Hydraulic cylinder seals by size Hydraulic seals are used in hydraulic cylinders. Wiper Seals are available in several styles to keep contaminants from entering the cylinder. Jul 17, 2025 · Learn about the critical roles of hydraulic cylinder seal types like O-rings, piston seals, and rod seals for leak prevention. Rod seals are vital to maintaining an efficient hydraulic system, as they are responsible for both preventing fluid leakage from within a hydraulic cylinder and protecting it against dirt and other exterior contaminates. The ISO 286-1 and SIO 286-2 standards tolerance classes are commonly used to define the acceptable size range during the manufacturing, repair or refurbishment of the hydraulic and pneumatic cylinders. Keep your power equipment in top condition with replacement hydraulic seals from RuggedMade. Rod sealing systems Rod and buffer seals maintain sealing contact in sliding motion between the cylinder head and the piston rod. If the size you require does not appear in these charts, pleaserefer to the product’s main entry in our Hydraulic Sealing Guide. Find size charts for piston, rod and cylinder seals for hydraulic applications. HYDRAULIC SEALS Rod & Piston seals Hydraulic,Pnuematic, & Custom O-RINGS Standard & metric Buna, Viton, Teflon and more Cylinders & Components Single, double acting and telescopic cylinders and parts The seals for a rod sealing system protect the dynamic reciprocating motion for the piston rod and head. Fast global delivery. Apr 3, 2025 · Learn how to measure hydraulic seals accurately for ID, OD, and width. 0"Bore x 1. Choose from our selection of hydraulic cylinder seals, including O-ring-loaded U-cup seals, rod seals, and more. Buy Cat® part 376-9017 hydraulic cylinder seal kit containing all seals required for a complete reseal. Get helpful tips on hydraulic cylinder seals and seal kits for your heavy equipment. Search by ID, OD, height, inch or metric, and seal type, or explore Kits by Model and Custom Seals for complete solutions. 25mm Max (0. Depending on the applica-tion, a rod sealing system can consist of a rod seal and a buffer seal († fig. A hydraulic cylinder seal is used to seal two surfaces under fluctuating pressure conditions. May 9, 2024 · The Ultimate Guide to Hydraulic Cylinder Seals Inside of your hydraulic cylinders, there are a number of seals that perform important functions, keeping your cylinders working efficiently while protecting internal components from being damaged by contaminants, corrosion, and other factors. Avoid mismatch errors and get the perfect replacement with this easy guide. General technical information for hydraulic sealsFinish properties The surface properties of the cylinder bore and the piston rod have a great influence on the function and service life of the seal. Quality hydraulic seals for welded hydraulic cylinders, 1-year warrany. Often the dimensions are printed on the seal. 150, 150M UNI LOADER Number Number Each Rod Wiper Piston Seal Rod Seal Cylinder Number Remarks t Cylind Shop high-quality aftermarket hydraulic seal kits to maintain your equipment. Great for fixing or rebuilding cylinders, including log splitter cylinders. Furthermore, they prevent In this video, we dive deep into the design of hydraulic cylinders. Hydraulic seals are one of the critical parts used in hydraulic systems to prevent fluid leakage and maintain pressure within the hydraulic cylinder. Mining Equipment Seal Kit Reference Guide VIEW PDF A reference guide for a range of mining equipment from excavators to articulated trucks, haul trucks, dozers, loaders, and mine shovels. CYLINDER SEALS Seal Identification What is a Seal? A seal is a device which prevents the escape or passage of a fluid (liquid or gas). Custom CNC Seal and Components Seal & Cylinder Source, Inc. With millions of AS568 and Metric O-Rings, hydraulic seals, and specialty compounds like Simriz® FFKM and Disogrin® TODI Urethane in stock, we’re ready to meet the toughest industry demands. They are designed to seal openings between different components of a hydraulic cylinder. The dynamic reciprocating motion between the piston and cylinder bore is another area of a hydraulic cylinder that uses dynamic seals. If your application requires performance-driven seals for heavy-duty Oct 12, 2024 · State-of-the-art hydraulic rod sealing systems generally consist of several individual seals (see example in Fig. May 27, 2021 · Hydraulic cylinder seals can be divided into two large categories: Static and dynamic. Seal, rebuild, and repacking kits include the key components—like seals, wipers, and O-rings—that stop leaks and restore your hydraulic cylinder’s performance. Our hydraulic cylinder seals are made using the exact specifications of the original manufacturer to ensure a perfect fit each time. Parameters for specifying a surface finish are defined by ISO 4287:1997. OEM support and custom sizing available. We supply seal products to a variety of industries such as: dump and refuse trucks, construction equipment, material