21T Spline Hub Description
YNF17127 is a 21-tooth spline hub, designed as a durable coupling component in excavator power transmission systems. With dimensions ID32-35 × OD100 × H75 × Z4 × M16, this hub ensures precise engagement and reliable torque delivery between hydraulic pumps and engines. Built from heat-treated alloy steel, it offers excellent resistance to wear and deformation, extending the service life of connected components. Its robust construction makes it suitable for high-load applications in excavators and other heavy machinery. YNF spline hubs are widely trusted by fleet operators, service centers, and aftermarket distributors for their performance and reliability.
Spline Hub Technical Sheet
| Parameter |
Details |
| YNF Part Number |
YNF17127 |
| Product Type |
Spline Hub / Coupling Hub |
| Teeth |
21T |
| Dimensions |
ID32-35 × OD100 × H75 × Z4 × M16 |
| Material |
High-strength alloy steel, heat-treated |
| Application |
Excavators, Hydraulic Pump Drives, Industrial Gearboxes |
| Function |
Transmits torque and aligns shafts |
| Country of Origin |
China |
| Brand |
YNF |
| MOQ |
1 Piece |
| Shipping Method |
Sea, Air, Express |
| Payment Method |
T/T, PayPal, Western Union |
21T Spline Hub Applications
| Application Area |
Description |
| Excavators |
Connects hydraulic pump to engine for power transfer |
| Construction Machinery |
Used in loaders and cranes requiring spline couplings |
| Industrial Gear Systems |
Suitable for torque transmission in heavy-duty gearboxes |
| Maintenance Workshops |
Common replacement part in hydraulic pump assemblies |
21T Spline Hub Detail Display
Related Products:
-
Hydraulic Pump Coupling Assemblies
-
Splined Shafts for Excavators
-
Transmission Coupling Rubber Elements
FAQs:
Q: What material is this spline hub made from?
A: It is manufactured from alloy steel with heat treatment for durability.
Q: Can this hub be customized for different spline counts?
A: Yes, custom designs for teeth count and dimensions are available.
Q: Is it compatible with non-excavator applications?
A: Yes, it can also be used in industrial gear systems and generators.
