NTN Bearing cylindrical bore and tapered bore installation method
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The installation of a cylindrical bore NTN Bearing
Cylindrical hole NTN Bearing installation cylindrical hole NTN Bearing installation and hot charging method are two ways, they all have their own scope of application and advantages.
A press pressure into
Small NTN Bearing is widely used to press indentation method. Pad pad into the inner circle, quietly press pressure to the inner circle and close contact to the axis until the retaining shoulder. Outer pad pad install the inner ring, is caused by the raceway indentation bruised reasons, to the absolute prohibition.
Operation, installation, preferably prior to the mating surfaces coated with oil. Pad pad operations in the inner ring must be installed with a hammer and beat occasions. This practice is often the operation of the NTN Bearing, therefore, is limited to used a small amount of interference, can not be used for surplus capacity, or in large NTN Bearing.
Non-separable class of deep groove ball NTN Bearing NTN Bearing, the inner ring, outer ring needs to installed by the amount of interference occasions pad mat, screw or hydraulic pressed into the inner and outer rings . Aligning ball NTN bearing outer ring is easy to tilt, if not the interference fit, the best pad pad installation. Cylindrical roller NTN Bearing, NTN Bearing tapered roller NTN Bearing class separation type, can be inner and outer rings were installed on the shaft and housing, will be installed to the combination of inner and outer rings, the key is the two firmly together and so that they are the center does not produce deviation from the pressure, barely membership card raceway injury.
2, the use of hot charging method
Large NTN Bearing, the indentation requires a lot of force, making it difficult to pushed onto. NTN Bearing heating oil will make it expand, and then loaded to the shaft and hot charging method is widely used. Using this method can not increase to the NTN Bearing undue force, in a short period of time to complete the job.
Heating temperature, the NTN Bearing NTN Bearing size, the required amount of interference as a reference. Hot charging operation Note the following three points:
1 NTN Bearing heated to above 120 ℃; NTN Bearing heated to higher than the desired temperature 20 ℃ -30 ℃, in order to operate as to prevent the inner ring is cold, difficult to install;
2, no direct contact with the tank bottom, it is best to consider NTN Bearing on the metal mesh table, or hung up the NTN Bearing NTN Bearing;
3, after the installation to be NTN bearings cool down, and its width direction of contraction, so they need to tighten the shaft nut or other suitable methods so that, to prevent the inner ring and NTN bearings produce a gap between the shoulder block.
Second, NTN Bearing, tapered bore installation
NTN bearings, tapered bore directly into the inner ring fixed to the cone axis, or use the adapter sleeve, remove the sleeve installation to the cylindrical axis. Large aligning NTN bearings with a hydraulic installation.
234407BM 234706BM 234406BM 517/2860V/YA 5610/2500 517/1720X1V 527/1181M 510/1180M 517/930 510/670 590/560 510/500 52780 59080 517/368M 51760U 517/238 6207-2ZN 6206-2ZN 6205-2ZN 6204-2ZN 6203-RZ 6203-2ZN 6202N 6202-2ZN 6201-2ZN 6200ZZ 6200-2ZN 62/32-ZN 62/32-Z 62/32N 62/32-2Z 62/32-2RZ 62/32-2RS 62/28-2RZ 62/22-2RZ 61996 61992 61988 61984
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Under normal circumstances, NTN bearings, cylindrical bore, mostly use the press pressed into the installation method or hot charging method, NTN bearings, tapered bore, however, is installed directly in the taper axis, or use the sleeve installation method.The installation of a cylindrical bore NTN Bearing
Cylindrical hole NTN Bearing installation cylindrical hole NTN Bearing installation and hot charging method are two ways, they all have their own scope of application and advantages.
A press pressure into
Small NTN Bearing is widely used to press indentation method. Pad pad into the inner circle, quietly press pressure to the inner circle and close contact to the axis until the retaining shoulder. Outer pad pad install the inner ring, is caused by the raceway indentation bruised reasons, to the absolute prohibition.
Operation, installation, preferably prior to the mating surfaces coated with oil. Pad pad operations in the inner ring must be installed with a hammer and beat occasions. This practice is often the operation of the NTN Bearing, therefore, is limited to used a small amount of interference, can not be used for surplus capacity, or in large NTN Bearing.
Non-separable class of deep groove ball NTN Bearing NTN Bearing, the inner ring, outer ring needs to installed by the amount of interference occasions pad mat, screw or hydraulic pressed into the inner and outer rings . Aligning ball NTN bearing outer ring is easy to tilt, if not the interference fit, the best pad pad installation. Cylindrical roller NTN Bearing, NTN Bearing tapered roller NTN Bearing class separation type, can be inner and outer rings were installed on the shaft and housing, will be installed to the combination of inner and outer rings, the key is the two firmly together and so that they are the center does not produce deviation from the pressure, barely membership card raceway injury.
2, the use of hot charging method
Large NTN Bearing, the indentation requires a lot of force, making it difficult to pushed onto. NTN Bearing heating oil will make it expand, and then loaded to the shaft and hot charging method is widely used. Using this method can not increase to the NTN Bearing undue force, in a short period of time to complete the job.
Heating temperature, the NTN Bearing NTN Bearing size, the required amount of interference as a reference. Hot charging operation Note the following three points:
1 NTN Bearing heated to above 120 ℃; NTN Bearing heated to higher than the desired temperature 20 ℃ -30 ℃, in order to operate as to prevent the inner ring is cold, difficult to install;
2, no direct contact with the tank bottom, it is best to consider NTN Bearing on the metal mesh table, or hung up the NTN Bearing NTN Bearing;
3, after the installation to be NTN bearings cool down, and its width direction of contraction, so they need to tighten the shaft nut or other suitable methods so that, to prevent the inner ring and NTN bearings produce a gap between the shoulder block.
Second, NTN Bearing, tapered bore installation
NTN bearings, tapered bore directly into the inner ring fixed to the cone axis, or use the adapter sleeve, remove the sleeve installation to the cylindrical axis. Large aligning NTN bearings with a hydraulic installation.