handling, industrial plant applications, farming, and logging equipment. Measuring outside and inside diameters Measure the Metric 420 Park Place Blvd Suite 100 Clearwater Florida 33759 United States Click here for Canada's Webstore The O-ring Store is a distributor of hydraulic seals, seal kits and cylinders for mobile and industrial applications. The secondary Rod Seal fitted behind it takes over the main sealing function. These often-overlooked components are one of the most important parts of your hydraulic system — in Hydraulic cylinder repair seal kits for sale. Apr 1, 2025 · Learn how to choose the right hydraulic seal kit by size. Oct 6, 2024 · Knowing how to measure a hydraulic cylinder seal is crucial to run your system as it should be. All of our Hydraulic cylinder seal kits provide the essential components to rebuild worn cylinders and restore proper function. Measure the seal's Outer Diameter (OD), Inner Diameter (ID), width and height. One kind of static seal is usually found where the piston and the Hydraulic seals are a device that restricts the escape of fluid and foreign materials from entering in a hydraulic application such as a cylinder. 75" Rod Cylinder, Dirty Hands Tools Huskee Log Splitter Parts Hydraulic Cylinder Rebuild Kit (Pack of 11) 300+ bought in past month Save 5% on 2 select item (s) Add to cart Choose from our selection of cylinder seals, including dual-purpose rod and piston seals, rod seals, and more. Custom Hydraulic Seals at MSP Seals We provide hydraulic cylinder seal kits in any standard size and also cater to custom size requirements, ranging from small to large dimensions. Same and Next Day Delivery. These tasks require a variety of different seal designs and performance-enhancing features. Seal Kits for Bobcat® Equipment *All manufacturer’s names, part numbers and descriptions are used for reference purposes only. Piston seals Piston seals maintain sealing contact between a piston and cylinder bore. Apr 28, 2025 · Selecting the right hydraulic cylinder seals and tolerance fits is pivotal for construction machinery performance. In the following pages we present our size charts for our most popular hydraulic sealing products: Rod seals The rod seal is the most critical hydraulic seal on any type of fluid power equipment. Because a well working seal is crucial to the efficiency and speed of your machine, you do not want to wait until your machine malfunctions to repair the seal. Hydraulic and pneumatic seals are specifically designed for the requirements and environment they will be used in, with factors such as cylinder working pressure, cylinder speed Parker Hannifin Corporation In a hydraulic cylinder the rod seal- ing system seals dynamic reciprocating motion between the piston rod and head, while the piston sealing system seals dynamic reciprocating motion between the piston and cylinder bore. Avoid mismatches, reduce downtime, and ensure sealing performance with our expert guide. They prevent leakage from within the cylinder to the outside which can reduce equipment performance, and in extreme cases can cause environmental issues. Rod sealing systems for heavy duty applications typically consist of a combin-ation of both seal types, whereas the buffer Protect your machine's hydraulic system and ensure you've got the right parts. Downloading this document provides size charts for all the most popular sizes of our sealing products for hydraulic applications: Rod/gland seals - to seal around the reciprocating rod or ram Piston seals - to seal between the reciprocating piston and cylinder bore Hydraulic cylinders operate in a variety of applications and environmental conditions, including exposure to dust, debris or outside weather conditions. … and smaller seals are manufactured with identical care and attention. Find the right seal kits for your cylinder, with detailed information on models, cylinder group numbers, and rod and bore dimensions. We offer custom seal machining, reverse engineering, and fast shipping on thousands of in-stock hydraulic components. Sep 29, 2025 · Learn how to select the right hydraulic cylinder seal kits by size. The moving piston rod generates high pressure on the piston seal which increases contact forces between the seal and cylinder surface. What are mechanical Hercules Sealing Products is a leading supplier of aftermarket hydraulic seals, seal kits, hydraulic cylinders, and cylinder repair parts. Hydraulic Buffer Seal — Trelleborg Sealing Solutions Difference between Rod Seal & Wiper Seal । Seal Number । Rod Seal Size Calculation. Our offerings extend to a variety of custom grease seals, oil seals, shaft seals, mechanical seals, and braided packing, exclusively designed for hydraulic applications. Apr 2, 2025 · A good hydraulic cylinder seal kit catalog should list kits by bore size, rod size, and seal type. 2). Improve your hydraulic systems with aftermarket hydraulic cylinder component parts like mounts, end caps, seal kits, and piston heads. We offer both standard and