OEM‑compatible Ball Bearing (0501001900) for FlexiROC D65, Simba M4C, Simba E70, ROC L6, Boltec S10M, Simba E7C, Simba M40S, ROC L8, Boomer 291, Simba H1354, Boomer 281, Simba S7D, Boltec-MC, Boomer S2, Boomer-282, Boomer-M2C, Boomer-MD, ROC F6-DTH, PowerRoc-D55, ROC-D7, ROC-D9-11, ROC-F6, and Boomer S1D drilling equipment. Made from hardened steel, this wear/bearing spare part reduces friction and supports rotating loads in hydraulic breaker and rock drill systems, ensuring smooth and reliable operation in mining and heavy-duty drilling equipment.