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INA bearing axial position is usually by moving the outer ring of axial internal clearance. INA main common adjustment bearing axial clearance in two ways, namely adjustment bolt and adjust the shim method of law.
1. adjust the shim method:
In INA bearing end cover and bearing block end surface Zhijian filled put a group soft material (soft steel tablets or elastic paper) gasket; adjustment Shi, first not put gasket loaded Shang bearing end cover, side uniform to twist tight bearing end cover Shang of screws, side with hand turned axis, until bearing scroll body and outer ring contact and axis internal no gap weizhi; then measurement bearing end cover and bearing block end surface Zhijian of gap, again plus bearing in normal work Shi by needs of axis to gap; this is by needed filled put gasket of total thickness, Then put ready gasket placed on the bearing end cover and bearing between the end and finally tighten the screws.
2. adjust bolt method:
INA bearing pressure in the pressure ring on the outer ring, with adjustment bolts pressure; pressure before adjusting, first measure the pitch adjustment bolt, then tighten adjusting bolt slowly until until there is space within the bearing and calculate the corresponding rotation angle adjustment bolt. For example, pitch is 1.5mm, required for the normal operation of the bearing clearance, then the required rotation angle adjustment bolt 3600x0.15/l.5=360; flip 360 adjustment bolt, the micro-bearings axial clearance of the 0.5mm, and then use the gaskets fixed to stop.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 4T-13889/13830 NTN | 38.1 | 63.5 | 11.908 |
| 4T-JL69349/JL69310 NTN | 38 | 63 | 17 |