HammondWiki - Diff: LeslieBearings

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Newer page: version 9 Last edited on March 15, 2023 3:58 am. by 188.67.245.77
Older page: version 8 Last edited on March 15, 2023 3:57 am. by 188.67.245.77
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 The Leslie lower bearing used to be NTN 6200-LB at least on many two-speed Leslie models. 
-(McMasterCarr 5972K41 ?) (10 mm bore, 30 mm diameter, 9 mm thick, non-rubbing rubber seals). 
+(McMasterCarr 5972K41 ?) (10 mm bore, 30 mm diameter, 9 mm thick, non-rubbing rubber seals). The original bearing is no longer available from NTN
  
-The original bearing is no longer available from NTN. The replacement is NTN 6200-RZ, which has one rubber and one steel seal.  
-  
- As those bearings are difficult to find , the 6200-Z or 6200-2Z will work, also on a Tallboy Leslies (31A, 31H, 31W). The Z models have non-rubbing steel shields. Avoid 6200-2RS, as it has rubbing rubber seals, which sometimes causes too much friction, especially when a motor controller (to convert single speed Leslie to dual speed) is used. 
+As replacements , types 6200-Z or 6200-2Z (for example from SKF) will work, also on a Tallboy Leslies (31A, 31H, 31W). The Z models have non-rubbing steel shields. Avoid 6200-2RS, as it has rubbing rubber seals, which sometimes causes too much friction, especially when a motor controller (to convert single speed Leslie to dual speed) is used. 
  
 The lower rotor bearing should include a 5/16 washer in between the wooden rotor and the bearing. 
  
  
 The upper bearing used to be ''MRC 35FF'' (5 mm bore, 19 mm diameter, 6 mm thick, two shields). SKF 635-2Z is equivalent. Again, you want to get one without rubbing seals! 
  
 On a [Leslie710], you can replace both bearings with ball bearings from FAG. Type 6200.2RSR. Ball bearings are standardized industry parts, so a second source type is no problem at all. 
 - Steffan Diedrichsen - 

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