Needle Roller Bearing, Bearing Industry Number 1210, Bearing Design J, Bore Diameter 3/4 in, Cage Material Steel, Closure Open, Compatible Ring Grainger Part Number 779KF7, Compatible Ring Manufacturer Part Number IR-812, Full Complement No, Lubricant Material Grease, Oil, Maximum Speed 11,000 RPM Grease, 18,000 RPM Oil, 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