SKF PTB750-20000-1250-J1S Hydraulic rod seal / buffer seal
SKF

SKF PTB750-20000-1250-J1S Hydraulic rod seal / buffer seal

Part numberPTB750-20000-1250-J1SItem numberSKF-PTB750-20000-1250-J1SHS code4016.93
SKF designation convention (see description for governing ISO / DIN)
MaterialAs declared by SKF designation suffix
Seals & Gaskets
Hydraulic Rod & Buffer Seals
MOQ:1

Pricing

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Product Description

SKF PTB750-20000-1250-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 PTB750-20000-1250-J1S
HS code
4016.93
Rod diameter
508 mm
Housing groove diameter
546.1 mm
Housing groove width
34.93 mm
Pressure limit, maximum
40 N/mm²
Design
PTB
Primary sealing element
Polyurethane (TPU U-1003)
Compound 2
Nitrile Rubber (NBR A-8501)
Unit system
Inch
Product net weight
1.13 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 7502000012501
  • Parker 7502000012501
  • Freudenberg 7502000012501
  • Hallite 7502000012501
  • Equivalent: 7502000012501 (Trelleborg)
  • Equivalent: 7502000012501 (Parker)
  • Equivalent: 7502000012501 (Freudenberg)
  • Equivalent: 7502000012501 (Hallite)

Compatibility & Fitment

Interchange with peer OEM equivalents on identical boundary plan and execution — confirm cage, clearance, sealing and precision-class suffix before substitution.

Not sure if it fits? Email sales@cballast.com with your equipment serial number or photos — we confirm fit before you order.

Product Documentation

Document preview: SKF PTB750-20000-1250-J1S Hydraulic rod seal / buffer seal — Specification sheet

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 PTB750-20000-1250-J1S?
PTB750-20000-1250-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 PTB750-20000-1250-J1S.
What is the HS code for PTB750-20000-1250-J1S?
The customs tariff (HS) code for PTB750-20000-1250-J1S is 4016.93.
Who manufactures PTB750-20000-1250-J1S?
PTB750-20000-1250-J1S is a SKF product in the Seals & Gaskets range.
Is a datasheet available for PTB750-20000-1250-J1S?
Yes — the PTB750-20000-1250-J1S datasheet can be viewed and downloaded on this page.
What is the minimum order quantity for PTB750-20000-1250-J1S?
The minimum order quantity is 1.
Is PTB750-20000-1250-J1S available?
Yes — PTB750-20000-1250-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).