Double Plain Linear Bearing DFP12C 3/4" Square Flanged End Mount, CompensatedExtended Plain Linear Bearing with a 3 4" ID in a square flanged aluminum housing (end mount). The ID has a compensated running clearance and features a unique self lubricating FrelonGold lining for maintenance free linear, rotational or oscillating motion in harsh conditions like extreme heat, dirt, and vibration. Extended Size Housing With Bearing Included Inch Series Diameters Square Flange End Mount Closed Shell Compensated ID running clearance