Needle Roller Bearing Bearing Industry Number 128 Bearing Design B Bore Diameter 3/4 in Cage Material Not Applicable Closure Open Compatible Ring Manufacturer Part Number IR-88 Full Complement Yes Lubricant Material Oil Maximum Speed 5 400 RPM Maximum Temperature 250 Degrees F Minimum Temperature -5 Degrees F Needle Bearing Type Drawn Cup Needle Roller Bearing Number of Rows One Outside Diameter 1 in Overall Width 0.5 in Ring Material Alloy Steel Roller Material Alloy Steel