637 (Type 1) Porter Cable Reciprocating Saw - Overview

This is an authentic replacement part manufactured for use with Murray riding lawnmowers. The idler pulley is used to provide tension on the traction drive belt. This idler pulley is available as an individual replacement part, please see model diagram for associative parts.

This Allen wrench is a genuine OEM replacement part. Made of durable metal, this item was designed for a wide range of DeWALT tools and engines with a variety of different applications. This metric size Allen wrench is sold as an individual replacement part.

This Ball Bearing has metal shielding on both sides. This is a genuine Porter Cable replacement part that is sold individually. • Ball bearings are used to reduce friction between rotating parts. The balls or rollers take the load and spin, distributing the weight evenly while the minimal contact area of the ball reduces friction. This ...Read morereduces wear on the tool and allows it to run smoothly. • Bearings experience constant wear when the tool is in operation from pressure, heat, vibration and friction. Because of this, many Bearings need periodic maintenance or replacement.