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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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Alpine Bearing-JC-Graziano lathe bearings
JC from Alpine bearing just called me..the gentleman who was looking
for the bearings for the Graziano lathe (?) gave him an email addy that doesnt work and he was unable to forward on the pricing. The bearings are as follows. (1) 110055/110100 $372.50 (1) 130069x/130120h $850 He can get them significantly less expensive, but the cheaper ones will not be available until September, for some reason. Bearings are Gamet, and will be imported from Europe. Ive also asked him if an equivelent set of angular contact bearings are available for replacement, and he indicated most likely, but he would need the dimensions. They would be far far less expensive than the hollow tapered roller bearings. Gunner "Pax Americana is a philosophy. Hardly an empire. Making sure other people play nice and dont kill each other (and us) off in job lots is hardly empire building, particularly when you give them self determination under "play nice" rules. Think of it as having your older brother knock the **** out of you for torturing the cat." Gunner |
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I wonder what the reasoning is to spec hollow tapered roller bearings?
- - Rex Burkheimer WM Automotive Fort Worth TX Gunner wrote: JC from Alpine bearing just called me..the gentleman who was looking for the bearings for the Graziano lathe (?) gave him an email addy that doesnt work and he was unable to forward on the pricing. The bearings are as follows. (1) 110055/110100 $372.50 (1) 130069x/130120h $850 He can get them significantly less expensive, but the cheaper ones will not be available until September, for some reason. Bearings are Gamet, and will be imported from Europe. Ive also asked him if an equivelent set of angular contact bearings are available for replacement, and he indicated most likely, but he would need the dimensions. They would be far far less expensive than the hollow tapered roller bearings. Gunner "Pax Americana is a philosophy. Hardly an empire. Making sure other people play nice and dont kill each other (and us) off in job lots is hardly empire building, particularly when you give them self determination under "play nice" rules. Think of it as having your older brother knock the **** out of you for torturing the cat." Gunner |
#3
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In article , Rex B says...
I wonder what the reasoning is to spec hollow tapered roller bearings? Makes the lathe lighter. Hard core folks fill the hollow in the bearing with helium. g Jim -- ================================================== please reply to: JRR(zero) at pkmfgvm4 (dot) vnet (dot) ibm (dot) com ================================================== |
#4
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"Gunner" wrote in message ... JC from Alpine bearing just called me..the gentleman who was looking for the bearings for the Graziano lathe (?) gave him an email addy that doesnt work and he was unable to forward on the pricing. The bearings are as follows. (1) 110055/110100 $372.50 (1) 130069x/130120h $850 He can get them significantly less expensive, but the cheaper ones will not be available until September, for some reason. Bearings are Gamet, and will be imported from Europe. Ive also asked him if an equivelent set of angular contact bearings are available for replacement, and he indicated most likely, but he would need the dimensions. They would be far far less expensive than the hollow tapered roller bearings. Gunner Thanks, Gunner. That was no gentleman, that was me! g I gave him the right addy, but he could have gotten it confused. It's easy enough to do. You were right, his price is better, although still not a bargain. Considering the proper bearing is rated @ 6,900 RPM, and the spindle of the Graziano is restricted to 2,000 RPM, I can't see that the hollow bearing would be a necessity. Could be angular bearings would serve just as well. To be very honest, I hadn't considered that. I'll get back to him, and perhaps wait until the more reasonably priced bearings are available. I'm in no hurry. Harold |
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jim rozen wrote:
In article , Rex B says... I wonder what the reasoning is to spec hollow tapered roller bearings? Makes the lathe lighter. Hard core folks fill the hollow in the bearing with helium. Even better is a hard vacuum. Plus sound doesn't travel in a vacuum and the lathe runs quieter. |
#6
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In article , Jim Stewart says...
Even better is a hard vacuum. Plus sound doesn't travel in a vacuum and the lathe runs quieter. What?? Jim -- ================================================== please reply to: JRR(zero) at pkmfgvm4 (dot) vnet (dot) ibm (dot) com ================================================== |
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