SKF STD187-437-187-J1S Hydraulic rod seal / buffer seal
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Product Description
SKF STD187-437-187-J1S hydraulic rod seal / buffer seal. Hydraulic cylinder rod-side sealing element — primary rod seal (PU / thermoplastic polyurethane, filled PTFE, elastomer) or upstream buffer seal absorbing pressure spikes. Rated to 400-700 bar depending on execution. Groove per ISO 5597 / ISO 7425-2. Suitable for deck cranes, hatch covers, steering gear, hydraulic winches.
Technical Specifications
- Type
- Hydraulic rod seal / buffer seal
- Designation
- SKF STD187-437-187-J1S
- HS code
- 4016.93
- Rod diameter
- 11.1 mm
- Housing groove diameter
- 20.6 mm
- Housing groove width
- 5.22 mm
- Pressure limit, maximum
- 40 N/mm²
- Design
- STD
- Primary sealing element
- Polyurethane (TPU U-1003)
- Compound 2
- Nitrile Rubber (NBR A-8501)
- Unit system
- Inch
- Product net weight
- 0.00193 kg
- eClass code
- 23-07-01-90
- UNSPSC code
- 31181602
Standards & Compliance
- Standard
- SKF designation convention (see description for governing ISO / DIN)
- Material
- As declared by SKF designation suffix
- Temperature Range
- Per SKF product data
- HS Code
- 4016.93
Cross References
- Trelleborg 1874371871
- Parker 1874371871
- Freudenberg 1874371871
- Hallite 1874371871
- Equivalent: 1874371871 (Trelleborg)
- Equivalent: 1874371871 (Parker)
- Equivalent: 1874371871 (Freudenberg)
- Equivalent: 1874371871 (Hallite)
Compatibility & Fitment
Interchange with peer OEM equivalents on identical boundary plan and execution — confirm cage, clearance, sealing and precision-class suffix before substitution.
Product Documentation
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Technical guides
- Hydraulic Seal Size Finder — Rod Seals, Buffer Seals, Piston Seals, Wipers and Guide Rings by Rod / Bore and Groove Dimensions (SKF)
- SKF 81xxx Cylindrical Roller Thrust Bearing — Dimensions, Load Ratings & Interchange (81102 to 81140)
- SKF Deep Groove Ball Bearing Reference — 6000 / 6200 / 6300 / 6400 Series (Dimensions, Load Ratings, Interchange to FAG NSK NTN Timken)
Catalogue entry last verified: 2026-09-30. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy STD187-437-187-J1S?
- STD187-437-187-J1S can be ordered from cballast.com as a SKF catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
- What is the manufacturer part number for this SKF product?
- The manufacturer part number is STD187-437-187-J1S.
- What is the HS code for STD187-437-187-J1S?
- The customs tariff (HS) code for STD187-437-187-J1S is 4016.93.
- Who manufactures STD187-437-187-J1S?
- STD187-437-187-J1S is a SKF product in the Seals & Gaskets range.
- Is a datasheet available for STD187-437-187-J1S?
- Yes — the STD187-437-187-J1S datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for STD187-437-187-J1S?
- The minimum order quantity is 1.
- Is STD187-437-187-J1S available?
- Yes — STD187-437-187-J1S is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).