SAE AS21447C
BEARING, ROLLER, NEEDLE, TRACK ROLLER, CROWN RADIUSED OD INTEGRAL STUD, TYPE VII ANTIFRICTION, INCH
standard by SAE International, 10/22/2019
SAE J1476_201910
Parking Brake Structural Integrity Test Procedure Vehicles Over 4500 kg (10 000 lb) GVWR¿¿¿Truck and Bus
standard by SAE International, 10/21/2019