ManufacturerKTR
GS 12
KTR ROTEX GS size 12 - catalogue torque, bore, speed and dimensional data for industrial drive selection.
Engineering identity
GS 12 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 12 |
| Nominal torque TKN (98 ShA) | 9 Nm |
| Maximum finished bore | 12 mm |
| Maximum speed (Hub 1.0) | 28000 rpm |
| Hub material | Aluminium |
| Outside diameter D_H | 25 mm |
| Overall length L | 34 mm |
| Setscrew size | M4 |
| Setscrew tightening torque T_A | 1.5 Nm |
Misalignment limits
Values follow catalogue table data. Confirm duty speed and spider selection against application requirements.
| Misalignment limit | Value |
|---|---|
| Axial shift | +0.9 / -0.4 |
| Radial offset | 0.08 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 |
|---|---|---|---|---|
| 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
- Alternate hub Type speeds tabulated at 20000 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 12. 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.