hat
bi yo ki pi popilè ak tèt alignement woulo bi sont hanm pou de ligne ak tèt alignement bi yo boul, li gen ladann nan yon sèl gwo bag ki te gen yon gwo ipodwòm chan de kous Groove esferik, yon sèl anndan bag ki gen genyen siyon doub, de kouche boul ak de kaj. merit a nan bi sa yo se fonksyon pwòp alignement ki ta ka akomode UN an nan de rach yo ak arbr koube déplacement. Men, maksimòm devyasyon a ang akseptab ant aks la nan bag enteryè ak aks la nan gwo bag pa ta dwe plis pase 3 degre.
eng
The most popular self-aligning ball bearings are the double row self-aligning ball bearings, it consists of one outer ring that had a large spherical groove raceway, one inner ring that has double grooves, two ball sets and two cages. The merit of these bearings is self-aligning function that could accommodate the misalignment of two axes and shaft bending deflection. But the maximum permissible angle deviation between the axis of inner ring and the axis of outer ring should not be more than 3 degree.