PBC Linear FM30 Standard Linear Bearing, 30 mm Inside Dia, 68 mm Lg, Frelon Gold, Precision 907711 We recommend using hones with We recommend using hones with honing oil to keep the abrasive free of debris LED under cabinet lights typically last longer than fluorescent lights and use less energy to reduce operating costs Inside Diameter Tolerance +0 Range 0 Degrees to 400 Degrees F For Use With Linear Motion Shafts Between Grooves (mm) 48 Accelerated Speed 14 Feet Second Self Alignment Yes Liner Frelon(TM) Gold Color Blue Bearing Type Closed Lubrication Self Lubricating Maximum Operating Temperature 400 Degrees F Series FM Static Load Capacity (N) 4