Thread Number: 30250  /  Tag: 50s/60s/70s Vacuum Cleaners
Kirby 516 Rear Bearing - Shield?
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Post# 335792   10/17/2015 at 12:09 (3,111 days old) by champamp (Louisville, KY)        

Is it supposed to have a shield? The front says Made In USA, and then tiny numbers I can't read....

I haven't cleaned it yet, but it turns well. Other newer vacs have bearing shields?


Post# 335814 , Reply# 1   10/17/2015 at 19:37 (3,111 days old) by blknblu (CT)        

Shields are necessary to keep the dirt out.

Most of these bearing have the same size:
--------------------------------------
Picture is a sealed bearing.
2RS style bearing (double seal) for longevity.
This is a sealed beared vs shielded. A sealed bearing will hold up better in a dirty environment.

A common size is the 608 bearing which is 8mm Bore, 22mm OD, and 7mm Width

So 608 2RS is sealed, and 608 ZZ is shielded.

Look here also:
Bearings styles/series vacs use? - Help
www.vacuumland.org/cgi-bin/TD/TD-...




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Post# 335815 , Reply# 2   10/17/2015 at 20:15 (3,111 days old) by champamp (Louisville, KY)        
Thank you...

So it's likely that this bearing once had a shield....I should probably get a new one. Thanks.

Post# 335836 , Reply# 3   10/18/2015 at 02:45 (3,110 days old) by bikerray (Middle Earth)        

bikerray's profile picture
If it's any help the front bearing is a 87500 and the rear bearing is a 87007.

The old rear bearings were enclosed on the side facing the commutator and open on the other side. Then there was a grease shield up against the open side of the bearing and a washer with spring fingers that went in the housing.


Post# 335862 , Reply# 4   10/18/2015 at 17:01 (3,110 days old) by champamp (Louisville, KY)        
Exactly...

...the kind of detailed info I needed....thank you Ray!


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