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Self-Aligning Bearing Units

Self-Aligning Bearing Units

Product catalog summary

Overview: The document provides a comprehensive overview of NTN-SNR's self-aligning bearing units, emphasizing their innovation, quality, and adaptability in various industrial applications. It highlights the company's commitment to delivering efficient solutions for manufacturing, automotive, and aviation markets.

Company Profile: NTN-SNR is a global leader with brands like NTN, BCA, BOWER, and SNR. In 2019, the company reported a revenue of 5.4 billion euros and employed 24,199 people. It operates 118 sales offices, 73 production sites, and 15 R&D centers worldwide.

Product Specifications: The document details various types of bearing units, including pressed steel, thermoplastic, cast iron, and stainless steel housings, each with specific bearing inserts. The G2 system is highlighted for its universal application, allowing for flexibility and cost-effectiveness.

Technical Features: Bearing units are designed for easy assembly and maintenance, with features like lubrication grooves and protective covers. The G2 system includes four lubrication bores, enhancing flexibility and compatibility with JIS and ISO standards.

Applications and Benefits: SNR bearing units are suitable for diverse applications such as farming machinery, food processing, and material handling. They offer benefits like reduced downtime, cost efficiency, and improved machine output. The document emphasizes the availability of products from stock and the company's expertise in providing tailored solutions.

Product Range: The document lists various bearing unit types, including pillow blocks, flanged units, tensioners, and cartridge units, with specific designations and technical characteristics. It also covers sealing solutions and protective covers for enhanced durability and performance.

Conclusion: NTN-SNR's self-aligning bearing units provide a one-stop solution for all bearing needs, offering high-quality, reliable, and adaptable products that meet the demands of modern industrial applications.

Designations and Specifications: The document outlines various designations for high-pressure washdown bearing units, including SUC, MUC, and others, with specific bore codes ranging from 12 to 60 mm. Housing types include pillow blocks, flange types, and take-up units. The use of LUBSOLID® bearing inserts is specified for certain units, enhancing lubrication and maintenance-free operation.

Technical Characteristics: The bearing units are made of 100% stainless steel, ensuring corrosion resistance and compliance with food safety standards. They feature food-grade seals, USDA H1 compliant grease, and options for shaft fastening via set screws or eccentric locking collars. Protective covers are available for additional safety and hygiene.

Benefits and Applications: The units are designed for easy cleaning, resistance to bacteria, and durability in harsh environments. They are suitable for the chemical, pharmaceutical, and food-processing industries, offering maintenance-free operation and improved hygiene and safety conditions.

Sealing Solutions: Various sealing solutions are provided, including one-lip seals, triple lip seals, and high-performance seals, each tailored for specific environmental conditions and operational requirements. These seals enhance protection against contamination and mechanical impacts.

Installation and Maintenance: The document emphasizes the ease of installation and maintenance-free nature of the bearing units. They are designed for high reliability and long service life, reducing machine downtimes and increasing profitability.

Protective Covers: Protective covers are available for most bearing units, offering additional safety and preventing lubricant discharge into sensitive environments. These covers are made from stainless steel and are available in closed or open versions.

Conclusion: The document provides comprehensive information on the design, specifications, and benefits of high-pressure washdown bearing units, highlighting their suitability for demanding industrial applications and their contribution to improved operational efficiency and safety.

Specifications: Pillow block units are designed with two protective covers, one open and one closed, suitable for both metric and imperial shafts. The units are available in narrow and wide cover designs, with suffixes indicating the type of cover and compatibility with bearing insert types. Protective covers are fixed in housing grooves for a strong fit and sealing effect.

Procedures: Protective covers can be installed tool-free by latching them into existing housing grooves. Flanged housings have one groove on the front side, while other housings have two machined grooves. Protective caps must be ordered separately and can only be fitted on one side of the housing.

Norms and Standards: Split plummer block housings comply with ISO113-2010 standards, ensuring high stiffness, stability, and optimized heat dissipation. They are suitable for shaft diameters ranging from 20 mm to 140 mm.

Recommendations: For environments requiring strong sealing and protection, use bearing units with protective covers. For high-speed applications, consider one-piece bearing housings with precise alignment and efficient sealing systems.

