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Five blue polyurethane radial shaft seals Y-shaped cross-section 31.5mm ID 41.5mm OD 6mm wide

Unique-Bargains

Unique-Bargains Radial Shaft Seal 31.5mm ID x 41.5mm OD x 6mm PU Blue Pack of 5

SKU CH-NX4W-ACN2H

Pack of five polyurethane radial shaft seals sized 31.5 mm ID by 41.5 mm OD by 6 mm wide, rated to 35 MPa and 100 °C for hydraulic cylinder protection

  • Main materialPolyurethane
  • Prevents contamination in hydraulic cylinders with Y-shape dual-lip design
  • Pack of five polyurethane seals fits 31.5mm ID and 41.5mm OD shafts
  • Operates up to 35Mpa pressure and .5m/s speed for industrial reliability
  • Withstands temperatures from -35°C to 100°C for harsh environments
  • 90A hardness polyurethane resists oil wear and aging for long service life

Hydraulic Shaft Seal Pack

This pack contains five polyurethane radial shaft seals with a 31.5mm inner diameter, 41.5mm outer diameter and 6mm width. They suit maintenance teams and machine operators who need reliable one-way piston sealing for hydraulic cylinders and reciprocating rods. The Y-section profile works on both piston and piston rod applications in static-pressure systems.

Blue PU Construction

Each seal is moulded from 90A hardness polyurethane coloured blue for easy identification. The material resists oil, wear, low temperatures down to -35°C and ageing up to 100°C, while the lip geometry keeps dust, dirt, sand and metal debris out of the cylinder. Installation is straightforward in standard gland housings.

Check Groove Dimensions Before Ordering

Verify that your hardware matches the 31.5mm inner diameter, 41.5mm outer diameter and 6mm groove width exactly. The seals are rated for speeds below 0.5m/s and pressures under 35Mpa; applications exceeding those limits need a different specification. Ensure the working temperature stays within the -35°C to 100°C range.

How it compares

Measured against everything we stock in Caulking & Sealing Supplies, at today’s prices. Recalculated every night.

Price $5.99
Cheaper than about 90% of the 631 comparable items (median $16.99).

Specifications

Product
Brand nameUnique Bargains
Size & build
Main materialPolyurethane

Questions about this item

What working pressure does the 31.5 mm ID radial shaft seal handle?

The seal is rated for working pressure less than 35 Mpa in hydraulic cylinder applications.

What groove dimensions are required for the 41.5 mm OD seal?

The seal fits a 31.5 mm inner diameter and 41.5 mm outer diameter housing with a 6 mm groove width.

How should the Y-shape lip seal be oriented during installation?

Install with the Y-shape cross-section lips facing the pressure side so both inner and outer lips seal against the piston or rod.

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