Needle Roller Thrust Bearing, Bearing Industry Number 2031, Bearing Design NTA, TC, Bore Diameter 1 1/4 in, Cage Material Alloy Steel, Compatible Washer TRA-2031, TRB-2031, TRC-2031, TRD-2031, TRF-2031, Lubricant Material Oil, Maximum Speed 8,600 RPM, Maximum Temperature 248 Degrees F, Minimum Temperature -22 Degrees F, Outside Diameter 1 15/16 in, Overall Width 0.078 in, Roller Material Alloy Steel, System of Measurement Inch, Thrust Bearing Type Thrust Needle Roller and Cage Assembly