

Introduction
The document provides an overview of SKF's power transmission products, highlighting their role in enhancing bearing performance and simplifying logistics for users by integrating these products under a single brand.
Product Categories
Technical Specifications
SKF belts and timing belts are manufactured according to international standards such as ISO, BS, RMA, and DIN, with clear nomenclature and designation formats for easy identification.
Materials and Manufacturing
High-quality materials like fiberglass, steel cord, and polyurethane are used, ensuring durability and compliance with ATEX directive requirements.
Research and Development
SKF focuses on R&D in tribology, condition monitoring, and asset management to maintain leadership in industrial knowledge and innovation.
Sustainability Initiatives
SKF's BeyondZero portfolio aims to reduce environmental impact by improving efficiency and reducing energy losses.
Conclusion
SKF's comprehensive range of power transmission products, combined with expertise in bearings and other technologies, provides significant benefits to industries worldwide, with a focus on innovation, sustainability, and customer collaboration.
Detailed Specifications
Belts: Specifications for classical, narrow wedge, double classical (hex), and ribbed belts, including dimensions, designations, and available lengths.
Timing Belts: Specifications for XL and L sections, with customization options for non-standard lengths and belt width.
Chains: Various types including roller, leaf, and conveyor chains, with a nomenclature guide and compliance with ISO, BS, or DIN standards.
Couplings: Specifications for SKF Flex, spacer, and chain couplings, with recommendations for lubrication and assembly configurations.
Keyless Bushings: Specifications for FX models, highlighting torque capabilities, self-centering properties, and surface pressures.
Sprockets: Specifications for metric and ANSI sprockets, including dimensions, mass, and designations, with recommendations for selecting the correct type and size.
Pulleys: Specifications for narrow wedge belt pulleys, focusing on dimensions, mass, and compatibility with ASME/ANSI standards.
Tools: Descriptions of belt and shaft alignment tools, including the SKF Belt Frequency Meter and SKF Shaft Alignment Tools, designed for accurate alignment and maintenance.
SKF Power Transmission products
Open the catalog to page 1® SKF is a registered trademark of the SKF Group. Hytrel is a registered trademark of DuPont. Dacromet and Dacrotized are registered trademarks of Metal Coatings International Inc. Corporation. © SKF Group 2016 The contents of this publication are the copyright of the publisher and may not be reproduced (even extracts) unless prior written permission is granted. Every care has been taken to ensure the accuracy of the information contained in this publication but no liability can be accepted for any loss or damage whether direct, indirect or consequential arising out of the use of the information...
Open the catalog to page 2Foreword Power transmission products play an important role in overall bearing performance and are the vital link between moving parts in equipment. By creating its own range of power transmission products, SKF can offer products that are well-matched and give engineers a wide design choice according to performance and cost considerations. Bringing power transmission products under a single brand offers significant user benefits apart from the confidence that comes from using a well-known brand. SKF can provide a convenient single supply source for products and services with a large number of...
Open the catalog to page 5SKF – the knowledge engineering company From one simple but inspired solution to a misalignment problem in a textile mill in Sweden, and fifteen employees in 1907, SKF has grown to become a global industrial knowledge leader. Over the years, we have built on our expertise in bearings, extending it to seals, mechatronics, services and lubrication systems. Our knowledge network includes 46 000 employees, 15 000 distributor partners, offices in more than 130 countries, and a growing number of SKF Solution Factory sites around the world. Meeting the toughest challenges Our network of knowledge and...
Open the catalog to page 6Working closely with you Our objective is to help our customers improve productivity, minimize maintenance, achieve higher energy and resource efficiency, and optimize designs for long service life and reliability. Innovative solutions Whether the application is linear or rotary or a combination, SKF engineers can work with you at each stage of the asset life cycle to improve machine performance by looking at the entire application. This approach doesn’t just focus on individual components like bearings or seals. It looks at the whole application to see how each component interacts with each...
