Universal U-cup seal, K98, PU / NBR, Kastas

Code: KAT_KASK98_000100
from €1,70 from €1,40 excl. VAT Measure price:

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K98 is a single-acting hydraulic sealing element (U-cup) consisting of a specially shaped polyurethane body and an elastomer O-ring. It is designed for systems with pressure fluctuations and pressure peaks, for vibration work and for applications with long-term static holding under pressure, up to 400 bar.

Detailed information

Fast delivery
Fast delivery
Optimized Inventory
Guaranteed quality
Guaranteed quality
We cooperate with renowned manufacturers all over the world
Technical support available
Technical support available
We cooperate with manufacturers' engineers to solve technical problems
Typ: Universal U-cup seal 19.05 x 25.4 x 6.35 K98-019 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_000100
Delivery to: 12/11/2026
€1,70
€1,40 excl. VAT
Typ: Universal U-cup seal 22.23 x 28.58 x 3.18 K98-022 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_000200
Delivery to: 12/11/2026
€2
€1,65 excl. VAT
Typ: Universal U-cup seal 25 x 32 x 7 K98-025/4 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_000300
Delivery to: 12/11/2026
€2
€1,65 excl. VAT
Typ: Universal U-cup seal 25.4 x 31.75 x 6.35 K98-025 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_000400
Delivery to: 12/11/2026
€2
€1,65 excl. VAT
Typ: Universal U-cup seal 25.4 x 34.93 x 4.76 K98-025/1 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_000500
Delivery to: 12/11/2026
€2
€1,65 excl. VAT
Typ: Universal U-cup seal 25.4 x 34.93 x 7.94 K98-025/2 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_000600
Delivery to: 12/11/2026
€2,15
€1,78 excl. VAT
Typ: Universal U-cup seal 25.4 x 38.1 x 6.35 K98-025/3 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_000700
Delivery to: 12/11/2026
€2,15
€1,78 excl. VAT
Typ: Universal U-cup seal 30 x 40 x 6 K98-030 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_000800
Delivery to: 12/11/2026
€2,30
€1,90 excl. VAT
Typ: Universal U-cup seal 31.75 x 38.1 x 6.35 K98-031 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_000900
Delivery to: 12/11/2026
€2,15
€1,78 excl. VAT
Typ: Universal U-cup seal 31.75 x 41.28 x 7.94 K98-031/1 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_001000
Delivery to: 12/11/2026
€2,30
€1,90 excl. VAT
Typ: Universal U-cup seal 35 x 45 x 6 K98-035 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_001100
Delivery to: 12/11/2026
€2,82
€2,33 excl. VAT
Typ: Universal U-cup seal 35 x 50 x 9 K98-035/1 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_001200
Delivery to: 12/11/2026
€3,04
€2,51 excl. VAT
Typ: Universal U-cup seal 38.1 x 47.63 x 7.94 K98-038 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_001300
Delivery to: 12/11/2026
€2,82
€2,33 excl. VAT
Typ: Universal U-cup seal 38.1 x 47.63 x 9.53 K98-038/1 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_001400
Delivery to: 12/11/2026
€3,04
€2,51 excl. VAT
Typ: Universal U-cup seal 38.1 x 50.8 x 9.53 K98-038/2 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_001500
Delivery to: 12/11/2026
€3,04
€2,51 excl. VAT
Typ: Universal U-cup seal 40 x 50 x 6 K98-040 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_001600
Delivery to: 12/11/2026
€3,04
€2,51 excl. VAT
Typ: Universal U-cup seal 40 x 50 x 9 K98-040/1 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_001700
Delivery to: 12/11/2026
€3,04
€2,51 excl. VAT
Typ: Universal U-cup seal 44.45 x 53.98 x 9.53 K98-044 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_001800
Delivery to: 12/11/2026
€3,19
€2,64 excl. VAT
Typ: Universal U-cup seal 44.45 x 63.5 x 16.48 K98-044/1 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_001900
Delivery to: 12/11/2026
€3,19
€2,64 excl. VAT
Typ: Universal U-cup seal 45 x 53 x 8 K98-045 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_002000
Delivery to: 12/11/2026
€3,19
€2,64 excl. VAT
Typ: Universal U-cup seal 45 x 55 x 6 K98-045/1 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_002100
Delivery to: 12/11/2026
€3,19
€2,64 excl. VAT
Typ: Universal U-cup seal 45 x 55 x 10 K98-045/5 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_002200
Delivery to: 12/11/2026
€3,19
€2,64 excl. VAT
Typ: Universal U-cup seal 45 x 60 x 10 K98-045/4 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_002300
Delivery to: 12/11/2026
€3,26
€2,69 excl. VAT
Typ: Universal U-cup seal 45 x 60 x 11 K98-045/3 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_002400
Delivery to: 12/11/2026
€3,26
€2,69 excl. VAT
Typ: Universal U-cup seal 45 x 65 x 10 K98-045/2 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_002500
Delivery to: 12/11/2026
€3,37
€2,79 excl. VAT
Typ: Universal U-cup seal 47.62 x 57.15 x 9.52 K98-047/1 PU / NBR, Kastas
Stock (23 pcs) | KAT_KASK98_002600
Delivery to: 11/11/2026
€3,26
€2,69 excl. VAT
