SealMaster Gold Line NPD-28 2-Bolt Pillow Block Bearing

SealMaster Gold Line NPD-28 is a non-expansion, two-bolt pillow block bearing with a 1.75-inch (1-3/4 in) straight bore, designed for fixed mounting in standard-duty applications. Housed in a gray cast-iron shell, it uses a 52100 bearing steel insert with a replaceable PN-28 insert and is secured by dual setscrews, finished with a black oxide coating for durability. The unit is relubricatable and ships with lithium complex NLGI 2 grease, featuring a felt labyrinth seal to help keep contaminants out, with a maximum operating temperature of 220 °F and a top speed rating of 3,800 rpm. Overall, the assembly measures 7.5 inches in length and 4.25 inches in height, with a base width of 2.125 inches and bolt center distances from 5.438 to 6.063 inches; bolt size is 1/2 inch in a two-bolt base configuration.