Re: [CAD_CAM_EDM_DRO] skate bearings

> On Tuesday 16 August 2005 11:41 pm, Tony Smith wrote:
>> > Is there any reason you have to use skate bearings? Why don't you
>> just
>> > get some that are an exact match to what you need?
>> >
>> > Jeff
>>
>> Skate bearing (608s) are cheap and easily purchased. A lot of motors
>> (vacuum cleaners and the like) also use them. The other common one is
>> the
>> 607, a little bit smaller than the 608.
>
> What do these numbers refer to?

It's just a reference used by the industry. It means a bearing of a
particular size, I don't think the actual number means anything.

You'll also see 608ZZ, the ZZ (or Z) means the bearing isn't sealed, you
can removed the shields and clean the bearing. Sheilds are usually metal,
& held on by circlips.

Tony