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NO. | Product | Product Number | Наружный диаметр (D) | Внутреннее кольцо (W2) | Наружное кольцо (W1) | Отверстие | Размер фаски (R) | Округление (r) |
---|---|---|---|---|---|---|---|---|
102 |
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MG-207-FFB | 3.4800 inch | 0.6693 inch | 1.2550 inch | 1.3780 inch | 0.0625 inch | 0.0400 inch |
103 |
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MG-307-FFB | 3.9800 inch | 0.8268 inch | 1.2550 inch | 1.3780 inch | 0.1250 inch | 0.0600 inch |
104 |
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MG-209-DD | 3.9750 inch | 0.7480 inch | 1.1210 inch | 1.7717 inch | 0.1250 inch | 0.0800 inch |
105 |
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MG-209-DD | 4.7500 inch | 0.9843 inch | 1.2500 inch | 1.7717 inch | 0.1250 inch | 0.0400 inch |
106 |
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MG-207-FFA | 3.2230 inch | 0.6743 inch | 1.0670 inch | 1.3780 inch | 0.1250 inch | 0.0400 inch |
107 |
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MG-5211-VFFB | 5.9800 inch | 1.3810 inch | 1.8850 inch | 2.1654 inch | 0.0600 inch | 0.0600 inch |
108 |
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MG-5311-VFFA | 6.4400 inch | 1.9375 inch | 2.0670 inch | 2.1654 inch | 0.4370 inch | 0.1180 inch |
109 |
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MG-5311-VZZA | 6.4400 inch | 1.9375 inch | 2.0670 inch | 2.1654 inch | 0.4370 inch | 0.1180 inch |
110 |
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MG-5208-VFFP | 4.9900 inch | 1.1850 inch | 1.6880 inch | 1.5748 inch | 0.3100 inch | 0.0800 inch |
111 |
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MG-5208-VFFPA | 5.0150 inch | 1.1850 inch | 1.6880 inch | 1.5748 inch | 0.3100 inch | 0.0800 inch |
112 |
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MG-5208-VFFPB | 5.0450 inch | 1.1850 inch | 1.6880 inch | 1.5748 inch | 0.3100 inch | 0.0800 inch |
113 |
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MG-5208-VFFQ | 4.0770 inch | 1.1850 inch | 1.6880 inch | 1.5748 inch | 0.3100 inch | 0.0800 inch |
114 |
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MG-5208-VFFQA | 4.1070 inch | 1.1850 inch | 1.6880 inch | 1.5748 inch | 0.3100 inch | 0.0800 inch |
115 |
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MG-5208-VFFQB | 4.1360 inch | 1.1850 inch | 1.6880 inch | 1.5748 inch | 0.3100 inch | 0.0800 inch |
116 |
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MG-5208-FFA | 4.0820 inch | 1.1925 inch | 1.7600 inch | 1.5748 inch | - | 0.0400 inch |
117 |
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MG-5208-VFF | 4.0820 inch | 1.1925 inch | 1.7600 inch | 1.5748 inch | - | 0.0400 inch |
118 |
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MG-5208-VFFA | 4.0820 inch | 1.1925 inch | 1.6980 inch | 1.5748 inch | - | 0.0400 inch |
119 |
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MG-5208-VFFE | 4.9900 inch | 1.1925 inch | 1.6980 inch | 1.5748 inch | - | 0.0400 inch |
120 |
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MG-5210-VFF | 6.4500 inch | 1.1850 inch | 1.6900 inch | 1.9685 inch | 0.1000 inch | 0.0400 inch |
121 |
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MG-5211-VFF | 7.4600 inch | 1.5160 inch | 1.8100 inch | 2.1654 inch | 0.1000 inch | 0. .0600 inch |
122 |
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MG-5211-VFFA | 6.2700 inch | 1.5180 inch | 1.8850 inch | 2.1654 inch | 0.0600 inch | 0. .0600 inch |
123 |
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MG-5211-VR | 5.3850 inch | 1.5180 inch | 1.8850 inch | 2.1654 inch | 0.0600 inch | |
124 |
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MG-5212-VZZ | 7.4600 inch | 1.4375 inch | 2.1300 inch | 2.3622 inch | 0.2500 inch | 0. .0600 inch |
125 |
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MG-5212-VZZA | 7.9600 inch | 1.4375 inch | 2.1300 inch | 2.3622 inch | 0.2500 inch | 0. .0600 inch |
126 |
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MG-5213-VFF | 7.4120 inch | 1.8430 inch | 2.0600 inch | 2.5591 inch | 0.0600 inch | 0. .0600 inch |
Features and advantages of mast guide roller bearings
Mast guide roller bearings solve several key problems across various fields, mainly reflected in the following aspects:
1. High load-bearing capacity
Forklifts are typically used to transport heavy loads, so the main roller bearings need to have a high load-bearing capacity. They must support stable operation when the forklift is under load. Bearings are often designed with high load resistance, such as large diameter, reinforced ball or roller bearings, to maintain stability and durability under heavy loads.
