Bearing Box Parts of TlT Axial Fan

NU, NJ cylindrical roller bearings model ID OD Thickness (mm) (mm) (mm) NU330 150 320 65 NJ330 150 320 65 NU336 180 380 75 NJ336 180 380 75 NU340 200 420 80 NJ340 200 420 80 NU348 240 500 95 NJ348 240 500 95 滚动轴承由外圈,内圈,滚动体和保持架四部分组成.角接触轴承极限转速较高,可以同时同时承受径向载荷和轴向载荷,也可以承受纯轴向载荷,其轴向载荷能力由接触角决定,并随接触角增大而增大.单列角接触球轴承只能承受一个方向的轴向载荷,在承受径向载荷时,会引起附加轴向力,必须施向相应的反向载荷,因此,该种轴承一般都成对使用. 轴承损坏及超过使用小时,必须更换. The rolling bearing is composed of four parts: outer ring, inner ring, rolling body and cage.

轴承箱部套 预紧环——与弹簧一起,隔开两组轴承,调节轴承和主轴的轴向间隙. 抛油环——与间隔衬套一起,定位轮毂压装位置. 导油环——与端盖一起,固定压紧轴承外圈,并甩油润滑轴承内滚珠. Bearing box part sleeve Preload ring - Together with the spring, separates the two sets of bearings and adjusts the axial clearance between the bearing and the spindle. Oil throw ring - Together with the spacer bushing, locates the hub pressing position. Oil guide ring - together with the end cap, the outer ring of the bearing is fixed and compressed, and the inner ball of the bearing

H180 Bearing box accessories ring oiler 轴承箱部套 预紧环——与弹簧一起,隔开两组轴承,调节轴承和主轴的轴向间隙. 抛油环——与间隔衬套一起,定位轮毂压装位置. 导油环——与端盖一起,固定压紧轴承外圈,并甩油润滑轴承内滚珠. Bearing box part sleeve Preload ring - Together with the spring, separates the two sets of bearings and adjusts the axial clearance between the bearing and the spindle. Oil throw ring - Together with the spacer bushing, locates the hub pressing position. Oil guide ring - together with the end cap, the outer ring of the bearing is fixed and

H240 Bearing box accessories ring oiler 轴承箱部套 预紧环——与弹簧一起,隔开两组轴承,调节轴承和主轴的轴向间隙. 抛油环——与间隔衬套一起,定位轮毂压装位置. 导油环——与端盖一起,固定压紧轴承外圈,并甩油润滑轴承内滚珠. Bearing box part sleeve Preload ring - Together with the spring, separates the two sets of bearings and adjusts the axial clearance between the bearing and the spindle. Oil throw ring - Together with the spacer bushing, locates the hub pressing position. Oil guide ring - together with the end cap, the outer ring of the bearing is fixed and

H180 Bearing box accessories Oil guide ring 轴承箱部套 预紧环——与弹簧一起,隔开两组轴承,调节轴承和主轴的轴向间隙. 抛油环——与间隔衬套一起,定位轮毂压装位置. 导油环——与端盖一起,固定压紧轴承外圈,并甩油润滑轴承内滚珠. Bearing box part sleeve Preload ring - Together with the spring, separates the two sets of bearings and adjusts the axial clearance between the bearing and the spindle. Oil throw ring - Together with the spacer bushing, locates the hub pressing position. Oil guide ring - together with the end cap, the outer ring of the bearing is fixed and

H200 Bearing box accessories Oil guide ring 轴承箱部套 预紧环——与弹簧一起,隔开两组轴承,调节轴承和主轴的轴向间隙. 抛油环——与间隔衬套一起,定位轮毂压装位置. 导油环——与端盖一起,固定压紧轴承外圈,并甩油润滑轴承内滚珠. Bearing box part sleeve Preload ring - Together with the spring, separates the two sets of bearings and adjusts the axial clearance between the bearing and the spindle. Oil throw ring - Together with the spacer bushing, locates the hub pressing position. Oil guide ring - together with the end cap, the outer ring of the bearing is fixed and

H240 Bearing box accessories Oil guide ring 轴承箱部套 预紧环——与弹簧一起,隔开两组轴承,调节轴承和主轴的轴向间隙. 抛油环——与间隔衬套一起,定位轮毂压装位置. 导油环——与端盖一起,固定压紧轴承外圈,并甩油润滑轴承内滚珠. Bearing box part sleeve Preload ring - Together with the spring, separates the two sets of bearings and adjusts the axial clearance between the bearing and the spindle. Oil throw ring - Together with the spacer bushing, locates the hub pressing position. Oil guide ring - together with the end cap, the outer ring of the bearing is fixed and

B2U7 265*290*16 Framework oil seal(Radial shaft seal) 轴承箱部套:起到封油防泄漏作用. Bearing box part sleeve: plays the role of sealing oil and preventing leakage.

