Full complement cylindrical roller bearings without outer ring are designed to withstand heavy loads. At the same width, this kind of bearing has high load carrying capacity and small radial cross-section compared with the traditional bearing with cage, which can save space, but the speed is relatively low. In order for the bearing to work normally, in the case of continuous operation, the bearing needs to bear a small load within the range, that is, C/P<25. Otherwise, wear will be aggravated due to insufficient lubrication and high-speed operation. All multi-row cylindrical roller bearings have a lubrication groove and lubrication holes in the outer ring. The rotational speed of the full complement cylindrical roller bearing without an outer ring is much lower than that of the cylindrical roller bearing with a cage, but the installation space requirement is small, the bearing capacity is high, and the rigidity is high, which fully meets the limit requirements of the planetary gear reducer for the bearing. IDC can provide single-row and double-row full complement cylindrical roller bearings and thrust washers for planetary gear reducers, and can also design the size and style of bearings according to customer requirements, including single-sided chamfering of the inner ring, multi-row Bearings, diameters and widths are non-standard, etc. The rotational speed of the full complement cylindrical roller bearing without an outer ring is much lower than that of the cylindrical roller bearing with a cage, but the installation space requirement is small, the bearing capacity is high, and the rigidity is high, which fully meets the limit requirements of the planetary gear reducer for the bearing. IDC can provide single-row and double-row full complement cylindrical roller bearings and thrust washers for planetary gear reducers, and can also design the size and style of bearings according to customer requirements, including single-sided chamfering of the inner ring, multi-row Bearings, diameters and widths are non-standard, etc. Full complement cylindrical roller bearings are designed to withstand heavy loads. Under the same width, this kind of bearing has extremely high load capacity compared with the traditional cage bearing, and the radial section is small, which can save space, but the speed is relatively low. The dimensional tolerances and geometrical deviations of full complement cylindrical roller bearings shall comply with the GB/T307.1-94P0 tolerance level, and the normal original radial clearance CO, and bearings with C2 to C4 original radial clearance can also be required. However, the corresponding suffix should be added after the bearing code when ordering. Rubber and plastic screw extruders generally use C3 group clearance. Full Complement Cylindrical Roller Bearing: It is an unsealed bearing, with no ribs on the outer ring, with oil grooves and three lubrication holes. The inner ring has three ribs. A fixed ring is installed in the center of the outer ring between the two rows of rollers, which can prevent the rollers from falling out and keep the bearing as a whole. Cylindrical roller bearings can be connected to any cylindrical or tapered hole. In machine tool applications, cylindrical roller bearings with tapered bores are preferred because the taper allows more precise adjustment of clearance or preload during installation. Needle roller bearings are bearings with cylindrical rollers whose diameter is smaller than their length. Roller ends are slightly retracted to improve line contact between rollers and raceways. This prevents peak stresses on both ends of the needle rollers, thereby extending bearing life. Despite their small cross-section, needle roller bearings have a high load-carrying capacity. Therefore, they are ideal for bearing arrangements with limited radial space. Needle roller bearings can be divided into radial bearings and thrust bearings according to the direction of the load. Among them, radial bearings include: various series of drawn outer ring type, solid type, and special purpose bolt type and retaining ring type roller needle roller bearings.
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