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