![[HK-HBB87ASSY] HARKEN Roller Cage Assembly - 100 mm Black Magic Block](http://www.yachtparts.com.au/cdn/shop/files/HBB87ASSY_1024x1024.webp?v=1759985891)
![[HK-HBB87ASSY] HARKEN Roller Cage Assembly - 100 mm Black Magic Block](http://www.yachtparts.com.au/cdn/shop/files/HBB87ASSY_480x480.webp?v=1759985891)
Center cage keeps Torlon® roller bearings separated and parallel to reduce friction.
Center cage keeps Torlon® roller bearings separated and parallel to reduce friction.