1) Housings in SUS 304. 2) Inserts: Rings & balls in 440c. Slinger & frame: 321. 4) With food grease & silicon rubber seal 1.More specifications1) Housings in SUS 304.2) Inserts: Rings & balls in 440c. Slinger & frame: 321.3) Set-screw: 3044 Grease nipple: 3024) Insert bearing with food grease and silicon rubber seal(standard)2.Advantages of the LDK Stainless steel mounted units1)manufactured ...