SKF size19-243-395A O-ring / back-up ring
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Product Description
SKF size19-243-395A o-ring / back-up ring. SKF O-ring in nitrile (NBR), hydrogenated nitrile (HNBR), fluoroelastomer (FKM / Viton), ethylene-propylene (EPDM) or silicone (VMQ). Dimensioned to AS 568A imperial, ISO 3601 metric, or JIS B 2401. Companion PTFE / thermoplastic back-up rings extend service pressure to 700 bar in dynamic hydraulic applications by preventing extrusion into the sealing gap.
Technical Specifications
- Type
- O-ring / back-up ring Designation: SKF size19-243-395A HS code: 4016.93 O-ring inside diameter: 104.37 mm O-ring cross section: 3.53 mm Width: 1.5 mm Dash-number: 243 material: Polyurethane (PU) Unit system: Inch Product net weight: 0.0011 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 19243395
- Parker 19243395
- Freudenberg 19243395
- Garlock 19243395
- Equivalent: 19243395 (Trelleborg)
- Equivalent: 19243395 (Parker)
- Equivalent: 19243395 (Freudenberg)
- Equivalent: 19243395 (Garlock)
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
Catalogue entry last verified: 2026-08-30. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy STR19-243-395A?
- STR19-243-395A 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 STR19-243-395A.
- What is the HS code for STR19-243-395A?
- The customs tariff (HS) code for STR19-243-395A is 4016.93.
- Who manufactures STR19-243-395A?
- STR19-243-395A is a SKF product in the Seals & Gaskets range.
- Is a datasheet available for STR19-243-395A?
- Yes — the STR19-243-395A datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for STR19-243-395A?
- The minimum order quantity is 1.
- Is STR19-243-395A available?
- Yes — STR19-243-395A 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).