Benefits: Protective covers and caps reduce the risk of injury, enhance sealing effects, and prevent lubricant discharge. They also allow for larger deviations in shaft misalignment and are easy to install without tools.

Key Data from Tables: The document provides detailed specifications for various bearing units, including dimensions, load ratings, and compatibility with protective caps. It also lists suffixes and prefixes for different bearing insert types, indicating features like service-free operation, high-performance seals, and suitability for specific environments.

Critical Information: Ensure the correct suffix is chosen for the desired protective cover type and compatibility with the bearing insert. For later installation of protective covers, order housings with the suffix 'N'. Protective caps are available for both cast iron and thermoplastic bearing units.

Overview: The document provides detailed specifications for cast iron units with chrome steel bearing inserts, specifically focusing on flanged units with a four-bolt flange and square design. It includes comprehensive tables listing the main dimensions, dynamic and static load ratings, and weights for various unit models.

Main Sections:

Specifications: The document lists the main dimensions in millimeters for different unit models, including parameters such as unit length (L), width (J), height (A), and other critical dimensions (A1, A2, e, N, S, s1, B, B1, d1, G, Z, Dz).
Load Ratings: Each unit model is associated with dynamic load ratings (C) and static load ratings (C0) measured in kilonewtons (kN), indicating the load capacity of the bearings.
Weight: The weight of each unit is provided in kilograms (kg), which is crucial for understanding the handling and installation requirements.
Additional Features: The document mentions the availability of open and closed protective caps, which can be ordered with the units. It also notes that housings with grooves are included when protective covers are ordered, and specifies the need to order housings with suffix 'N' if protective covers are to be installed later.

Key Models and Data:

ESFE, EXFE, UCFE, USFE: These models are detailed with specific dimensions and load ratings, suitable for various shaft diameters ranging from 12mm to 90mm.
UKFE..H Models: These models include additional features such as adapter sleeves and are designed for higher load capacities.

Conclusion: The document serves as a technical reference for selecting the appropriate cast iron units with chrome steel bearing inserts based on specific application requirements, providing essential data for engineers and technicians involved in design and maintenance.

Catalog excerpts

BEARING UNITS Accessible quality

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INNOVATION DRIVING YOUR PRODUCTION Movement is constantly changing. It is analysed, brought under control, guided and mastered with the aim of deriving maximum benefit. It is more than a simple concept. It is the very essence of our commitment, namely designing and innovating to deliver the perfect solutions to the issues and constraints of today and tomorrow. There are thousands of us around the world masterminding and developing solutions to raise the bar on your production performance. Our world-leading brands (NTN, BCA, BOWER and SNR) are marketed worldwide and deliver the best-fit solutions...

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CAST IRON HOUSINGS WITH CHROME STEEL BEARING INSERTS PRESSED STEEL HOUSINGS WITH CHROME STEEL BEARING INSERTS STAINLESS STEEL HOUSINGS WITH STAINLESS STEEL BEARING INSERTS BEARING INSERTS HOUSINGS THERMOPLASTIC HOUSINGS WITH STAINLESS STEEL BEARING INSERTS The protective covers are fixed in housing grooves. For units that are to be fitted with protective covers, housings with suffix N must be ordered. Units already ordered with cover(s) are automatically delivered with grooved housings. LUBSOLID® filling

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GENERAL INFORMATION SNR SELF-ALIGNING BEARING UNITS OUR BEARING UNITS: INGENIOUSLY SIMPLE ACCESSIBLE QUALITY! Whether universal or industry-specific, the SNR range of self-aligning bearing units offers many solutions for bearing arrangements in industrial applications. A bearing unit consists of a ball bearing insert and a housing. The two components can easily be assembled together due to their spherically shaped bearing seats. The bearing inserts are angularly movable and compensate for slight static misalignment of the shaft. Bearing units can cope with a high degree of mounting errors Swivelling...

