1439 slotWide slot take up ball or roller bearing. Bolt Diameter (F) 1116. Bolt hole spacing 412.750 mm. Bore size 76.200 mm. Frame type Wide slot standard duty.Wide slot take up ball or roller bearing. Bolt Diameter (F) 1116. Bolt hole spacing 412.750 mm. Bore size 76.200 mm. Frame type Wide slot standard duty.