Industrial MP-16 Pillow Block Bearing

Sealmaster MP-16 MP Series Medium-Duty Pillow Block Bearing is a 1 in bore, two-bolt mounted ball bearing unit built around a cast‑iron housing. The insert uses 52100 bearing steel with a black oxide finish and is secured by 120°‑spaced setscrews with diamond‑faceted faces for precise locking, complemented by Sealmaster’s land‑riding retainer that promotes 360° grease circulation around the rolling elements. A felt labyrinth seal provides basic contamination control while allowing lubrication to flow, and the housing features a powder‑coated epoxy finish for durability. The MP‑16 is designed to be dimensionally interchangeable with many competitive pillow blocks and incorporates a lock pin and dimple for direct lubrication and anti‑rotation. Mounting geometry specifies a two‑bolt base with bolt centers of 4-3/16 to 5-3/16 in, base‑to‑bore centerline of 1-3/4 in, and overall length and height of 6-1/4 in and 3-7/16 in respectively, defining its compact footprint for mid‑duty installations.