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Fahad
Commentator

Join Date: Sep 2009
Location: Saudi Arabia
Posts: 74

Hyundai Vertical Motor

04/14/2010 2:08 AM

Dear All,

We have Hyundai Motor position is vertical speed is 3600rpm, 250kw, using antifriction bearing DE # 6218 C3, NDE # 7218A. one of the bearing got seized and damaged (DE side) we are going to sleeve the housing but I would like to know what is the required interference fit between bearing to housing and bearing to shaft for both bearings. your advice is highly appreciated
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Kaisan
Power-User

Join Date: Nov 2009
Posts: 296
Good Answers: 27
#1

Re: Hyundai Vertical Motor

04/14/2010 4:33 AM
Shaft and housing tolerances
Shaft tolerances and resulting fits
Tolerance e7, f5, f6, g5, g6
Tolerance h5, h6, h8, h9, j5
Tolerance j6, js5, js6, js7, k4
Tolerance k5, k6, m5, m6, n5
Tolerance n6, p6, p7, r6, r7, s6, s7
Calculations and graphics presentation
Housing tolerances and resulting fits
Tolerance F7, G6, G7, H5, H6
Tolerance H7, H8, H9, H10, J6
Tolerance J7, JS5, JS6, JS7, K5
Tolerance K6, K7, M5, M6, M76
Tolerance N6, N7, P6, P7
Calculations and graphics presentation
Fits for inch bearings
Modified shaft diameter deviations g6, h6, j5, js5, k5
Modified shaft diameter deviations k6, m5, m6, n6, p6
Modified housing bore diameter deviations H7, J7, J6, K6, K7
Modified housing bore diameter deviations M6, M7, N7, P7

Or possibly easier, go here and in the space at top left that says "Product Search" type 6218 (or anything else you fancy) then press OK. Follow the instructions and all will be revealed.

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Fahad
Commentator

Join Date: Sep 2009
Location: Saudi Arabia
Posts: 74
#2
In reply to #1

Re: Hyundai Vertical Motor

04/14/2010 4:41 AM

thanks for you, i have try it but i could not get required fit, if any body could help in this regard.
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nesubra
Guru

Join Date: Nov 2006
Posts: 729
Good Answers: 2
#3

Re: Hyundai Vertical Motor

04/14/2010 9:12 AM

Bearings are tricky issues particularly when it is a vertical motor.Pl check with bearing manufacturers and get their help.SKF normally lend a good hand when such problems are taken to them

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PWSlack
Guru
United Kingdom - Member - Indeterminate Engineering Fields - Control Engineering - New Member

Join Date: Jan 2007
Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on.
Posts: 32175
Good Answers: 839
#4

Re: Hyundai Vertical Motor

04/14/2010 11:13 AM

Why can't Hyundai help directly?

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