Looking for the best place to buy bearings for a Porter Cable 6902 router serial# 487677. Big bottom bearing is NTN 6202 LH and I am having a hard time finding that exact one. The LH suffix might be have replaced by LLH which is a low torque rubber seal from what I can see. The Small top one is NTN 608Z. I was looking for place the carries those in single quantities online. Anyone purchased these recently and have recommendations?
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Replies
I'm fortunate to have a commercial store in my local that sells bearings. Surely, this is not the only town that has one. Do a search of your area to see if you have one. If so, take the bearing to them and they will match it regardless of what machine it comes out of.
Fortunately for you it's a bearing. The story told to me by my repairman who's shop was in the same area as Porter Cable's parts warehouse, was that when Stanley B&D purchased PC they emptied the entire stock of parts and took them to the dump. You know - trouble repairing you PC tool? Buy a Dewalt!
The beginning of the Rockwell manufacturing empire began when Willard Rockwell invented a better bearing. Timken bearings was a Rockwell company. Eventually anything that rolled had a Rockwell part ! So they bought everything else! One would think that the bearings in their machines used bearings that they already made. I've used Bearings Inc. They stock millions of bearings.
Amazon, WW grainger, or Timken should have it.
Surplus Center is where I get all of my bearings.
When I needed a new bearing for my small Bosch router, I took the old one to my bearing supply shop and told them the RPM and they sold me an expensive fully sealed equivalent that has worked really well. It cost me NZD 14 (about USD 9) for an upgrade.
As long as the bearing has the same sizes and speed rating, and is dust sealed it should be fine.
If you type in "NTN 608Z" as the website address you want to go to or use google search, you'll find a bunch of them for sale individually.
The NTN catalog A1000 should give you some good info. If you want help picking a bearing, let me know your max rpm. LLH is not as common as the LLB which is a non-contact seal and should work. You need LLB as LB designates a single seal. The top bearing should be 608ZZ, which indicates metal shields on both sides. I show 608ZZ is good to 37,000 rpm and 6204LLB is good to 18,000rpm. NTN is a tier 1 brand and its best to stick with tier 1 like them or SKF.