BA230*260*15 Framework oil seal(Radial shaft seal) 轴承箱部套:起到封油防泄漏作用. Bearing box part sleeve: plays the role of sealing oil and preventing leakage.

B2U7 205*230*16 Framework oil seal(Radial shaft seal) 轴承箱部套:起到封油防泄漏作用. Bearing box part sleeve: plays the role of sealing oil and preventing leakage.

H150N2 main bearing box 1.套装轴承内圈,叶轮前,相应的轴配合面及两端螺纹镀铜,然后涂防锈油. 2.加工面涂防锈油. 3.仓库储备时,叶轮轴颈应涂上硬膜油脂,并用油纸包扎. 4.轴承箱最高工作转速:n=1800r/min. 5.最高油位时的油量:V=9L. 6.轴承箱盖螺钉的拧紧力矩:M/A=60Nm. 主轴和滚动轴承同置于一铸铁箱体内,此箱体同心地安装在风机下半机壳中并用螺栓固定. 在主轴的两端各装一个滚柱轴承用以承受径向力,为了承受轴向力,在近联轴器端装有向心推力球轴承,承担逆气流方向的轴向力.送风机装有一个向心推力球轴承,一次风机装有二个向心推力球轴承. 1. Set the inner ring of the bearing, the front of the impeller, the corresponding shaft mating surface and both ends of the thread plated with copper, and then coated with anti-rust

H180N1 main bearing box 1.套装轴承内圈,叶轮和联轴器之前,相应的轴配合处和两端旋接螺母Ⅰ,Ⅱ的螺纹处需涂防锈油. 2.加工后的轴承箱在装配前的防锈,对加工过的光亮表面和其它表面涂防锈油. 3.仓库储备时的防锈,除按上述2执行外,对套装叶轮和联轴器的轴颈应涂上硬膜油脂,并用油纸包扎. 4.轴承箱最高工作转速:n=1800r/min. 5.最高油位时的油量:V=20.5L. 6.轴承箱盖螺钉的拧紧力矩:M/A=113.7Nm. 主轴和滚动轴承同置于一铸铁箱体内,此箱体同心地安装在风机下半机壳中并用螺栓固定. 在主轴的两端各装一个滚柱轴承用以承受径向力,为了承受轴向力,在近联轴器端装有向心推力球轴承,承担逆气流方向的轴向力.送风机装有一个向心推力球轴承,一次风机装有二个向心推力球轴承. 1. Before fitting bearing inner ring, impeller and coupling, the corresponding shaft fit and screw nut I and II at both

H200N1 main bearing box 1.套装轴承内圈,叶轮前,相应的轴配合面及两端螺纹镀铜,然后涂防锈油. 2.加工面涂防锈油. 3.仓库储备时,叶轮轴颈应涂上硬膜油脂,并用油纸包扎. 4.轴承箱最高工作转速:n=1600r/min. 5.最高油位时的油量:V=26L. 6.轴承箱盖螺钉的拧紧力矩:M/A=117Nm. 主轴和滚动轴承同置于一铸铁箱体内,此箱体同心地安装在风机下半机壳中并用螺栓固定. 在主轴的两端各装一个滚柱轴承用以承受径向力,为了承受轴向力,在近联轴器端装有向心推力球轴承,承担逆气流方向的轴向力.送风机装有一个向心推力球轴承,一次风机装有二个向心推力球轴承. 1. Set the inner ring of the bearing, the front of the impeller, the corresponding shaft mating surface and both ends of the thread plated with copper, and then coated with anti-rust

H200N2 Bearing housing shell 1.金加工后进行密封试验.试验压力为3×105/Pa.试验时间为15分钟,要求轴承箱体本体不渗漏 2.用五倍放大镜检查铸件加工表面,不允许有气孔. 3.铸件尺寸公差按GB6414-99中7级精度. 1. Seal test after gold processing. The test pressure is 3×105/Pa. The test time is 15 minutes, and the bearing housing body is required not to leak 2. Check the machining surface of the casting with a five-fold magnifying glass, and no pores are allowed. 3. Casting size tolerance according to GB6414-99 grade 7 accuracy.

