Supercharger belt idler pulley bearings
#1
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I'm in the process of refitting my supercharger pulley and have the supercharger belt removed. I noticed that the idler pulley (the stationary one, not the tensioner) has around 1-2mm of side to side play if twisted from the pulley edges and when turned freely it sounds like you can hear the ball bearings sloshing around a bit, though it turns very freely.
I have never noticed any noise when the car was actually running. Does the idler bearing need replacement?
I have never noticed any noise when the car was actually running. Does the idler bearing need replacement?
#2
#4
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Thanks guys. I pressed the bearing out an measured it with calipers. This looks like and exact match:
http://www.grainger.com/Grainger/wwg...N=0&sst=subset
It is less than half the cost of repacing the idler pulley/bearing assembly from Jaguar.
http://www.grainger.com/Grainger/wwg...N=0&sst=subset
It is less than half the cost of repacing the idler pulley/bearing assembly from Jaguar.
Last edited by WhiteXKR; 11-15-2010 at 03:29 PM.
#5
#6
#7
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Thanks guys. I pressed the bearing out an measured it with calipers. This looks like and exact match:
http://www.grainger.com/Grainger/wwg...N=0&sst=subset
It is less than half the cost of repacing the idler pulley/bearing assembly from Jaguar.
http://www.grainger.com/Grainger/wwg...N=0&sst=subset
It is less than half the cost of repacing the idler pulley/bearing assembly from Jaguar.
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#8
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Just search for 6303-2RS. SKF, KOYO, Timken and other manufactures use the same part.no. It is a standard one row ball bearing with outside diameter 47 mm, inside diameter 17 mm and with 14 mm.
2RS means it is sealed on both side with rubber. You can also use 6303-2Z that means it is sealed on both side with steel.
2RS means it is sealed on both side with rubber. You can also use 6303-2Z that means it is sealed on both side with steel.
#9
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