Comparison : Item # P4KFS428, RBC Airframe Bearing - P Series
Item # P4KFS464, RBC Airframe Bearing - P Series
Item # PD5KFS428, RBC Airframe Bearing - P Series
Item # PD5KFS464, RBC Airframe Bearing - P Series
Item # P10KFS428, RBC Airframe Bearing - P Series