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ANSI B11 KTR Rotex Standard GR GS Spider Coupling Polyurethane Torsional Elastic Element
Place of Origin:China
Brand Name:ECER
Certification:ANSI B11, ASTM D2240
Model Number:GR14-GR125
Minimum Order Quantity:10 Pieces
Price:Negotiable
Payment Terms:T/T, L/C
Supply Ability:5000 Pieces per Month
Product Details
Highlight:
ANSI KTR Rotex Coupling
,GR GS Polyurethane Spider
,Torsional Elastic Coupling
Product Description
ANSI B11 KTR Rotex Standard GR/GS Spider Coupling
Precision-engineered torsional elastic coupling manufactured to ANSI B11 safety standards and fully interchangeable with KTR Rotex series. Premium polyurethane spider element delivers exceptional performance in demanding power transmission applications.
Standard Compliance
- ANSI B11 — American National Standard for mechanical power transmission
- KTR Rotex — Fully interchangeable with KTR Rotex GS series dimensions
- DIN 5480 — Splined shaft connection standard compliant
- Material certification per ASTM D2240 (Shore hardness testing)
Technical Specifications — GR Series
| Model | Outer Diameter (mm) | Inner Diameter (mm) | Height (mm) | Max Torque (N·m) | Max RPM |
|---|---|---|---|---|---|
| GR14 | 30 | 10.5 | 12 | 10 | 12000 |
| GR19 | 40 | 18 | 14.5 | 25 | 10000 |
| GR24 | 54 | 26 | 15.2 | 45 | 8500 |
| GR28 | 65 | 30 | 19 | 80 | 7500 |
| GR38 | 80 | 38 | 22 | 150 | 6000 |
| GR42 | 95 | 46 | 24 | 220 | 5000 |
| GR48 | 104 | 51 | 25.5 | 300 | 4500 |
| GR55 | 120 | 60 | 27 | 450 | 4000 |
| GR65 | 135 | 68 | 32 | 650 | 3600 |
| GR75 | 160 | 80 | 37 | 1000 | 3000 |
| GR90 | 199 | 100 | 42 | 1600 | 2500 |
| GR100 | 225 | 113 | 38 | 2200 | 2200 |
| GR110 | 255 | 127 | 42 | 3000 | 2000 |
| GR125 | 290 | 145 | 48 | 4500 | 1800 |
Spider Element Hardness Options
- 92 Shore A (Red) — Standard, general purpose
- 98 Shore A (Yellow) — High torque, higher stiffness
- 64 Shore D (Purple) — Maximum torque, precision applications
Key Features
- Fully interchangeable with KTR Rotex GR/GS series
- Premium TPU material with tensile strength ≥35 MPa
- Operating temperature: -30°C to +100°C (92 Shore A)
- Excellent oil, chemical, and UV resistance
- Zero backlash with torsional stiffness
- Compact design for space-limited installations
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