Base mounted end suction bell gossett series 1510 pumps are available in 1 1 4 through 8 sizes 1 2 hp to 150 hp at 1750 rpm and 2 hp through 150 hp at 3500 rpm. 186861lf bell gossett seal kit for series 1510 1531 pumps with 1 1 4 shafts. Deluxe kits for the frame mounted 1510 model includes the inboard and outboard bearings.