Precision bearings according to ISO grading standards are divided into: P0, P6, P5, P4, P2. Rank higher in turn, where P0 is the general accuracy, other grades are precision level. Of course, different classification standards, different types of bearings, their classification method somewhat different, but the meaning is to the. The use of performance requirements of precision bearings rotating body with high runout accuracy, high-speed rotation and small changes in friction and friction.
2013年7月24日星期三
The role of the clutch release bearing
clutch bearing installed between the clutch inside the transmission, the separation of the transmission bearing loose bearing cap tubular first shaft extension, through the return spring release bearing against the shoulder always release fork, and retreat into the final position with the separation lever to maintain a gap of about 2.5mm. The clutch plate, release lever synchronous operation with the engine crankshaft, while the clutch release fork along the output shaft can move axially to dial directly release fork lever is clearly not isolated, separated by separating the bearing allows the clutch lever while rotating an edge axial movement of the output shaft, thereby ensuring smooth clutch engagement can be separated and soft, reduce wear and extend clutch life and the entire drive train.
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