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self aligning return roller for belt conveyor 1

CEMA B Self-Aligning Return Idlers - 4 amp 5 Diameter. Misaligned belts contact side roller, idler pivots and centers belt. Concave shaped side guide rollers keep traction on belting. Compared to steel rollers, urethane side guide rollers are less abusive on belting. SpinGuard Seal Technology for bullet-proof bearing protection.