Tensioner Pulley, timing belt - VKM 78004 SKF
Tensioner Pulley, timing belt - VKM 78004 SKF
- Part Number: VKM 78004
- Brand: SKF
- Type: Tensioner Pulley, timing belt
A SKF brand Tensioner Pulley, timing belt is a part of the timing belt drive, which serves to bypass the belt in a certain place or several places and is a freely rotating pulley of small diameter.
The composition of the roller is small: it is the roller mount, the internal rolling bearing with a protective oil seal, and the working body of the roller itself, which is in contact with the belt.
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The principles of the timing belt tensioner work
Excessive tension leads to intensive wear of the timing parts - pulley bearings (water pump, generator, tensioner, etc.), the belt itself, and others. In addition, a tight belt stretches faster and shortens its service life. Too little preload is fraught with more serious problems - slipping of the belt along the toothed pulleys of the camshafts, which leads to a violation of the valve timing and deterioration of the entire engine.
Therefore, a tensioning device is introduced into the timing drive in the form of rollers of one design or another, which, during engine operation, maintain an optimal belt tension.
Diameter [mm] | 57,4 |
Width [mm] | 19 |
Tensioner Pulley Actuation | Manual |
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Buyers of our store have the right to exchange or return the goods purchased from us within the first 60 days after purchase.
Please note - exchange or refund is only due to a new product that has not been in use and has no signs of use: scratches, chips, rubs, etc.
And also should be saved:
- Complete set of goods;
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