1. the bearings directly on tapered shaft seating
In this way, for small and medium sized NSK bearings can be used to install the sleeve, you can also use the lock nut and the hook spanner pushing the bearing cone. But should ideally be using lock nuts to install because it can accurately control the amount of bearings with a tapered bore, radial clearance reduction.
2. bearings are mounted on a withdrawal sleeve with conical
This law may adopt a similar approach, using lock nuts onto. Withdrawal sleeves is located between axis and NSK bearing inside diameter,
3. bearings are mounted on adapter sleeves
When you install, push the fixing nut of NSK bearing used tighten sleeve of cone.
1. tapered Kong Shuang-row cylindrical roller bearing installation
This type of bearings for machine tool spindles, such as NN3020K (formerly code-named 3182120) NSK bearings. Its installation and installation of spherical roller bearings with a tapered bore, is basically the same in principle, combined with the tightness of the radial internal clearance of the bearing before and after is installed to reduce the amount of achievement. Installation, generally by measurement of radial clearance reduction NSK bearings axial displacement of the inner ring on the shaft in place. Axial displacement according to the following formula:
• L=K（eH—en+a）（mm）
Type eH--in the original radial clearance
En--bearing radial clearance
A--constant,-0.01
K--with hollow shaft-wall thickness ratio