{"id":14499,"date":"2026-11-04T12:28:16","date_gmt":"2026-11-04T11:28:16","guid":{"rendered":"https:\/\/lubeteam.it\/?post_type=product&p=14499"},"modified":"2026-11-05T10:03:56","modified_gmt":"2026-11-05T09:03:56","slug":"borelli-support-for-group-2-pumps-25402-25602-series","status":"publish","type":"product","link":"https:\/\/lubeteam.it\/en\/product\/borelli-support-for-group-2-pumps-25402-25602-series\/","title":{"rendered":"Borelli Support for Group 2 Pumps – 25402\/25602 Series"},"content":{"rendered":"

The Borelli Support for Group 2 Pumps – 25402\/25602 Series<\/strong> is a rigid mechanical assembly developed to accommodate and support Group 2 hydraulic pumps, absorbing radial and axial stresses generated by upstream transmission components.<\/p>\n

Construction Features and Mechanical Components<\/h3>\n

The assembly is built around a robust housing (code 25002\/364.1), machined with a 36.5 H7 centering diameter (5 mm depth and 71.4 mm mounting hole spacing with M6 holes) and a 36.5 f7 shaft-side centering shoulder. The internal rotating assembly is supported by two 6207A ball bearings (code 506207), axially secured by two UNI 7435-35 Seeger retaining rings (code 903500) and a spacer ring with a diameter of 72 mm (code 25002\/C1).<\/p>\n

Hydraulic sealing and protection against external contaminants are provided by a 22x32x7 radial shaft seal (code 302232), supported by two dedicated O-ring seals: OR 3143 (code 403143) and OR 3262 (code 403262). The primary coupling incorporates an 18 mm diameter female shaft (code AC18.2), equipped with a 6x6x30 UNI 6604 key (code 426630).<\/p>\n

Shaft Configuration Variants: 25402 Series and 25602 Series<\/h3>\n

The series includes two distinct drive shaft configurations to meet different mechanical coupling requirements:<\/p>\n

    \n
  • 25402 Model:<\/strong> equipped with an AC02 tapered shaft featuring a 1:8 taper ratio, an M12x1.5 threaded end, a UNI 28675 M12x1.5 nut (code 601215), a 12 mm diameter Grower spring lock washer (code 801200), a 3.2×6.5 UNI 6606 Woodruff keyway (code 700465) and an additional 4×6.5 UNI 6606 keyway. The shaft end has a length of 40 mm (30 mm usable tapered section) with a shoulder projection of 60.5 mm.<\/li>\n
  • 25602 Model:<\/strong> equipped with a Z14 25×22 DIN 5482 spline profile, an 18 h7 shaft diameter, a shaft end length of 54.5 mm and a shoulder projection of 60.5 mm.<\/li>\n<\/ul>\n

    Radial Load Capacity and Mechanical Specifications<\/h3>\n

    The supports are tested to withstand high radial loads applied to the shaft end:<\/p>\n

      \n
    • For the 25402 model, the permissible load capacity is 170 daN at the midpoint of the tapered shaft and 130 daN at the outer shaft end.<\/li>\n
    • For the 25602 model, the permissible load capacity is 110 daN along the Z14 DIN 5482 splined section.<\/li>\n<\/ul>\n