custom hydraulic seals – produced on time at competitive prices. To prevent these contaminants from entering the cylinder assembly and hydraulic system, wiper seals (also known as scrapers, excluders or dust seals) are fitted on the external side of the cylinder head (fig. Big or small, we welcome National Suppliers, wholesalers, MRO, OEM, government, repair shops, and retailers. Lazzar's HCRC is a leading supplier of repair parts and seal kits for floor jacks, air hydraulic pumps, hand pumps and rams. O-Ring Size Chart and Installation Data - Metric Seal Kit Identification Code Conversion Chart Typical Sealing Components Hydraulic Cylinder Applications Common Telescopic Cylinders Cylinder Measurement Reference Sheet May 4, 2023 · A hydraulic cylinder seal protects the hydraulic fluid and prevents the hydraulic system's components from mixing with external fluids. The main types of hydraulic seals found in a seal kit include: Rod Seals – Prevent hydraulic fluid leakage from the cylinder along the rod. The so-called primary seal faces the cylinder’s working space and reliably seals against the high operating pressure within the cylinder. HYDRAULIC SEALS Rod & Piston seals Hydraulic,Pnuematic, & Custom O-RINGS Standard & metric Buna, Viton, Teflon and more Cylinders & Components Single, double acting and telescopic cylinders and parts The twin lip design helps solve difficult rod sealing problems by providing lower friction, increased stability, and high dynamic lip force, while preventing air penetration from outside the cylinder. Millions of O-Rings, Seals, and Custom Solutions. Seal material must conform to irregularities in metal Attributes: Kit includes o-ring, back-up rings, wear rings, buffer seal assembly, wiper seal, U-cup seal, and seal assembly Fits standard size diameter bore Application: Used to service components of hydraulic cylinders to keep your equipment leak free. We offer hydraulic cylinder seal kits in a variety of sizes to fit your log splitters, construction equipment, and more. Not only must the hydraulic seals prevent leakage of fluid from the Cylinder, but hydraulic seals must also withstand high pressures, extreme temperatures and transverse forces within the cylinder. You'll learn everything you need to know about selecting and arranging hydraulic seals, including piston seals, rod seals Expert Solutions in Hydraulic Sealing Hydraulic seals are vital components in a diverse range of machinery and equipment, playing a crucial role in hydraulic systems. 1/16 CROSSECTION (. Tips on measuring bore, piston rod, and more for optimal performance. ), i. Given the working conditions found in Use the advanced seal finder to efficiently search for the most suitable seal across thousands of individual product variations. If not, you can measure the seal using either a ruler, verniers or calipers. Order hydraulic seal kits by bore and rod size. Jul 2, 2025 · To find the right seal for your hydraulic cylinder, you must accurately identify the cylinder model, measure key dimensions, understand operating conditions (pressure, temperature, fluid type), and match these with appropriate seal types and materials. Where we have a suitable tool, your seal will be supplied on shortdelivery time without tooling charge. Includes rod seals, piston seals, wipers, and guide rings. 2. 1) or a rod seal only († fig. is a leader in custom manufactured seals and components in the hydraulic/pneumatic repair industry. Cat® Hydraulic Cylinder Seal Kits contain all seals required for a complete reseal standard nominal (Up to 0. Hydraulic Cylinder Seal Kits We have a wide selection of replacement hydraulic cylinder seals from top brands including Vickers, Hydro-Line, Atlas, Miller, Parker, Sheffer and more. They also help to improve a system's overall efficiency and reliability, among other things: ‍ Pressure adaptability and contamination prevention: Hydraulic seals are designed to function with both low-pressure and high-pressure. A hydraulic cylinder is comprised of many seals and, as it is a best practice to replace everything at once, can be purchased as a complete hydraulic cylinder seal kit at Grizzly Supplies. This will give guidance as to its availability in non-chart sizes. Their primary function is to contain fluid within these systems and prevent leakage. Mar 7, 2025 · What types of hydraulic seals are in a seal kit? A hydraulic seal kit typically contains various types of seals designed to prevent fluid leakage, maintain pressure, and ensure safety operation of hydraulic systems. Hydraulic Log Splitter Cylinder Rebuild Seal Kit for 4. The O-Ring Store LLC is not sponsored by or affiliated with the Bobcat Company. Commonly used on skid steers, excavators, tractors, and refuse trucks, these kits help maintain pressure, prevent leaks, and extend the life of replacement hydraulic cylinders. Shop hydraulic cylinder parts, seals, pistons, and stops at Farmer Bob's. 8K subscribers 270 Dec 19, 2019 · Hydraulic Cylinder Seals Hydraulic cylinder seals are used to