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HMI Panels and PLC Modules: What They Do and How to Match a Replacement
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Rexnord Thomas 018744 Series 71 size 150 disc coupling center member assembly, 4.38 in C dimension. Includes center member, disc packs, adapters and hardware.
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| MFR / Brand | Rexnord |
|---|---|
| MPN | 018744 |
| GTIN | 698210857943 |
| Model | CMSA-SR71-150-4.38 |
| Condition | New – Open box |
|---|---|
| Type | Disc Coupling Center Member Assembly |
| Industry Terms | center member assembly, spacer disc coupling, Thomas coupling, drop-out spacer |
| Common Misspellings | Rexnord 18744, SR71 150 center member, Thomas 71 150 spacer |
| Application Types | Pumps, compressors, fans, blowers |
| Mpn Variants | 018744, 18744, CMSA-SR71-150-4.38, CMSA SR71 150 4.38, 150.S71.CMBRA |
| Additional Attributes | Coupling Size: 150; C Dimension: 4.38 in; Size 150 SR71 Max Continuous Torque: 105 Nm; Size 150 SR71 Peak Overload Torque: 210 Nm; Size 150 SR71 Max Speed: 9,000 rpm not balanced, 20,800 rpm balanced; Axial Capacity: +/-0.127 mm; Includes: center member, disc packs, adapters, disc pack hardware; Disc Pack: DPK SR71 150 316 |
| Series | Thomas Series 71 |
Rexnord Thomas 018744 is a center member assembly for a Thomas Series 71 (SR71) size 150 spacer-style flexible disc coupling, with a 4.38 in shaft-end gap (C dimension). The assembly carries the center member, disc packs, adapters and disc pack hardware as one pre-assembled package that drops in between the two hubs.
018744 — Rexnord part number for this center member assembly.
CMSA — center member sub-assembly.
SR71 — Thomas Series 71 spacer disc coupling, six-bolt style.
150 — coupling size 150.
4.38 — C dimension, the distance between shaft ends, 4.38 in.
Coupling Size: 150. Series: Thomas Series 71. C Dimension: 4.38 in. Size 150 SR71 Max Continuous Torque: 105 Nm. Size 150 SR71 Peak Overload Torque: 210 Nm. Size 150 SR71 Max Speed: 9,000 rpm not balanced; 20,800 rpm balanced. Axial Capacity: ±0.127 mm. The all-metal disc design is torsionally rigid and runs without lubrication. The unitized, piloted center member gives repeatable balance on reassembly, which suits pumps, compressors, fans and blowers.
Unit Quantity: 1 Pc. One center member assembly; hubs are separate items.
Fits Thomas Series 71 size 150 hubs set at a 4.38 in shaft gap. Replacement disc pack for this size: Rexnord DPK SR71 150 316 (10029157). GTIN: 698210857943.
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