| 31. | Today ball and roller bearings are used in many applications which include a rotating component.
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| 32. | Standard mild steel bogies ran on Timken roller bearings.
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| 33. | The other sixteen were built as the Pmr class with roller bearings on all axles.
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| 34. | The p constant now had values of 4 for ball and 5 for roller bearings.
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| 35. | The propellor shaft is now provided with needle-roller bearings.
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| 36. | It featured several modern features for a steam locomotive, including easier to maintain roller bearings.
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| 37. | The platform will be on cylindrical rollers bearing on rails, with soap as a lubricant.
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| 38. | Some UK steam locomotives also used roller bearings.
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| 39. | Tapered roller bearings are commonly used for moderate speed, heavy duty applications where durability is required.
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| 40. | Modern locomotives with roller bearings were probably underestimated.
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