Needle Roller Bearing Bearing Industry Number 1613 Bearing Design JT Bore Diameter 1 in Cage Material Steel Closure Single Sealed Full Complement No Lubricant Material Grease Maximum Speed 7 600 RPM Grease Maximum Temperature 225 Degrees F Minimum Temperature -25 Degrees F Needle Bearing Type Drawn Cup Needle Roller Bearing Number of Rows One Outside Diameter 1 1/4 in Overall Width 0.812 in Ring Material Alloy Steel Roller Material Alloy Steel Seal Type Contact