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Part #71105

Part #71105

Product catalog summary
Description: The document describes a single ball bearing block with a sheave diameter of 25 mm and a swivel head, part number 71105. It highlights a complete range of ball bearing blocks featuring a modern and innovative design with two lateral races of ball bearings for smooth operation under low load and high-speed conditions. Under high load, the hub operates on a stainless steel bush, allowing free movement of the sheave. The block includes light cheeks for sheave protection and offers a wide choice of fastenings due to its universal head. The sheave is removable for maintenance.
Applications: The block is suitable for trading, handling applications, adventure parks, tensile architecture, lifting, and sports equipment.
Technical Information: The block is constructed with Grade 316L stainless steel for the head and load straps, Delrin® ball bearings, polycarbonate cheeks, and a composite sheave. It accommodates rope sizes from 6 to 8 mm. The dimensions are 64 mm in length, 25 mm in width, and 18 mm in thickness, with a sheave diameter of 25 mm. The working load is 200 kg, and the breaking load is 500 kg. The block weighs 27 g.
Safety and Standards: For nautical applications, the working load (WL) is specified, while the working load limit (WLL) is for industrial applications only, calculated as the breaking load divided by 5, with a safety factor of 5 times the breaking load.
Additional Information: Wichard ensures the accuracy of the information and reserves the right to make corrections or product evolutions without notice. For industrial applications, users are advised to contact the sales and technical department for validation and certificate requests.
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Catalog excerpts

Part #71105-1

Wichard, 1 ZI de Felet, CS 50085, 63307 Thiers, France Tél: +33 (0)4 73 51 65 00 — E-mail: [email protected] Single ball bearing block - Sheave 25 - Swivel head Part #71105 Description Complete range of ball bearing blocks Modern design Innovative design with two lateral races of ball bearings Smooth running for low load adnhigh speed action Under high load the hub runs on stainless steel bush which allows the sheave to run freely Light cheeks protecting the sheave Wide choice of fastenings thanks to the universal head The sheave can be removed for maintenance Applications Trading, handling applications, adventure parks, tensile architecture, lifting, sport equipments Technical information Materials Rope size Grade 316L stainless steel head Delrin® ball bearings configuration Grade 316L stainless steel load straps Polycarbonate cheeks Composite sheave Pour cordage de 6 à 8 mm Caption Working load (WL) : for nautical applications Working Load Limit (WLL): for industrial applications only. The safety factor is 5 times the breaking load. WLL = Breaking load / 5 Wichard strives to ensure, to the best of its ability, the accuracy and the update of the information disseminated on this document, and reserves the right to correct at any time and without notice the content, as well as to evolve its products. In the case of an industrial application, please contact our sales and technical department to validate the use of these products. The request for certificates can be made directly with the sales department when ordering the products. Non-contractual pictures.

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