Auto Parts Size 39×118 Shaft Universal Joint For Turck
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A u-joint, or universal joint, is a component that connects the driveshaft to the differential, and sometimes joins the driveshaft to the transmission or two driveshafts to each other. It’s a cross-shaped piece with a bearing at each end that allows for lateral and side-to-side movement of the driveshaft.
U joint function of the u-joint assembly
1).safety factor of static torsion strength:≥2.0
2).torsional fatigue life: ≥1.5×105 cycle index.
3).wearing life: ≥60h.
U joint heat treatment:
2).inner hardness:25-45HRC or 38-48HRC(20CrMnTi)
U joint bearing cap:
2).the depth of the effective hardened layer:0.3~0.7mm.
What is it?
A u-joint, or universal joint, is a component that connects the driveshaft to the differential, and sometimes connects the driveshaft to the transmission or two driveshafts to each other. It’s a cross shaped piece with a bearing at each end, that allows for lateral and side to side movement of the driveshaft.
What does it do?
A u-joint allows for slight positions changed between the driveshaft, transmission, and differential. In other words; the driveshaft connects the transmission to the differential, but it can’t be a static, solid connection. Since the differential moves independently from the rest of the vehicle over terrain, the transmission and differential don’t stay perfectly aligned with one another at all times. The u-joint compensates for motion, keeping the driveshaft connected and spinning freely.