Description Hex bore bearing 1 1/4" used on JD Round Balers Models 466, 566, 456, 556, 467, 567, 457, 557, 447, 547, 572, 582, 592, 448, 548, 458S, 558, 468, 568 middle tension arm roller. Replaces AE53290. This item is a suitable alternative for the following: 321-HPC103TTPAN, HPC103TPA, SBX10A05C3, AE53290, SBX10A05LLSC3/L1#01, SBX10A05LLSC3/L103Q1, 851-HPC103TTPAN, 321-SBX10A05LLSC3, 210PP7, 210PP20