ManufacturerKTR
GS 48
KTR ROTEX GS size 48 - catalogue torque, bore, speed and dimensional data for industrial drive selection.
Engineering identity
GS 48 is a KTR ROTEX GS backlash-free jaw coupling size in the standard catalogue range. Hub material: Steel. Catalogue reference pages: 128, 118.
Key specifications
| Parameter | Value |
|---|---|
| Designation | GS 48 |
| Nominal torque TKN (98 ShA) | 525 Nm |
| Maximum finished bore | 62 mm |
| Maximum speed (Hub 1.0) | 8000 rpm |
| Hub material | Steel |
| Outside diameter D_H | 105 mm |
| Overall length L | 140 mm |
| Setscrew size | M8 |
| Setscrew tightening torque T_A | 20 Nm |
Misalignment limits
Values follow catalogue table data. Confirm duty speed and spider selection against application requirements.
| Misalignment limit | Value |
|---|---|
| Axial shift | +2.1 / -1.0 |
| Radial offset | 0.16 mm |
| Angular offset | 0.9 deg |
Compatible elastomer spiders
Only spiders with catalogue-compatible size ranges are listed. Part numbers are not tabulated in the available catalogue tables.
| Spider | Hardness | Material | Temperature range | Application characteristics |
|---|---|---|---|---|
| 98 ShA-GS | 98 Shore A | Polyurethane | -30 C to +90 C | Standard high-dynamic positioning drives and machine spindles. |
| 57 ShD-GS | 57 Shore D | Polyurethane | -30 C to +90 C | Spindles with high-rated torques; medium-low damping limits. |
| 64 ShD-GS | 64 Shore D | Polyurethane | -20 C to +110 C | High torsional rigidity; suited for heavy-load AC servo drives. |
| 72 ShD-GS | 72 Shore D | Polyurethane | -20 C to +110 C | High torque/torsional rigidity; for indexing tables. |
Catalogue notes
- Alternate hub Type speeds tabulated at 5000 rpm in extract A.
- Engineering values on this page follow the KTR catalogue tables cited in the specifications section.
- Maximum coupling torque is shown only when explicitly tabulated in the catalogue source.
- Misalignment values follow catalogue notes for 98 ShA-GS spiders at 1,500 rpm unless otherwise stated.
Request an Engineering Quote
Share shaft bore, speed, torque duty and ordering designation for GS 48. Golden Bearing Company supports KTR ROTEX GS selection using catalogue engineering data. Contact us with shaft bore, speed, torque duty and configuration requirements for quotation review.