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ANSWER EACH OF YOUR APPLICATION NEEDS Offering exceptional value for money, the SNR bearing unit range provides solutions for a wide field of applications such as: farming machinery, food-processing, material handling, packaging machines, wood industry and many others. NTN-SNR provides you all the products needed for each step of your production. The majority of our products are available from stock. BEARING UNITS CAST IRON 8 BALL BEARING INSERTS WITH SHAFT FASTENING SET SCREW TYPE 16 ECCENTRIC LOCKING COLLAR TYPE 18 ADAPTER SLEEVE TYPE 20 LUBSOLID® BEARING INSERTS 22 PROTECTIVE CAPS FOR BEARING...

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DESIGNATIONS CAST IRON SERIES CAST IRON BEARING UNITS FOR VARIOUS INDUSTRIES QUALITY, VALUE AND PERFORMANCE • Optimized design • Cost efficiency orientation FULL RANGE OF OPTIONS TO SATISFY YOUR NEEDS • The width of the range with its multiple possibilities will make you find the most appropriate solution for your needs QUICK DELIVERY TO FIT YOUR REQUIREMENTS • Popular range available from our European stock UC..G2: Chrome steel bearing insert with shaft fastening with socket set screws, wide design US..G2: Chrome steel bearing insert with shaft fastening with socket set screws, narrow design...

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USAGE EXAMPLES CONVEYOR SYSTEMS BEARING UNIT CHARACTERISTICS: • Installation-friendly design • Low maintenance requirements • Ideally suited in conveyor systems for rollers, idler and pulleys • Work imperceptibly and trouble-free to guarantee the operational function in every facility and all environments TYPICAL SPECIFICATIONS TO BEARING UNITS IN CONVEYOR SYSTEMS: • Fast tensioning and release system for rollers Tensioner units with welded frame T200 + WB, SP + SPR, FA200 and FAE200 with slotted hole • Injury prevention against turning shaft ends Installation of protective cap PCC (closed) or...

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TECHNICAL CHARACTERISTICS • 00% stainless steel resistant to corrosion: will never chip and contaminate the end product 1 FOR USE IN THE CHEMICAL, PHARMACEUTICAL AND FOOD-PROCESSING INDUSTRIES • Food-grade seal with additional slinger (SUC) • USDA H1 grease fully compliant with FDA regulations • Shaft fastening by set screw or eccentric locking collar STAINLESS STEEL • Metal cage • The protective covers are fixed in housing grooves BEARING UNITS HIGH PRESSURE WASHING LAVAGE HAUTE PRESSION HYGIENE STANDARDS AGENTS AGENTS NORMES D’HYGIÈNE SUITABLE FOR THE USE OF LUBSOLID® BEARING INSERTS BENEFITS...

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TECHNICAL CHARACTERISTICS • 100% stainless steel bearing inserts resistant to corrosion: will never chip and contaminate the end product • All metallic components made of high-quality stainless steel FOR FOOD-PROCESSING AND RELATED ENVIRONMENTS • Food-grade seal with additional slinger • High performance lubricant according to NSF H1 • Metal cage THERMOPLASTIC BEARING UNITS SPECIFIC FEATURES • Relubrication facility on all housings • Additional protection through open or closed end covers (tool-free installation) • Can optionally be combined with food-grade solid grease bearing insert EASY TO...

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BALL BEARING INSERTS Available for metric and imperial shafts SPHERICAL OUTER RING UC / SUC / MUC / ZUC US with wide inner ring design with narrow inner ring design By replacing the set screws, bearing inserts type UC and US can easily be converted into a floating bearing arrangement. CUC with wide inner ring design CUS with narrow inner ring design TECHNICAL CHARACTERISTICS • Easy and quick to install on the shaft • Suitable for applications with alternating directions of shaft rotation • Equipped with two self-locking cup point set screws for a safe and secure fastening of the bearing to the...

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ECCENTRIC LOCKING COLLAR TYPES Available for metric and imperial shafts SPHERICAL OUTER RING CYLINDRICAL OUTER RING CES with narrow inner ring design TECHNICAL CHARACTERISTICS • For higher loads in axial direction compared to set screw types • Particularly easy to fit • Decreased damage of shaft surface • Easier to disassemble • Only suitable for one direction of rotation Bearing insert * not for use in all standard housings ** suitable for the installation in ISO flanged-housings

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