NTN 626ZZ bearing
POM is more durable than nylon
outside diameter is 35mm

Fuyang Zijie Sports Oars Co., Ltd. (China) specializes in producing carbon oars & paddles like Sculling Oars, Sweep Oars, Surf Paddles, Outrigger Paddles, Kayak Paddles, Canoe Paddles, Dragon Boat Oars, Sea Kayak Oars and related accessories for Rowing Boats, Racing Kayaks and Canoes.