Needle Roller Thrust Bearing Bearing Industry Number 3244 Bearing Design NTA TC Bore Diameter 2 in Cage Material Alloy Steel Compatible Washer TRA-3244 TRB-3244 TRC-3244 TRD-3244 TRF-3244 Lubricant Material Oil Maximum Speed 4 000 RPM Maximum Temperature 250 Degrees F Minimum Temperature -5 Degrees F Outside Diameter 2 3/4 in Overall Width 0.078 in Roller Material Alloy Steel System of Measurement Inch Thrust Bearing Type Axial Needle Roller Bearings