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Rexnord Thomas Disc Couplings
Partner brands: Rexnord
Rexnord Thomas Disc Couplings are engineered for critical rotating equipment, combining high torsional stiffness with the ability to compensate for misalignment. Their all-metal, maintenance-free design—with no internal moving parts or need for lubrication—makes them ideal for continuous operation in compressors, pumps, turbines, and other high-speed machinery.
- Sizes: More than 25 standard sizes.
- Models: 13 models for high torque, speed or general use.
- Bore capacity: Varies by hub and model; available for standard and large-diameter shafts.
- Torque capacity: From 1.1 lb-in to high-torque industrial applications (depending on model).
- RPM capacity: Up to 36,000 RPM.
- Factory-balanced for high-speed operation.
- Suitable for harsh industrial environments.
- Models available with API 610 / 671 and ISO standards.
- Backlash-free design.
- XTSR Series: Compact and modular.
XTSR52: Short span, ideal for tight spaces.
XTSR71: Standard spacer model.
XTSRGA: API-compliant, high-capacity version.
XTSRLS: Extended length for greater shaft separation.
XTSRS: Low-profile design for space-constrained setups. - AMR and CMR: Heavy-duty applications.
AMR: High torque with precise alignment requirements.
CMR: Compact and rugged for limited-space installations. - Series 54 – Maintenance-free alternative to gear or grid couplings.
S54RD / S54RDG. - DBZ: General-purpose for high torque and speed.
DBZ: Compact configuration.
DBZ-A: Designed for tapered bores and extended spans.
DBZ-B: Maximum shaft-to-shaft spacing. - Legacy Series: Proven field reliability.
S52 / S71 / S71-8. - Thomas Miniature Couplings (Style C): Precision for low-power applications.
CC: Compact, for standard shafts.
CA: For one oversized shaft.
CB: For both shafts oversized.
CBC: With integrated clamping hubs.