Open the catalog to page 7SKF Wrapped Wedge Belts. . . . . . . . SKF Wrapped Classical Belts . . . . . . SKF Wrapped Narrow Wedge Belts SKF Cogged Raw Edge Wedge Belts SKF Cogged Raw Edge Classical Belts. . . . . . . . . . . . . . . . . . . . . . . . . SKF Cogged Raw Edge Narrow Wedge Belts . . . . . . . . . . . . . . . . . . . SKF Xtra Power Wrapped Wedge Belts. . . . . . . . . . . . . . . . . . . . . . . . . SKF Xtra Power Wrapped Narrow Wedge Belts . . . . . . . . . . . . . . . . . . . SKF Xtra Power Lawn and Garden Belts. . . . . . . . . . . . . . . . . . . . . . . . . Variable speed belts . . . . . . . . . . . ....
Open the catalog to page 9SKF Belts SKF belt range nomenclature has a defined prefix of PHG. All belts we produce conform to conventional basic part number format – ISO, BS, RMA or DIN. V Belts The V belt designation format is constant through the range, with the following example to indicate set up. SKF Designation prefix Belt type Wedge – SPZ, SPA, SPB, SPC Wedge CRE – XPZ, XPA, XPB XPC Classical – Z, A, B, C, D, E Classical CRE – ZX, AX, BX, CX Narrow wedge – 3V, 5V, 8V Narrow wedge CRE – 3VX, 5VX, 8VX Double classical – AA, BB, CC Ribbed – PJ, PK, PL, PM Belt lengths Wedge all – pitch length (mm) Narrow wedge all...
Open the catalog to page 10SKF Belts SKF belt range nomenclature has a defined prefix of PHG. All belts we produce conform to conventional basic part number format – ISO, BS, RMA or DIN. Timing Belts The Timing belt designation format is constant through the range, with the following example to indicate set up. SKF Designation prefix Belt lengths Supplementary – D, DA, DB – double siding of belt Belt lengths Classical – pitch length (1/10 inch) HiTD – pitch length (mm) STS – pitch length (mm) Metric – pitch length (mm) Belt type Classical – MXL, XL, L, H, XH, XXH HiTD – 2M, 3M, 5M, 8M, 14M STS – S2M, S3M, S4.5M, S5M, S8M,...
Open the catalog to page 11SKF Wrapped Wedge Belts SPZ | SPA Dimensions Pitch length w Dimensions Pitch length w Dimensions Pitch length w Non-standard lengths are also available.
Open the catalog to page 12SKF Wrapped Wedge Belts SPA | SPB | SPC Dimensions Pitch length w Dimensions Pitch length w Dimensions Pitch length w Non-standard lengths are also avail
Open the catalog to page 13SKF Wrapped Classical Belts 10/Z | 13/A Dimensions Pitch length Non-standard lengths are also available. Designation Inside length w Dimensions Pitch length Inside length
Open the catalog to page 14SKF Wrapped Classical Belts 13/A | 17/B Dimensions Pitch length Dimensions Pitch length Designation Inside length Non-standard lengths are also available
Open the catalog to page 15SKF Wrapped Classical Belts 17/B | 22/C Dimensions Pitch length Designation Inside length Dimensions Pitch length Non-standard lengths are also available.
Open the catalog to page 16SKF Wrapped Classical Belts 22/C | 32/D | 38/E Dimensions Pitch length Dimensions Pitch length Designation Inside length Non-standard lengths are also available
Open the catalog to page 17SKF Wrapped Narrow Wedge Belts 3V/9N | 5V/15N | 8V/25N Dimensions Outside length Dimensions Outside length Non-standard lengths are also available
Open the catalog to page 18SKF Cogged Raw Edge Wedge Belts XPZ | XPA | XPB Dimensions Pitch length Dimensions Pitch length Dimensions Pitch length Non-standard lengths are also avail
Open the catalog to page 19SKF Cogged Raw Edge Wedge Belts XPB | XPC Dimensions Pitch length Non-standard lengths are also available.
Open the catalog to page 20Equivalent / Interchange For ISO and RMA Narrow Wedge V-Belts Pitch length Outside length Belts have a slight variation in pitch length. 3170 (Lp) - Check availability Raw edge belts Belts up to and including 3 500 mm (Lp) may also available in RAW EDGE COG construction. Designations are PHG XPB*** and PHG 5VX*** respectively. Banded belts (SPZ/XPZ/3V/3VX and SPB/XPB/5V/5VX) As the transverse pitch (between pulley grooves) of the ISO and RMA standards varies, a check should be made of both pulleys before selecting, interchanging or using banded belts . Both pulleys must have the same transverse...
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