SKF OR31.34X3.53-N70 O-ring / back-up ring
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Product Description
SKF OR31.34X3.53-N70 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 OR31.34X3.53-N70
- HS code
- 4016.93
- O-ring inside diameter
- 31.34 mm
- O-ring cross section
- 3.53 mm
- Dash-number
- 218
- Compound
- Nitrile rubber (N70)
- Product net weight
- 0.0014 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 313435370
- Parker 313435370
- Freudenberg 313435370
- Garlock 313435370
- Equivalent: 313435370 (Trelleborg)
- Equivalent: 313435370 (Parker)
- Equivalent: 313435370 (Freudenberg)
- Equivalent: 313435370 (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: 2026-08-13. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy OR31.34X3.53-N70?
- OR31.34X3.53-N70 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 OR31.34X3.53-N70.
- What is the HS code for OR31.34X3.53-N70?
- The customs tariff (HS) code for OR31.34X3.53-N70 is 4016.93.
- Who manufactures OR31.34X3.53-N70?
- OR31.34X3.53-N70 is a SKF product in the Seals & Gaskets range.
- Is a datasheet available for OR31.34X3.53-N70?
- Yes — the OR31.34X3.53-N70 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for OR31.34X3.53-N70?
- The minimum order quantity is 1.
- Is OR31.34X3.53-N70 available?
- Yes — OR31.34X3.53-N70 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).