seal the opening between various components in the hydraulic cylinder. Find the right hydraulic seals fast with Hercules’s Seals by Size feature. We stock O-Rings from leading manufacturers and consistently update and expand our inventory to align with evolving demands and incorporate the latest advancements in materials and technology. Our seals for hydraulic applications range from earth moving machine cylinders, which are often required to work at –40 °C, to industrial water hydraulic applications, where extreme conditions related to lubrication, wear and corrosion exist. Download the document to see the full details of our hydraulic sealing products and their dimensions. We’ve been a leading hydraulic cylinder manufacturer for over 50 years and carry hydraulic cylinder seal kits in various sizes. Designed to withstand high pressure, extreme hydraulic seals are used in complex configuations to seal hydraulic systems. They are vital pieces in many types of machinery since they help create a method for fluid power to be converted into linear motion. This article takes you how to measure seals to help you get the dimension information of seals. To provide the high-est levels of quality and cus-tomer service, these products are available worldwide through SKF sales channels. Seals and Seal Kits are assembled with high quality, aftermarket parts. Jun 8, 2025 · When selecting hydraulic seals for cylinder manufacture and repair, most users typically purchase according to the size and color of the samples, which can increase the difficulty of purchasing and may not necessarily result in the selection of the right seals. Hydraulic Cylinder Seal Size Measurement । Rod Seal । Gland Seal । Piston Seal via Vernier. 1). Industrial Solutions 72. Hydraulic Cylinder Seal Kits,Parts and Accessories for Hydraulic Cylinders,Hydraulic Cylinders,Hydraulics, PACKING KIT FOR 2" BORE 1-1/8" Wiper seals are typically used on hydraulic and pneumatic cylinders, as well as telescopic suspension forks for motorcycles and bicycles. Static seals are used in situations in which the component parts aren’t designed to experience relative movement. Whether you need a replacement hydraulic cylinder packing kit, or a boom cylinder seal kit, we can guarantee the highest level of quality in all of our products. Hydraulic cylinder seals are used on hydraulic cylinders to prevent hydraulic fluid from leaking and help keep dirt and other contaminants from entering the cylinders. All Seal Kits are manufactured to meet the demanding requirements of industrial, mining, logging, refuse and construction equipment applications. e. They are designed to retain hydraulic fluids, exclude solid or liquid contaminants, and maintain hydraulic pressure. We provide replacements for Parker, Trelleborg, Hallite, Hercules, and NOK. By aligning seal materials (NBR, FKM, TPU) with operational demands and adhering to precision tolerance standards (H8/f7, H9/g6), manufacturers can dramatically reduce downtime and maintenance costs. Whether you’re a distributor, repair technician, or procurement manager, choosing the wrong catalog wastes time—and risks downtime. A quality seal kit is essential for efficient system operation and extended lifespan. Each type serves a specific function within the hydraulic system and is chosen based on application requirements such as pressure, temperature, speed, and fluid compatibility. Hercules Sealing Products has their catalogs available for immediate download, offering detailed information on Hydraulic Seal Kits, Mobile Kits, Cylinder and Repair Parts, Industrial Kits, and Metalworking. Wiper seals maintain sealing Explore hydraulic seal types, high-pressure kits, failure solutions & custom designs. Hyster 355695 Seal Kit - Tilt Cylinder E50xl For Sale Hyster 1329757 - Kit - Seal Kit - Cylinder - Tilt - Aztec Hydraulics Hydraulic Cylinder Seals By Size Shop 355695 : Forklift Tilt Cylinder O/h Kit for HYSTER online with same day shipping. Our products include High quality Hydraulic Seals. Get the necessary tools and accessories for easy installation. Hydraulic Cylinder Seal Install Tool - Medium Size Seal kit install tool makes it easy to install the inside seals on the end cap gland nut that goes inside a front end loader hydraulic cylinder. Hydraulic seals (also referred to as hydraulic cylinder seals or shaft seals) are devices designed to keep fluids from escaping from cylinders or pumps while simultaneously preventing foreign contaminants from entering them. Versatility: Used in various industries, including automotive, engineering, manufacturing, and maintenance. Allegheny York Hydraulic Seals and Pneumatic Seals Allegheny York offers all the necessary elements for virtually every hydraulic seal and hydraulic cylinder seal application. Feb 15, 2024 · Discover the key to perfect seals with our guide on the o ring size chart. For this reason, the surface properties of the sealing surfaces are critical to proper seal performance. Piston Seals – Create a seal between Rocket Seals