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Instructions for using rolling bearings: 1. When installing the bearings, even force should be applied; direct hammering is not allowed. For example, when the interference is large, the bearing should be heated in an automatically temperature-controlled air heating furnace or oil furnace, with the heating temperature strictly kept below 120°. 2. Bearings with nylon retainers can operate continuously and stably over a long period at temperatures ranging from -40° to 120°; operation at 150° should not exceed 4 hours, with brief temperature peaks reaching up to 180°. 3. The warehouse where bearings are stored should be clean and dry; they must not be stored in the same warehouse as chemical products. The relative humidity should not exceed 65%, and bearings must not be stored on the ground. Installation and use of deep groove ball bearings: 1. When installing the bearing, even force should be applied; it must not be hammered directly. For example, when the interference is large, the bearing should be heated in an automatically temperature-controlled air heating furnace or oil furnace, with the heating temperature strictly kept below 120°. 2. Bearings with nylon retainers can operate continuously and stably over a long period at temperatures ranging from -40° to 120°; they should not be used at 150° for more than 4 hours, and temporary temperature peaks should not exceed 180°. 3. The warehouse where bearings are stored should be clean and dry; they must not be stored in the same warehouse as chemical products. The relative humidity should not exceed 65%, and bearings must not be stored on the ground. 4. Stocked bearings should be cleaned again every year and packaged to prevent rust. For the installation and use of angular contact ball bearings: 1. When installing the bearing, even force should be applied; direct hammering is not allowed. For example, when the interference fit is relatively large, the bearing should be heated in an automatically temperature-controlled air heating furnace or oil furnace, with the heating temperature strictly maintained below 100°. 2. Bearings with nylon retainers can operate continuously and stably over a long period at temperatures ranging from -40° to 120°; they should not be used at 150° for more than 4 hours, with brief temperature peaks possibly reaching 180°. 3. The warehouse where bearings are stored should be clean and dry; they must not be stored in the same warehouse as chemical products. The relative humidity should not exceed 65%, and bearings must not be stored on the ground. Installation and use of spherical roller bearings: Users should select an appropriate fit and axial clearance for the bearings according to their application requirements. After unpacking, please verify the bearing code first. 2. Before installing the bearings, if it is necessary to apply grease to them, the grease must be clean and applied in the proper amount. 3. During installation, it is advisable not to directly hammer the end faces of the inner and outer rings and the rollers, so as to prevent cracking of the inner ring or the medium and small ribs. Normally, the user should place the bearing in mineral oil and heat it to 90°–100° before immediately installing it on the spindle. Never use local flame heating for bearings; when “hot mounting” is difficult, users should also use special sleeves for installation. 4. The bearing should be equipped with a proper sealing and dust-proof mechanism as well as lubrication, and the oil supply must not be interrupted. 5. The bearing warehouse should be clean and dry, free from environmental pollution; bearings should not be stacked directly on the floor, and their packaging must remain intact. Bearings that have been in stock for over 1 year must be cleaned and re-oiled. Installation and use of thrust self-aligning roller bearings: 1. When installing the bearing, wash off the bearing oil seal and then apply clean, high-quality lubricating oil. 2. When installing the bearing, even force should be applied; hammering is not allowed. If the interference is large, the bearing should be placed in mineral oil and heated to 90°–100° before being installed immediately. 3. The warehouse where bearings are stored should be clean and tidy, with a relative humidity not exceeding 65%. 4. Inventory bearings should be cleaned and oiled again every year, and the oil seal packaging must be kept in good condition. 5 When using bearings, there should be a good sealing and dust-proof device, and their operating condition should be checked regularly. Installation and use of cylindrical roller bearings: 1. This bearing is of the separable type, allowing the user to adjust the clearance as needed during installation. 2. Before use, bearings should be cleaned with gasoline or kerosene and kept well-lubricated. 3. When installing the bearing, it should be pressed into the component; hammering is strictly prohibited. 4. The storage area for bearings should be clean and well-ventilated, with moisture avoided. Bearings that are to be stored for an extended period should be protected from rusting on a regular basis. Installation and use of thrust ball bearings: 1. When installing the bearing, remove the bearing seal, clean it, and then apply clean, high-quality lubricant. 2. When installing the bearing, even force should be applied; hammering is not allowed. If the interference is large, the bearing should be placed in mineral oil and heated to 90°–100° before being installed immediately. 3. The warehouse where bearings are stored should be clean and tidy, with a relative humidity not exceeding 65%. 4. Inventory bearings should be cleaned and oiled again every year, and the oil seal packaging must be kept in good condition. 5 When using bearings, there should be a good sealing and dust-proof device, and their operating condition should be checked regularly.