SEALMASTER Pillow block unit Setscrew Locking NPL-20R

Overview

This Sealmaster NPL-20R two-bolt low-base pillow block incorporates a standard-duty ball bearing with setscrew locking in a powder-coated epoxy cast iron housing. The 52100 steel insert supports dynamic loads to 19488 N and static loads to 11419 N, with a bore of 1.25 in and maximum speed of 5450 rpm. It includes a felt labyrinth seal and land-riding retainer for effective contaminant exclusion and lubrication distribution, accommodating static misalignment of ±2 degrees.

Features

• Felt labyrinth seal design excludes abrasive particles to sustain performance in particulate-laden atmospheres
• Exclusive lock pin and dimple configuration delivers direct grease access while preventing insert rotation under load
• Land-riding retainer with superior pocket clearance enables 360-degree grease circulation for uniform lubrication and reduced friction
• Zone-hardened inner ring with 120-degree spaced setscrews secures shaft attachment to resist loosening from vibrational forces

Application & Usage

• Compatible with fan assemblies under variable speed conditions
• Ideal for pump housings needing fixed bearing positions
• Used in conveyor systems for stable roller shaft support