ManufacturerKTR
GS 7
KTR ROTEX GS size 7 - catalogue torque, bore, speed and dimensional data for industrial drive selection.
Engineering identity
GS 7 is a KTR ROTEX GS backlash-free jaw coupling size in the standard catalogue range. Hub material: Aluminium. Catalogue reference pages: 128, 118.
Key specifications
| Parameter | Value |
|---|---|
| Designation | GS 7 |
| Nominal torque TKN (98 ShA) | 2 Nm |
| Maximum finished bore | 7 mm |
| Maximum speed (Hub 1.0) | 38000 rpm |
| Hub material | Aluminium |
| Outside diameter D_H | 14 mm |
| Overall length L | 22 mm |
| Setscrew size | M3 |
| Setscrew tightening torque T_A | 0.6 Nm |
| Torsional stiffness | 154 Nm/rad (92 ShA spider) |
| Weight | 0.001 kg (spider only) |
Misalignment limits
Values follow catalogue table data. Confirm duty speed and spider selection against application requirements.
| Misalignment limit | Value |
|---|---|
| Axial shift | +0.6 / -0.3 |
| Radial offset | 0.04 mm (64 ShD spider basis per catalogue note) |
| Angular offset | 0.8 deg (64 ShD spider basis per catalogue note) |
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 |
|---|---|---|---|---|
| 80 ShA-GS | 80 Shore A | Polyurethane | -50 C to +80 C | Exceptional vibration damping; ideal for electrical measuring systems. |
| 92 ShA-GS | 92 Shore A | Polyurethane | -40 C to +90 C | Standard automation, control systems, and main spindle drives. |
| 98 ShA-GS | 98 Shore A | Polyurethane | -30 C to +90 C | Standard high-dynamic positioning drives and machine spindles. |
| 64 ShD-H-GS | 64 Shore D | Hytrel | -50 C to +120 C | Designed for planetary gears and backlash-free gear drives. |
Catalogue notes
- Misalignment offsets in extract B are stated for 64 ShD spider, not 98 ShA-GS.
- 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.
Request an Engineering Quote
Share shaft bore, speed, torque duty and ordering designation for GS 7. 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.