Needle Roller Thrust Bearing, Bearing Industry Number 1220, Bearing Design NTA, TC, Bore Diameter 3/4 in, Cage Material Alloy Steel, Compatible Washer TRA-1220, TRB-1220, TRC-1220, TRD-1220, TRE-1220, Lubricant Material Oil, Maximum Speed 14,000 RPM, Maximum Temperature 248 Degrees F, Minimum Temperature -22 Degrees F, Outside Diameter 1 1/4 in, Overall Width 0.078 in, Roller Material Alloy Steel, System of Measurement Inch, Thrust Bearing Type Thrust Needle Roller and Cage Assembly