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Ubunzulu beBhola yeGroove
Iibhodi zebhola ze-groove ezinzulu zisetyenziswa ngokubanzi kumashishini amaninzi amashumi eminyaka. I-groove enzulu yenziwa kwiring nganye yangaphakathi nangaphandle yeebheringi ezibenza bakwazi ukugcina imithwalo ye-radial kunye ne-axial okanye indibaniselwano yazo zombini. Njengomzi-mveliso ophethe ibhola onzulu, i-KGG Bearings inamava amaninzi ekuyileni nasekuveliseni olu hlobo lokuthwala.