OEM‑compatible Roller Bearing (0509022100) for Simba M4C, Boltec S10M, Boomer M2D, Boltec S, Boomer T1D, Simba M40S, Boomer XE3C, Boomer 291, Simba H1354, Boomer 281, Simba S7D, Boltec 235, Boltec-MC, Boomer L2D, Boomer S2, Boomer 282, Boomer M2C, Boomer-MD, COP-RR11, COP-RR14, COP-SC25, and Boomer S1D drilling equipment. Made from hardened steel, this wear/bearing spare part supports radial loads and enables smooth rotation in hydraulic breaker and rock drill systems, ensuring reliable and efficient operation.