The Design of Rolling Bearing Mountings
The Design of Rolling Bearing Mountings The Design of Rolling Bearing Mountings
Lubrication, sealingWheel bearings are almost exclusively lubricated withgrease. Bearings which have no integrated seals are normallysealed with spring-preloaded shaft seals with specialdust lips. Sealed bearings such as the double-rowangular contact ball bearings with for-life lubrication,which are widespread in passenger cars, normally havea combination of dust shield and seal. Experience hasshown that these seals are satisfactory if the design providesan additional gap-type seal. Collecting groovesand baffles are also required to protect the bearingsagainst dust and splash water.35 Driven and steered front wheel of a front drive passenger carOperating dataWheel load 4,600 N; tyre size 175/70 R14;r dyn = 295 mm; maximum speed 180 km/h.Bearing selectionThe bearing arrangement is made up of a sealed double-rowFAG angular contact ball bearing.The bearing is greased for life with FAG rolling bearinggrease.The bearing arrangement of a driven and non-steeredrear wheel of a rear drive passenger car may also be designedlike this.35: Passenger-car front wheel55 FAG
Driven and non-steered rear wheel36 of a rear drive passenger carOperating dataWheel load 4,800 N; tyre size 195/65 VR15;r dyn = 315 mm; maximum speed 220 km/h.Bearing selectionThe wheel bearing arrangement consists of a doublerowFAG angular contact ball bearing which is greasedfor life.Seals and flinger rings provided on both sides protectthe bearing from contamination.Machining tolerancesThe inner rings and the outer ring of the bearing aretightly fitted.36: Passenger-car rear wheelFAG 56
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- Page 67 and 68: 45Axle box roller bearingsof series
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- Page 73 and 74: 50Axle box roller bearingsaccording
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Driven and non-steered rear wheel36 <strong>of</strong> a rear drive passenger carOperating dataWheel load 4,800 N; tyre size 195/65 VR15;r dyn = 315 mm; maximum speed 220 km/h.<strong>Bearing</strong> selection<strong>The</strong> wheel bearing arrangement consists <strong>of</strong> a doublerowFAG angular contact ball bearing which is greasedfor life.Seals and flinger rings provided on both sides protectthe bearing from contamination.Machining tolerances<strong>The</strong> inner rings and the outer ring <strong>of</strong> the bearing aretightly fitted.36: Passenger-car rear wheelFAG 56
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