SCK-75×89×7 Dust Seal Oil Seal for Hydraulic Systems - NBR Material, 32MPa Pressure, -30°C to +80°C Temperature Range
The Dust Seal SCK-75 is a high-performance oil seal designed for reciprocating motion applications in hydraulic systems. Manufactured from NBR material, this standard part offers excellent oil resistance and durability for industrial equipment.
| Parameter | Specification |
|---|---|
| Size | SCK-75×89×7 |
| Maximum Pressure | ≤32 MPa |
| Temperature Range | -30°C to +80°C |
| Speed Range | 0.5-0.8 m/s |
| Maximum Stroke | Less than 2000 mm |
| Sliding Resistance | Medium |
| Material | NBR (Nitrile Rubber) |
| Compatible Fluids | General oil, hydraulic oil |
- Excellent oil resistance against mineral, vegetable, animal, and petroleum-based lubricants
- Maintains structural stability without swelling or deformation during long-term contact
- Moderate tensile strength and elasticity for dynamic sealing applications
- Good wear resistance for extended service life in cylinder piston movements
- Ideal for dustproof sealing in reciprocating motion systems
Produced by NFK Corporation, founded in 1939 as one of Japan's earliest oil seal manufacturers and now a global leader in sealed products. Our professional team brings over 18 years of expertise in hydraulic seals, ensuring superior quality and performance.
SC, SB, TC, TB, VC, VB, DCY, TC4Y, TCV, TCN, TC4, TB4, DC, DB, VR, MG, OKC3
SPGW, SPGO, SPG, SPGA, NCF, ODI, OSI, OUIS, OHM, OKH, DAS, OK SELA, OUY
IDI, IUH, ISI, IUIS
UPI, UPH, USH, USI, V99F, V96H
DKB, DKBI, DKBI3, DKBZ, DKI, DWI, DKH, DWIR, DSI, LBI, LBH, VAY
Wearing Rings (WR, KZT, RYT), Rotary Seals (ROI, SPN), Back Up Rings (N4W, BRT-PTFE, BRT-NYLON, BRT2, BRT3, BRT-G, BRT-P, BRN2, BRN3), O-Rings (multiple series), D-Rings (DRP, DRI)
Comprehensive repair kits available for various industrial equipment including boom cylinders, hydraulic pumps, servo valves, control valves, swing motors, travel motors, and specialized machinery such as cranes, graders, loaders, and drilling rigs.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.