Needle Roller Bearing Bearing Industry Number 121616 Bearing Design RCB Bore Diameter 3/4 in Cage Material Thermoplastic Closure Open Full Complement No Lubricant Material Grease Oil Maximum Speed 12 000 RPM Maximum Temperature 200 Degrees F Minimum Temperature -22 Degrees F Needle Bearing Type Drawn Cup Roller Clutch Number of Rows Three Outside Diameter 1 in Overall Width 1 in Ring Material Alloy Steel Roller Material Alloy Steel Seal Type Not Applicable