- New
Full-Floating Shaft CouplingType SN couplings use a tubular center shaft, fabricated complete by Regal Rexnord. Typical applications include cooling tower fan drives, paper machinery, printing presses, pumps and compressors.Connected shafts should be rigidly supported and long shaft overhang should be avoided. The tubular coupling shaft MUST NOT be supported with a bearing. They may be operated vertically if length does not exceed 36 in.