H150N2 Bearing housing shell 1.金加工后进行密封试验,试验压力为3kg/cm,试验时间为15分钟,要求轴承箱本身不渗漏. 2.用5倍放大镜检查加工表面,不允许有气孔. 3.铸件尺寸公差符合GB/T6414-1999中7级精度要求. 1. The sealing test is carried out after the gold processing, the test pressure is 3kg/cm, the test time is 15 minutes, and the bearing box itself is required not to leak. 2. Check the processed surface with a 5x magnifying glass, and do not allow pores. 3. The dimensional tolerance of the casting meets the 7 level accuracy requirements of GB

H180N1 Bearing housing shell 1.金加工后进行密封试验,试验压力为29.43Pa,试验时间为15分钟,要求轴承箱本身不渗漏. 2.用5倍放大镜检查铸件加工表面,不允许有气孔. 3.铸件尺寸偏差应符合JB2854-80中7级精度规定. 4.尺寸710mm需保证有足够的加工余量,不得有黑疤. 1. Seal test is carried out after gold processing, the test pressure is 29.43Pa, the test time is 15 minutes, and the bearing box itself is required not to leak. 2. Check the machining surface of the casting with a 5x magnifying glass, and no pores are allowed. 3. The size deviation of the casting shall comply with the

H150N2 Bearing box spindle, fan spindle 技术要求 1.材料需作如下试验 (1)同冶炼取试样作化学成份分析 (2)同冶炼炉同连续热处理取2%,但不少于两套试样作机械性能试验(σb,σs,δ,Ψ) (3)同冶炼炉同连续热处理取2%,但不少于二套试样作冲击试验(αk) (4)对每一件测定硬度(HB) 2.材料调质后,机械性能 (1)σb=700 N/mm2/ (2)σs=500 N/mm2/ (3)δ5=15 % (4)Ψ=45 % (5)αk=58Nm/cm2/ (6)HB=230~260 3.零件需按JB/T1581-85作超声波检验 4.检修时发现: 1) 主轴有裂纹,必须更换. 2) 主轴轴径磨损或拉伤严重,必须要修复. Technical requirement 1. The material shall be tested as follows (1) Chemical composition analysis of samples taken with smelting (2) 2% of the

H180N2 Bearing box spindle, fan spindle 技术要求 1.材料需作如下试验 (1)同冶炼取试样作化学成份分析 (2)同冶炼炉同连续热处理取2%,但不少于两套试样作机械性能试验(σb,σs,δ,Ψ) (3)同冶炼炉同连续热处理取2%,但不少于二套试样作冲击试验(αk) (4)对每一件测定硬度(HB) 2.材料调质后,机械性能 (1)σb=700 N/mm2/ (2)σs=500 N/mm2/ (3)δ5=15 % (4)Ψ=45 % (5)αk=58Nm/cm2/ (6)HB=230~260 3.零件需按JB/T1581-85作超声波检验 4.检修时发现: 1) 主轴有裂纹,必须更换. 2) 主轴轴径磨损或拉伤严重,必须要修复. Technical requirement 1. The material shall be tested as follows (1) Chemical composition analysis of samples taken with smelting (2) 2% of the

H200N2 Bearing box spindle, fan spindle 技术要求 1.材料需作如下试验 (1)同冶炼取试样作化学成份分析 (2)同冶炼炉同连续热处理取2%,但不少于两套试样作机械性能试验(σb,σs,δ,Ψ) (3)同冶炼炉同连续热处理取2%,但不少于二套试样作冲击试验(αk) (4)对每一件测定硬度(HB) 2.材料调质后,机械性能 (1)σb=700 N/mm2/ (2)σs=500 N/mm2/ (3)δ5=15 % (4)Ψ=45 % (5)αk=58Nm/cm2/ (6)HB=230~260 3.零件需按JB/T1581-85作超声波检验 4.检修时发现: 1) 主轴有裂纹,必须更换. 2) 主轴轴径磨损或拉伤严重,必须要修复. Technical requirement 1. The material shall be tested as follows (1) Chemical composition analysis of samples taken with smelting (2) 2% of the

H180 Bearing box accessories Shrink ring 轴承箱部套 预紧环——与弹簧一起,隔开两组轴承,调节轴承和主轴的轴向间隙. 抛油环——与间隔衬套一起,定位轮毂压装位置. 导油环——与端盖一起,固定压紧轴承外圈,并甩油润滑轴承内滚珠. Bearing box part sleeve Preload ring - Together with the spring, separates the two sets of bearings and adjusts the axial clearance between the bearing and the spindle. Oil throw ring - Together with the spacer bushing, locates the hub pressing position. Oil guide ring - together with the end cap, the outer ring of the bearing is fixed and