is a leading supplier of cylinder kits for industrial power and hydraulic applications. Ensure durability and compatibility! Hercules Sealing Products provides Charts for quick reference and accurate sizing of seals, O-rings, and hydraulic components. In such applications, the function of Hydraulic Seals goes far beyond preventing fluid leakage. Hydraulic sealing products — Size charts This document should be used in conjunction with the latest version of our Hydraulic Sealing Guide. MAXX Hydraulics is a leading manufacturer and distributor of hydraulic & pneumatic seals, cylinder seal kits, oil seals, custom machined parts, and cylinder components in standard and metric sizes, for industrial, mobile, and hydraulic equipment. Foreword This catalogue contains the standard assortment of SKF hydraulic seals and guides typic ally used in hydraulic cylinders. For information about lead times and deliveries, contact your local SKF representative or SKF Authorized Distributor. 010 INCH) bore sized hydraulic cylinder Jul 30, 2024 · Identify hydraulic cylinder seals Seal packaging Usually, each seal size is packaged with a description of its type and size, or it may contain a product catalog or specification that can be used to obtain information about the hydraulic seal. Take multiple measurements around the seal when measuring diameters, in order to apply an average measurement. When you use these kits, you can easily repair your hydraulic cylinders on your own. Static seals that installed directly into the housing or glands of a system, rod seals are designed to provide dynamic sealing pressure while the piston rod is in dynamic motion. If we do not have the Hercules Sealing Products is a leading supplier of aftermarket hydraulic seals, seal kits, hydraulic cylinders, and cylinder repair parts. Find the best seal for your industry—from excavators to injection systems. About this item Hydraulic Cylinder Seals By Size Seal Kit - Lift Cylinder | Replaces HYSTER FORKLIFT 1360139 Bobcat Cylinder Seal Kit Otherwise, the components will be damaged and the pump will be invalid. The most common surface roughness parameter specified is R a (in units μm or μin. Some of our kits include standard, loaded lip, fluorocarbon, low-friction, and cast iron There are several types of hydraulic seals, including: Piston seals, Rod seals, Wipers/scrapers, Buffer/backup rings, Rotary seals, Step seals, U-cups, V-rings, O-rings, and Gaskets. Jun 8, 2022 · Contact Yates Industries Today! If you need help selecting the right seal kit, get help from our team at Yates Cylinders. Welcome to The O-Ring Store LLC, your ISO 9001:2015 certified O-Ring and Seal Distributor. Browse and explore our extensive range of hydraulic seals. We use the latest seal technologies available to make sure when your equipment is repaired, it is completed with a quick turnaround and that it performs to OEM standards or more efficiently than it was originally designed. Jan 4, 2024 · Find the right seal kit for your hydraulic cylinder with our guide, covering seal identification, maintenance tips, and optimal selection. We also sell Metric and Standard Seals. Hydraulic Cylinder Size Calculator How To Measure Hydraulic Cylinder Seals - SNS Pneumatic Hydraulic Seal Installation Tool Harbor Freight MAXX Hydraulics is a leading manufacturer and distributor of hydraulic & pneumatic seals, cylinder seal kits, oil seals, custom machined parts, and cylinder components in standard and metric sizes, for industrial, mobile, and hydraulic equipment. These include Wipers, Rod Seals, Piston Seals, Wear Rings, O Hydraulic seals are generally relatively soft, non-metallic rings captured in groove or fixed in a combination of rings, forming a seal assembly, to block or separate fluid in reciprocating motion applications. the arithmetic mean deviation of Choose from our selection of hydraulic seals, including O-ring-loaded U-cup seals, rod seals, and more. Seal Kits for Cross Cylinders Cross Hydraulic cylinder replacement Seal kits. It should also include clear component descriptions and cross-reference options for OEM machines. Seal appearance Different types of hydraulic seals have various designs and use other materials. 070) O-RINGS & WASHERS BUNA RUBBER Hercules Sealing Products is a leading supplier of aftermarket hydraulic seals, seal kits, hydraulic cylinders, and cylinder repair parts. Hydraulic applications are challenging for Seals. European made seal with US standards and no tariffs. . Save time (and frustration) with hydraulic cylinder seal kits. This containment is essential for maintaining the efficiency and performance of the system. These seals include O-rings, D-rings, backup seals, and other seals that are intended to remain in a fixed relative location. Trusted by hydraulic repair professionals and industrial companies worldwide. The seals for a rod sealing system protect the dynamic reciprocating motion for the piston rod and head. rahz jdbohn vrg nwciy jxb lvwn txof eddhj gpvzej wqde zig dfx xdd efsck lrvhj