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When a TIMKEN bearing Assembly, whose clearance is not too big nor too small. Clearance is too large to cause fewer rolling at the same time as loading, enables a single rolling loads increase, thereby reducing the running accuracy of bearing, reducing the use of life; clearance is too small to make friction increases, heat generated increases, increased wear, can also reduce the bearing service life. Therefore, many bearing Assembly are strictly controlled and adjusted clearance when preload is the bearing in the Assembly, to the inner or outer ring bearing an axial force to eliminate the bearing clearance, and keeping the rolling deformation of early contact with the inner and outer rings. Preload can increase stiffness and running accuracy of bearing in working condition. For loading a large, rotating bearings with higher accuracy requirements, mostly without clearance work had even a small amount of surplus, in this case need to be assembled on bearings preload
1.TIMKEN bearing Assembly method because the bearings are precision products, such as assembling improper channels, it is easy to damage Koyo bearings, bearing damage. In the TIMKEN bearing Assembly should have a special mold, not assault, into the axis pressure can only be a small circle, circle, only for the stress cycle. Requested by the General Assembly of pneumatic or hydraulic, pressure for use on on, die under installed outside in the level of State, if you prefer TIMKEN bearing channels will cause damage to a power, and bearing guide bearings.
2.TIMKEN bearing removal and installation of same carefully. Note does not damage Koyo bearings and other parts, especially interference fit bearing removal, operation difficult. Therefore, at the design stage to think ahead to the ease of disassembly, removal tool based on design is also very important. At the time of demolition, demolition according to drawing research method, order, investigation of TIMKEN bearings tie conditions, to strike a demolition job of foolproof.
3.TIMKEN bearing material allows rigid particles clamping and lubricants at home and abroad to prevent scratching or (and) ability to abrasive wear. On metallic materials, low hardness and elastic modulus of low, clamping is good, is not necessarily non-metallic materials, such as carbon graphite, lower elastic modulus, but clamping is not good. Slide NSK spherical bearings with hard materials, usually with a relatively soft material friction pieces generally do with softer material bearing.
4. check TIMKEN bearing in work in the of vibration situation from peeling, and pressure trace, and rust, and crack, and wear, will in bearing of vibration measurement in the reflect, vibration on TIMKEN bearing of injury is is sensitive of, therefore, and through used special of TIMKEN bearing vibration measurement Manager (frequency Analyzer,) can measurement out vibration of size, through frequency min not inferred out exception of specific situation.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 697ZZ1 NSK | 7 | 17 | 5 |
| 687ZZ1 NSK | 7 | 14 | 3.5 |