高负载直线导轨:
SBI15FLSBI20FL SBI25FL SBI30FL SBI35FL SBI45FL SBI55FLSBI65FL
SBI15SLSBI20SL SBI25SL SBI30SL SBI35SL SBI45SL SBI55SLSBI65SL
SBI20FLLSBI25FLL SBI30FLL SBI35FLL SBI45FLL SBI55FLLSBI65FLL
SBI20SLLSBI25SLL SBI30SLL SBI35SLL SBI45SLL SBI55SLLSBI65SLL