2. Wear resistance
Since forklifts endure substantial friction and pressure during operation, the main roller bearings must have strong wear resistance. The bearing material is typically made of high-strength alloy steel or other wear-resistant materials, offering excellent wear resistance and effectively reducing wear caused by friction, thus extending service life.
3. Low noise and high stability
In daily forklift operation, bearing noise and vibration need to be minimized to ensure smooth operation. The design of main roller bearings usually focuses on reducing noise and vibration, using precision-processed rolling elements and lubrication systems to ensure that the forklift operates quietly and smoothly.
4. Adaptation to complex working conditions
Forklifts often operate in complex environments such as warehouses, construction sites, and freight terminals. These areas may have uneven floors, and forklifts need to constantly turn or stop abruptly. Therefore, the main roller bearings must be able to adapt to these complex conditions, providing strong support and stability to ensure smooth forklift operation.
Performance improvement and solutions for mast guide roller bearings
1. Lubricant optimization
Selecting the appropriate lubricating oil or grease, and adding and mixing it properly, can reduce friction and improve wear resistance. Using synthetic lubricants or nano-lubricants can significantly enhance the bearing's efficiency and service life.
2. Raceway optimization
Optimizing the geometry of the inner and outer ring raceways, such as improving raceway precision and surface finish, reduces friction, minimizes energy loss, and improves bearing efficiency.
3. Strengthened sealing structure
Designing an efficient sealing system to prevent dust, dirt, moisture, and other external contaminants from entering the bearing. A good sealing design helps keep the bearing clean and prolongs its service life.
4. Corrosion-resistant design
For demanding environments (such as marine or chemical conditions), using stainless steel, corrosion-resistant coatings, or surface treatment techniques can improve the bearing's resistance to corrosion.
Main application fields of mast guide roller bearings
1. Forklift main wheel support
Mast guide roller bearings are typically installed in the rotating part of the main wheel, supporting the free rotation of the main wheel on the horizontal plane, reducing friction, and improving operating efficiency. The main wheel carries the weight of the forklift and is responsible for driving on the ground, so the use of bearings in this area improves the forklift's handling and durability.
2. Hydraulic system applications
In some forklift designs, mast guide roller bearings may also appear in hydraulic devices, lift arms, and fork arm motion systems, ensuring the stability and precise control of these components.
3. Heavy-duty working environment
Forklifts are mainly used in industrial, warehousing, and logistics environments with heavy loads. Mast guide roller bearings must be able to withstand significant pressure and friction, making them suitable for various ground transportation operations such as cargo handling, stacking, and loading/unloading.
4. High-frequency usage locations
Mast guide roller bearings have excellent compression resistance, high-temperature tolerance, and long service life, making them ideal for high-frequency operation environments.