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Bearing on itself sealed by structure of forms of to divided if, can is divided into contact type of sealed effect, and for contact type and can is divided into radial sealed Dutch axis to sealed of situation is as of effect, according to sealed ring of constructed is divided into single lip sealed of effect, and to appeared this aspects effect if, in sealed aspects of effect is not as, and reflected out of effect is has must of meaning, so to better of to reflected out such of situation if, For additional information of bearing seal through the introduction of technology to begin.
To in this aspects supporting bearing if attached sealed device can effective to prevent has outside foreign body of invasion, but in this sealed device will will increases institutions of axis to size of forms, and from these aspects to bearing using has Dutch installed maintenance brings inconvenience of effect, while which sealed performance also to was axis neck Dutch Shell body match parts of processing precision and the shaped bit tolerance of effect effect. And with sealed bearings can have a good environment for seal lubrication effect, and solved the problem of supporting parts, but also eliminates the complex effects of lubrication system, so compact, sealed when demanding parts, we recommend using a sealing effect.
Bearing performance of relevance in this context is also from the sealed structure to reflect the effect, while in other areas they are better able to reflect this effect, by the same token, reflected on the significance of the effects can change the effect of this change was better, this is the meaning of an expression.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 7038A NSK | 190 | 290 | 46 |
| 7938C NSK | 190 | 260 | 33 |