Typ: Universal U-cup seal 47.62 x 63.5 x 11.5 K98-047 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_002700
Delivery to: 12/11/2026
€3,26
€2,69 excl. VAT
Typ: Universal U-cup seal 50 x 58 x 8 K98-050/2 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_002800
Delivery to: 12/11/2026
€3,23
€2,67 excl. VAT
Typ: Universal U-cup seal 50 x 60 x 6 K98-050/3 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_002900
Delivery to: 12/11/2026
€3,26
€2,69 excl. VAT
Typ: Universal U-cup seal 50 x 63 x 9 K98-050/4 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_003000
Delivery to: 12/11/2026
€3,34
€2,76 excl. VAT
Typ: Universal U-cup seal 50.8 x 60.33 x 9.53 K98-050 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_003100
Delivery to: 12/11/2026
€3,26
€2,69 excl. VAT
Typ: Universal U-cup seal 50.8 x 63.5 x 9.53 K98-050/1 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_003200
Delivery to: 12/11/2026
€3,34
€2,76 excl. VAT
Typ: Universal U-cup seal 53 x 63 x 7.3 K98-053 PU / NBR, Kastas
Stock (3 pcs) | KAT_KASK98_003300
Delivery to: 11/11/2026
€3,30
€2,73 excl. VAT
Typ: Universal U-cup seal 55 x 65 x 6 K98-055 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_003400
Delivery to: 12/11/2026
€3,34
€2,76 excl. VAT
Typ: Universal U-cup seal 57.15 x 69.85 x 6.35 K98-057 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_003500
Delivery to: 12/11/2026
€3,37
€2,79 excl. VAT
Typ: Universal U-cup seal 60 x 68 x 8 K98-060 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_003600
Delivery to: 12/11/2026
€3,37
€2,79 excl. VAT
Typ: Universal U-cup seal 60 x 70 x 6 K98-060/1 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_003700
Delivery to: 12/11/2026
€3,37
€2,79 excl. VAT
Typ: Universal U-cup seal 60 x 70 x 9 K98-060/3 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_003800
Delivery to: 12/11/2026
€3,37
€2,79 excl. VAT
Typ: Universal U-cup seal 60 x 75 x 9 K98-060/2 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_003900
Delivery to: 12/11/2026
€3,85
€3,18 excl. VAT
Typ: Universal U-cup seal 63.5 x 76.2 x 9.53 K98-063 PU / NBR, Kastas
Stock (21 pcs) | KAT_KASK98_004000
Delivery to: 11/11/2026
€3,74
€3,09 excl. VAT
Typ: Universal U-cup seal 69.85 x 82.55 x 9.52 K98-069 PU / NBR, Kastas
Stock (20 pcs) | KAT_KASK98_004100
Delivery to: 11/11/2026
€3,82
€3,16 excl. VAT
Typ: Universal U-cup seal 76.2 x 88.9 x 9.53 K98-076 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_004200
Delivery to: 12/11/2026
€3,85
€3,18 excl. VAT
Typ: Universal U-cup seal 76.2 x 92.08 x 12.7 K98-076/2 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_004300
Delivery to: 12/11/2026
€3,96
€3,27 excl. VAT
Typ: Universal U-cup seal 88.9 x 101.6 x 9.53 K98-088 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_004400
Delivery to: 12/11/2026
€3,96
€3,27 excl. VAT
Typ: Universal U-cup seal 90 x 103 x 10 K98-090 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_004500
Delivery to: 12/11/2026
€4,23
€3,50 excl. VAT
Typ: Universal U-cup seal 92.08 x 101.6 x 9.53 K98-092 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_004600
Delivery to: 12/11/2026
€3,96
€3,27 excl. VAT
Typ: Universal U-cup seal 105 x 120 x 9 K98-105 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_004700
Delivery to: 12/11/2026
€6
€4,96 excl. VAT
Typ: Universal U-cup seal 106 x 120 x 8.5 K98-106 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_004800
Delivery to: 12/11/2026
€5,78
€4,78 excl. VAT
Typ: Universal U-cup seal 107.95 x 127 x 15.88 K98-107 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_004900
Delivery to: 12/11/2026
€6,11
€5,05 excl. VAT
Typ: Universal U-cup seal 109 x 125 x 10.5 K98-109 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_005000
Delivery to: 12/11/2026
€6,11
€5,05 excl. VAT
Typ: Universal U-cup seal 139.7 x 165.1 x 19.05 K98-139 PU / NBR, Kastas
On order – within 7 weeks | KAT_KASK98_005100
Delivery to: 12/11/2026
€10,08
€8,33 excl. VAT

Product detailed description

K98 is a single-acting hydraulic sealing element (U-cup) consisting of a specially shaped polyurethane body and an elastomer O-ring. It is designed for systems with pressure fluctuations and pressure peaks, for vibration work and for applications with long-term static holding under pressure.

Advantages

  • Excellent static and dynamic sealing properties
  • Good sealing design for variable pressures, pressure peaks and low pressures
  • Excellent safety in systems with long-term holding thanks to the elastomer O-ring
  • High abrasion resistance

Applications

  • Mining industry
  • Iron and steel industry
  • Scrap presses
  • Offshore sector
  • Marine industry

Also searched as: U-cup seal, universal U-cup, U-ring, hydraulic seal, NBR, nitrile, PU, polyurethane, Kastas, K98, Kastas K98.

Additional parameters

Category: Universal (piston and piston rod) seals
Úroveň kvality: výkon
Vnitřní průměr: 139,7mm
Vnější průměr: 165,1mm
Výška: 19,05mm

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