Needle Roller Thrust Bearing Bearing Industry Number 821 Bearing Design AXK Bore Diameter 8 mm Cage Material Thermoplastics Compatible Washer AS821 Lubricant Material Oil Maximum Speed 18 000 RPM Maximum Temperature 120 Degrees C Minimum Temperature -20 Degrees C Outside Diameter 21 mm Overall Width 2 mm Roller Material Alloy Steel System of Measurement Metric Thrust Bearing Type Thrust Needle Roller and Cage Assembly Dynamic Axial Load Capacity 7 800 N