Rotary Shaft Oil Seal / Radial Oil Seal |
Prevent grease from leaking and block dust, water, and air from entering |
Motors, gearboxes, automotive engines |
NBR, FKM, H-NBR |
20×35×7mm ~ 100×130×12mm |
V-образне кільцеве ущільнення |
Good elasticity and flexibility; used for dust prevention and auxiliary sealing |
Agricultural machinery, wind turbines, paper machines |
NBR, FKM, Silicone |
20mm ~ 250mm |
Y-Ring |
Similar to V-ring but offers tighter sealing |
High-speed rotating shafts |
NBR, PU |
25mm ~ 200mm |
Combination Seal (e.g., TC, TG4, TCV) |
Integrated lip seals with dust lips or high-pressure lips |
Transmissions, hydraulic motors, heavy-duty industrial equipment |
NBR + steel case, FKM + stainless steel case |
20×35×7mm ~ 120×150×12mm |
Split Seal |
Allows replacement without dismantling equipment |
Large rotating shafts or restricted repair spaces |
NBR, PU, composite materials |
100mm ~ 1000mm (customizable) |
High-Pressure Rotary Seal (e.g., PTFE Lip Seal) |
Withstands high pressure and high temperature |
High-speed, high-pressure hydraulic systems |
PTFE + spring, PTFE + rubber support |
20×35mm ~ 150×180mm |
End Cap Seal (EC) |
Seal hollow shaft ends or fixed sealing structures |
Agricultural machines, shaft end sealing |
NBR, FKM, metal case |
30×50×10mm ~ 90×120×15mm |