INA BK1516 Needle Roller Bearing, Steel Cage, Closed End, Open, Metric, 15mm ID, 21mm OD, 16mm Width, 16000rpm Maximum Rotational Speed, 3250lbf Static Load Capacity, 2360lbf Dynamic Load Capacity INA HK1512AS1 Needle Roller Bearing, Caged Drawn Cup, Outer Ring and Roller, Steel Cage, Open End, Oil Hole, Metric, 15mm ID, 21mm OD, 12mm Width, 16000rpm Maximum Rotational Speed INA SCE1210 Needle Roller Bearing, Caged Drawn Cup, Steel Cage, Open End, Inch, 3/4 ID, 1 OD, 5/8 Width, 14700rpm Maximum Rotational Speed, 3950lbf Static Load Capacity, 2850lbf Dynamic Load Capaci INA SCE1212PP Needle Roller Bearing, Caged Drawn Cup, Steel Cage, Open End, Double Sealed, Inch, 3/4 ID, 1 OD, 3/4 Width, 10000rpm Maximum Rotational Speed, 3950lbf Static Load Capacity, 2850lbf Dy