Needle Roller Bearing Bearing Industry Number 121610 Bearing Design RC 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 One Outside Diameter 1 in Overall Width 0.625 in Ring Material Alloy Steel Roller Material Alloy Steel Seal Type Not Applicable