BOLTTE Polyurethane Spider Coupling Inserts - GS, GR and XL Series
BOLTTE polyurethane spider coupling inserts provide a replaceable resilient element for compatible jaw coupling hubs. The listed selection covers GS solid inserts, GR hollow inserts and XL series inserts.
Model range
- GS09 through GS48 solid inserts with listed outside diameters from 20 to 105 mm.
- GR09 through GR55 hollow inserts with listed outside diameters from 20 to 120 mm.
- XL0 through XL10 inserts with listed outside diameters from 30 to 200 mm.
GS, GR or XL spider: identify the replacement element
These are polyurethane coupling inserts, not complete hub-and-insert assemblies. Match the series and geometry to the installed hubs before comparing outside diameter.
| Selection detail | What to check |
|---|---|
| GS solid inserts | Use the full GS model and dimensions for the existing coupling. |
| GR hollow inserts | Do not substitute solely because the outside diameter matches a GS insert. |
| XL inserts | Confirm the XL hub geometry and selected size separately from GS/GR families. |
Does a matching outside diameter guarantee fit?
No. Tooth/jaw profile, thickness and hub geometry must also match. Confirm material and operating requirements if hardness or a specific performance grade is important.
Related selection references
Compare the drawings and intended function; these references are not a statement of direct interchangeability.
Ordering notes
- Select the exact series, model, outside diameter and solid or hollow configuration shown in the option name.
- Confirm the matching hub jaw geometry and existing insert dimensions before ordering.
- Confirm torque, speed, operating temperature, start-stop frequency and service environment for the intended application.
All dimensions in the model names are in millimetres. Verify compatibility against the actual coupling before installation.
Product Details and Technical Reference
