| 21. | The leading and trailing wheels were fitted with roller bearings.
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| 22. | Heavy-duty roller bearing are housed in a removable bearing cartridge.
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| 23. | Toroidal roller bearings were introduced in 1995 by SKF as " CARB bearings ".
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| 24. | Others will add roller bearings for the main pivot also.
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| 25. | The bogies were of the G�rlitz III type, the wheelsets ran on roller bearings.
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| 26. | It featured needle roller bearings at the base and knuckle.
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| 27. | Roller bearings on the new trucks alleviated the overheating problem.
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| 28. | The fuel was used to cool rear roller bearing, which also preheated the fuel.
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| 29. | While roller cam followers are similar to roller bearings, there are quite a few differences.
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| 30. | This system comprises multiple removable radial gliding pads in combination with an axial roller bearing.
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