We will be closed November 28th and 29th, 2024 for Thanksgiving. We will reopen December 2nd, 2024 at normal time.  Have a safe and happy holiday! 

 

ATTN: CANADA CUSTOMERS:  If you need to buy seals from us, please call us instead of ordering online to arrange for shipping. As we can not use USPS to ship your package until the strike ends.  Thank you!

K21-040 NBR
Double-tap and hold to zoom.
Mouse over the image to zoom.

N 40 X 55 X 10 NBR

K21-040 NBR

UPC: 44997699

USD $5.40 /EACH
    • EACH
  • Quantity Available: 75
  • Availability: In stock
Untitled Document

 


K21 U-Cup
Natural Rubber (NBR) 90 Shore A

K21 (Piston and Rod Seals)

Used widely in hydraulic cylinders, the K21 can be used for both piston and rod applications due to its symmetrical properties. Offered in either Polyurethane 92 Shore A (designated AU), or Natural Rubber (NBR) 90 Shore A.

Application:

  • Hydraulic cylinders


Operating Conditions:

Maximum Speed: 0.5 m/s

Temperature: -30°C to 100°C (-22°F to 212°F) AU, -30°C to 105°C (-22°F to 221°F) NBR

Maximum Pressure: 400 bar – AU, 150 bar – NBR


Compatible With:

  • Mineral oils

  • Hydraulic fluids



 

Your Browsing History

22891 A42-NM
  • USD $11.45 /EACH
2010589 CFW
  • USD $11.70 /EACH
2511-004.903 MM-NM
  • USD $14.05 /EACH
S 41.27 X 65.08 X 9.52 WA
  • USD $9.90 /EACH
WB 40 X 68 X 7
  • USD $12.05 /EACH