Needle Roller Thrust Bearing Bearing Industry Number 3446 Bearing Design NTA TC Bore Diameter 2 1/8 in Cage Material Alloy Steel Compatible Washer TRA-3446 TRB-33446 TRC-3446 TRD-3446 Lubricant Material Oil Maximum Speed 5 800 RPM Maximum Temperature 250 Degrees F Minimum Temperature -5 Degrees F Outside Diameter 2 7/8 in Overall Width 0.078 in Roller Material Alloy Steel System of Measurement Inch Thrust Bearing Type Thrust Needle Roller and Cage Assembly