50 mm, while the flange diameter (dimension D) increases proportionally from 38 mm to 120 mm as the spline dimensions increase, accommodating a wide range of system requirements.<\/p>\n

Technical Summary Table of the Main Specifications of the Borelli Hydraulic Power Unit Coupling Halves – 16000 Series<\/h3>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n
Specification<\/th>\nValue<\/th>\n<\/tr>\n<\/thead>\n
Standard Material<\/td>\nUNI 16CrNi4\/Pb steel<\/td>\n<\/tr>\n
Standard Material Treatment<\/td>\nHeat treatment<\/td>\n<\/tr>\n
Special Material (*)<\/td>\nQuenched and tempered UNI 38NiCrMo4\/Pb steel<\/td>\n<\/tr>\n
Special Material Treatment<\/td>\nNitriding (Tenifer)<\/td>\n<\/tr>\n
Mechanical Strength (Special Version)<\/td>\nR = 95 – 105 kg\/mm\u00b2<\/td>\n<\/tr>\n
External Spline Profile<\/td>\n3\/8″ to 1″ (14 to 24 teeth)<\/td>\n<\/tr>\n
Internal Spline Profile<\/td>\n25×22 to 72×66 (14 to 33 teeth)<\/td>\n<\/tr>\n
Primary Application<\/td>\nHydraulic components and power units<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Product Codes<\/h3>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Product Code<\/th>\nExternal Spline Profile<\/th>\nNumber of Teeth (External)<\/th>\nInternal Spline Profile<\/th>\nNumber of Teeth (Internal)<\/th>\nB (mm)<\/th>\nD (mm)<\/th>\nL (mm)<\/th>\n<\/tr>\n<\/thead>\n
16001<\/td>\n3\/8″<\/td>\n16<\/td>\n25×22<\/td>\n14<\/td>\n53.6<\/td>\n38<\/td>\n22<\/td>\n<\/tr>\n
16002<\/td>\n1\/2″<\/td>\n14<\/td>\n35×31<\/td>\n18<\/td>\n63.26<\/td>\n41<\/td>\n28<\/td>\n<\/tr>\n
16003<\/td>\n1\/2″<\/td>\n16<\/td>\n35×31<\/td>\n18<\/td>\n70<\/td>\n47<\/td>\n28<\/td>\n<\/tr>\n
16004<\/td>\n1\/2″<\/td>\n18<\/td>\n48×44<\/td>\n23<\/td>\n78.5<\/td>\n60<\/td>\n40<\/td>\n<\/tr>\n
16005<\/td>\n3\/4″<\/td>\n14<\/td>\n48×44<\/td>\n23<\/td>\n94.8<\/td>\n64<\/td>\n40<\/td>\n<\/tr>\n
16006<\/td>\n1\/2″<\/td>\n19<\/td>\n48×44<\/td>\n23<\/td>\n83.7<\/td>\n64<\/td>\n40<\/td>\n<\/tr>\n
16007<\/td>\n3\/4″<\/td>\n16<\/td>\n48×44<\/td>\n23<\/td>\n107.2<\/td>\n74<\/td>\n40<\/td>\n<\/tr>\n
16008<\/td>\n3\/4″<\/td>\n16<\/td>\n58×53<\/td>\n27<\/td>\n107.2<\/td>\n74<\/td>\n40<\/td>\n<\/tr>\n
ON REQUEST<\/td>\n3\/4″<\/td>\n16<\/td>\n72×66<\/td>\n33<\/td>\n107.2<\/td>\n80.5<\/td>\n40<\/td>\n<\/tr>\n
16009<\/td>\n3\/4″<\/td>\n20<\/td>\n48×44<\/td>\n23<\/td>\n131.7<\/td>\n94<\/td>\n50<\/td>\n<\/tr>\n
16010<\/td>\n3\/4″<\/td>\n20<\/td>\n58×53<\/td>\n27<\/td>\n131.7<\/td>\n94<\/td>\n50<\/td>\n<\/tr>\n
16011<\/td>\n3\/4″<\/td>\n20<\/td>\n72×66<\/td>\n33<\/td>\n131.7<\/td>\n94<\/td>\n50<\/td>\n<\/tr>\n
16012<\/td>\n3\/4″<\/td>\n24<\/td>\n48×44<\/td>\n23<\/td>\n156.12<\/td>\n120<\/td>\n50<\/td>\n<\/tr>\n
16013<\/td>\n3\/4″<\/td>\n24<\/td>\n58×53<\/td>\n27<\/td>\n156.12<\/td>\n120<\/td>\n50<\/td>\n<\/tr>\n
16014<\/td>\n3\/4″<\/td>\n24<\/td>\n72×66<\/td>\n33<\/td>\n156.12<\/td>\n120<\/td>\n50<\/td>\n<\/tr>\n
16015<\/td>\n1″<\/td>\n18<\/td>\n72×66<\/td>\n33<\/td>\n157.2<\/td>\n115<\/td>\n50<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

The Borelli Hydraulic Power Unit Coupling Halves – 16000 Series ensure optimal performance and high precision in hydraulic power transmission systems. Manufactured from heat-treated UNI 16CrNi4\/Pb steel, they provide excellent structural reliability. Special versions manufactured from quenched and tempered UNI 38NiCrMo4\/Pb steel and subjected to a nitriding process achieve exceptional mechanical strength of 95-105 kg\/mm\u00b2. They offer maximum versatility thanks to multiple external and internal spline profile configurations.
\nThe available product codes are: 16001, 16002, 16003, 16004, 16005, 16006, 16007, 16008, ON REQUEST, 16009, 16010, 16011, 16012, 16013, 16014, 16015.<\/p>\n","protected":false},"featured_media":14273,"template":"","meta":{"_joinchat":[]},"product_brand":[],"product_cat":[510,140],"product_tag":[329],"class_list":{"0":"post-14480","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-splined-half-couplings","7":"product_cat-transmission-components-and-accessories-for-pumps","8":"product_tag-oleodinamica-borelli","10":"first","11":"instock","12":"shipping-taxable","13":"product-type-simple"},"yoast_head":"\nBorelli Hydraulic Power Unit Coupling Halves - 16000 Series \u2013 LubeTeam Hydraulic<\/title>\n<meta name=\"description\" content=\"Borelli Hydraulic Power Unit Coupling Halves - 16000 Series, manufactured from UNI 16CrNi4\/Pb steel, provide excellent mechanical strength and reliability for hydraulic systems.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lubeteam.it\/en\/product\/borelli-hydraulic-power-unit-coupling-halves-16000-series\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Borelli Hydraulic Power Unit Coupling Halves - 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