SKF PBP125-1000-250-J1S hydraulic seal
- Brand
- SKF
- Category
- Seals
- Subcategory
- Hydraulic seals
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Description
SKF PBP125-1000-250-J1S belongs to hydraulic seal, part of our Seals range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for PBP125-1000-250-J1S and any equivalents.
The SKF PBP-JS series includes hydraulic seals built for high-pressure service in cylinders and related fluid power systems. A polyurethane body works with an internal energizer to maintain consistent lip contact, which helps offset wear and pressure changes. These seals retain hydraulic oil in linear actuators, presses, mobile equipment, and stationary machinery, reducing leaks and shielding internal parts. MR supplies this SKF line and can assist with size selection and technical questions.
Part numbers in this series follow a pattern that encodes the seal geometry. The digits before the suffix give the inner diameter, outer diameter, and height in millimeters. The J1S suffix identifies the compound and lip design. Understanding this code helps you confirm the right seal for a given groove.
Common uses include hydraulic cylinders on earthmoving and road equipment, lifting systems, presses, and industrial machines running on mineral oil. In many maintenance shops, these seals are specified for excavators, cranes, forklifts, and production lines because they hold up under high pressure and moderate temperatures, which reduces unplanned downtime.
To choose the correct seal, check the system's working pressure, fluid temperature, rod speed, and oil compatibility. During installation, keep the area clean, inspect sealing surfaces, and use tools that will not nick the lip. Lubricate the seal with the system fluid before fitting, and make sure the energizer sits correctly in the groove.
If you are replacing a seal from another brand, compare the inner diameter, outer diameter, height, and operating conditions. Interchangeability depends on matching pressure, temperature, and fluid parameters. MR can help you evaluate whether an SKF PBP-JS seal fits your application.
To request a quote, send the full part number or the groove dimensions via WhatsApp or email. The MR team will respond promptly and can suggest alternatives if needed.
Dimensions
Dimensions and tolerances: Message us the part number on WhatsApp and we'll verify its dimensions and version with the manufacturer's datasheet.
Frequently asked questions
- What do the numbers in a PBP-JS part number mean?
- The numbers indicate the seal's inner diameter, outer diameter, and height in millimeters. The J1S suffix specifies the material and lip design. Always check these dimensions against the actual housing before ordering.
- Can these seals handle high-pressure hydraulic systems?
- Yes, the PBP-JS series is intended for high-pressure hydraulic applications. The polyurethane construction and energizing element provide reliable sealing. Contact MR with your system's pressure and temperature to confirm suitability.
- How do I know if an SKF PBP-JS seal can replace another brand?
- Compare the inner diameter, outer diameter, height, and operating conditions such as pressure, temperature, and fluid. If they match, the seal is likely interchangeable. Send the original code to MR for validation.