Needle Roller Thrust Bearing Bearing Industry Number 2840 Bearing Design NTA TC Bore Diameter 1 3/4 in Cage Material Alloy Steel Compatible Washer TRA-2840 TRB-2840 TRC-2840 TRD-2840 TRF-2840 Lubricant Material Oil Maximum Speed 6 700 RPM Maximum Temperature 250 Degrees F Minimum Temperature -5 Degrees F Outside Diameter 2 1/2 in Overall Width 0.078 in Roller Material Alloy Steel System of Measurement Inch Thrust Bearing Type Thrust Needle Roller and Cage Assembly