产品参数
商品编号: | 110002447 | 品牌: | TARSO |
产品类别: | Self-aligning Ball Bearing | 产品重量:(g) | 550.00 |
轴承型号: | 2209 K | 产品颜色: | Natural color |
等同其它型号: | 使用特性: | ||
外形尺寸-内径d:(mm) | 45 | 外形尺寸-外径D:(mm) | 85 |
外形尺寸-宽度B:(mm) | 外形尺寸-内圈高度:(mm) | 23 | |
外形尺寸-外圈高度:(mm) | 23 | 轴承材料-轴承外圈材料: | GCr15 |
振动等级: | 轴承材料-轴承内圈材料: | GCr15 | |
滚道类型: | 轴承材料-滚动体材料: | GCr15 | |
密封方式: | OPEN | 轴承材料-保持架材料: | GRPA66-25 |
轴承精度等级: | P0 | 轴承材料-密封件材料: | |
内部游隙: | 基本额定载荷-动载荷:(KN) | 23.3KN | |
润滑剂类型: | 基本额定载荷-静载荷:(KN) | 8.15KN | |
极限转速-脂润滑:(r/min) | 极限转速-油润滑:(r/min) |
产品特性
Can withstand higher radial load, but also can withstand a certain degree of axial load. High-strength, self-aligning.应用领域
Suitable for precision instruments, low noise motors, automobiles, motorcycles and general machinery, the machinery industry, the most widely used type of bearings商品详情
Aligning ball bearings are two raceways in the inner and outer ring road between spherical roller was , fitted with spherical ball bearings. Outer ring raceway curvature center and bearing center line, so with self-aligning feature. When the shaft , casing deflection occurs , can be automatically adjusted without increasing the burden bearing .
Aligning ball bearing bore cylindrical and conical two kinds. Conical bore taper 1:1 2 or 1:30. In order to enhance the lubrication properties of the bearing, the bearing outer ring tank and generally hole . Cage made of steel sheet , synthetic resin. It features an outer ring raceway spherical shape, with auto-Mind , can compensate for misalignment and shaft deflection errors caused by self-aligning ball bearing , but the inner and outer rings relative inclination of not more than 3 degrees. Aligning ball bearings can withstand high radial load , but also can withstand a certain degree of axial load. This kind of bearing outer ring raceway is spherical shape, aligning it with the performance, when the axial force leaving the inner bend or tilt tilted relative to the center line and the center line of the outer ring does not exceed 1 ° ~ 2.5 ° , the bearing can still work .
Self-aligning ball bearings Features : mainly bear radial load, but can withstand a small axial load. ( Shell ) of the axial displacement limit the clearance limit, with self-aligning performance, allowing the peripheral conditions is relatively little inclination to work for bearing seat hole can not be strictly guaranteed concentricity of the part. Aligning ball bearings with cylindrical bore and tapered bore two structures , the cage made of steel sheet , synthetic resin. It features an outer ring raceway spherical shape, with auto-Mind , can compensate for misalignment and shaft deflection caused the error , but the inner and outer rings relative inclination of not more than 3 degrees.
Aligning ball bearing structure forms : When aligning ball bearing assembly with a ring with a dust cover and the right amount of grease has been filled in , should not be heated before installation do not wash , use the process without re-lubrication , suitable temperature : -30 ℃ to + 120 ℃ between . Aligning ball bearings main purposes: for precision instruments , low noise motors , automobiles, motorcycles and general machinery, the machinery industry, the most widely used type of bearings .
Aligning ball bearing installation :
Bearing installation is good or bad or not, will affect the accuracy of bearing life and performance. Therefore, please install the full study bearings can operate according to the following criteria bearing installation .
A cleaning bearings and related parts
Already greasing bearings , no cleaning prior to installation .
Second, the size and finishing the inspection -related parts
Third, the installation method
Bearing installation should be based on the nature of the bearing with the structure, size and bearing components , depending fitting force should be directly added to the tight fit of the ferrule end face , the pressure must not pass through the rolling bearing installation generally use the following method :
a. press fit
Bearing inner ring and the shaft using a tight fit , the outer ring and the bearing hole is looser fit , can press the bearings would be pressed onto the shaft , and the shaft together with the bearing into the bearing hole together , when the pressure mounted on the bearing inner side surface, a soft pad assembly casing made of metallic materials (copper or soft steel ) , the inner diameter of the sleeve assembly journal diameter should be slightly larger than the outer diameter slightly smaller than the diameter of the bearing inner ring should avoid pressure on the retainer . Bearing outer ring and bearing bore tight fit when compared to the inner ring and the shaft is a loose fit , the bearing can be pressed into the bearing hole , then assemble the outer diameter of the sleeve should be slightly smaller than the diameter of the housing bore . If the bearing rings and the shaft and the bore is a tight fit , while the inner ring and the outer ring press-fitted to the shaft and housing bore , the assembly structure of the casing to be simultaneously pressed against the end face of the bearing inner ring and the outer ring .
b. heating with
By heating the bearings or bearing, the use of thermal expansion of the tight fit into a song with the installation method is a common and effortless installation. This method is suitable for a large amount of interference bearing mounting , heat installed before or separable bearing the bearing rings into the tank uniform heating 80-100 ℃, then remove from the oil loaded onto the shaft as soon as possible , in order to after cooling to prevent the inner face and shoulder fit is not tight , you can then tighten the axial bearing cooling . When the bearing outer ring and light metal bearing tight fit , using thermal heating bearing installation method , can be avoided with the surface by abrasion . When the tank is heated with a bearing at a certain distance from the bottom of the gate should network , or hanging hook bearing , the bearing can not be put on the bottom , in order to prevent impurities from entering the bearing in the heated or non-uniform , the tank must have a thermometer , strictly control oil temperature must not exceed 100 ℃, in order to prevent tempering effect , reducing the hardness of the bearing rings .