      Technical Summary Table of the Main Specifications of the Borelli Support for Group 2 Pumps – 25402\/25602 Series<\/h3>\n
      \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
      Specification<\/th>\nValue<\/th>\n<\/tr>\n<\/thead>\n
      Compatible Pump Group<\/td>\nGroup 2<\/td>\n<\/tr>\n
      Support Housing<\/td>\nCode 25002\/364.1<\/td>\n<\/tr>\n
      Pump Flange Centering Diameter<\/td>\n36.5 H7 diameter (5 mm depth, M6 mounting holes with 71.4 mm center-to-center spacing)<\/td>\n<\/tr>\n
      Support Flange Centering Diameter<\/td>\n36.5 f7 diameter<\/td>\n<\/tr>\n
      Rolling Bearings<\/td>\n2x 6207A bearings (code 506207)<\/td>\n<\/tr>\n
      Retaining Rings<\/td>\n2x Seeger retaining rings UNI 7435-35 (code 903500)<\/td>\n<\/tr>\n
      Spacer Ring<\/td>\nDia. 72 mm (code 25002\/C1)<\/td>\n<\/tr>\n
      Primary Seal<\/td>\n22x32x7 shaft seal (code 302232)<\/td>\n<\/tr>\n
      Static Seals<\/td>\n1x O-ring OR 3143 (code 403143) + 1x O-ring OR 3262 (code 403262)<\/td>\n<\/tr>\n
      Internal Female Shaft<\/td>\nAC18.2 (D=18 mm) with 6x6x30 UNI 6604 key (code 426630)<\/td>\n<\/tr>\n
      25402 Shaft Configuration<\/td>\n1:8 tapered, M12x1.5 thread, UNI 28675 nut, Grower washer dia. 12 mm, 3.2×6.5 \/ 4×6.5 UNI 6606 Woodruff key<\/td>\n<\/tr>\n
      25602 Shaft Configuration<\/td>\nZ14 25×22 DIN 5482 splined shaft, 18 h7 shaft diameter<\/td>\n<\/tr>\n
      Permissible Radial Loads (25402)<\/td>\n170 daN (midpoint of tapered section) \/ 130 daN (shaft end)<\/td>\n<\/tr>\n
      Permissible Radial Load (25602)<\/td>\n110 daN (splined section)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

      Product Codes<\/h3>\n
      \n\n\n\n\n\n\n
      Model<\/th>\nShaft Type<\/th>\nConnection \/ Mechanical Specifications<\/th>\nMaximum Radial Load<\/th>\n<\/tr>\n<\/thead>\n
      25402<\/td>\nTapered shaft (AC02)<\/td>\n1:8 taper ratio, M12x1.5 thread, 3.2×6.5 \/ 4×6.5 UNI 6606 Woodruff key<\/td>\n170 daN \/ 130 daN<\/td>\n<\/tr>\n
      25602<\/td>\nSplined shaft<\/td>\nZ14 25×22 DIN 5482 profile, 18 h7 shaft diameter<\/td>\n110 daN<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

      The Borelli Support for Group 2 Pumps – 25402\/25602 Series is designed for the mechanical coupling of Group 2 hydraulic pumps. It incorporates a bearing housing, two 6207A bearings, a 22x32x7 shaft seal and O-ring seals to ensure reliable isolation. It is available in the 25402 version with a 1:8 tapered shaft (M12x1.5) for radial loads of up to 170 daN and the 25602 version with a Z14 25×22 DIN 5482 splined shaft.<\/p>\n

      The available product codes are: 25402, 25602.<\/p>\n","protected":false},"featured_media":14392,"template":"","meta":{"_joinchat":[]},"product_brand":[],"product_cat":[511,140],"product_tag":[329],"class_list":{"0":"post-14499","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-supports","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 Support for Group 2 Pumps - 25402\/25602 Series \u2013 LubeTeam Hydraulic<\/title>\n<meta name=\"description\" content=\"Borelli Support for Group 2 Pumps - 25402\/25602 Series for hydraulic systems. 1:8 tapered shaft or Z14 DIN 5482 splined shaft, with radial loads up to 170 daN.\" \/>\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-support-for-group-2-pumps-25402-25602-series\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Borelli Support for Group 2 Pumps - 25402\/25602 Series\" \/>\n<meta property=\"og:description\" content=\"Borelli Support for Group 2 Pumps - 25402\/25602 Series for hydraulic systems. 1:8 tapered shaft or Z14 DIN 5482 splined shaft, with radial loads up to 170 daN.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/lubeteam.it\/en\/product\/borelli-support-for-group-2-pumps-25402-25602-series\/\" \/>\n<meta property=\"og:site_name\" content=\"LubeTeam Hydraulic\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/lubeteam\" \/>\n<meta property=\"article:modified_time\" content=\"2026-11-05T09:03:56+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/lubeteam.it\/wp-content\/uploads\/2026\/10\/img-Supporto-Pompe-Gr.-2-Borelli-Serie-2540225602.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"600\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/lubeteam.it\/en\/product\/borelli-support-for-group-2-pumps-25402-25602-series\/\",\"url\":\"https:\/\/lubeteam.it\/en\/product\/borelli-support-for-group-2-pumps-25402-25602-series\/\",\"name\":\"Borelli Support for Group 2 Pumps - 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