Piston seal, K41, PTFE+bronze / NBR, Kastas

Code: KAT_KASK41_000100
from €2,67 from €2,21 excl. VAT Measure price:

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The single-acting K41 piston seal consists of a PTFE sealing ring and an elastomer O-ring energizer.

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
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Typ: Piston seal 9 x 4.1 x 2.2 K41-009 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_000100
€2,67
€2,21 excl. VAT
Typ: Piston seal 12 x 7.1 x 2.2 K41-012 PTFE+bronze / NBR, Kastas
Stock (8 pcs) | KAT_KASK41_000200
Delivery to: 04/11/2026
€2,67
€2,21 excl. VAT
Typ: Piston seal 16 x 11.1 x 2.2 K41-016 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_000300
€2,76
€2,28 excl. VAT
Typ: Piston seal 18 x 10.7 x 3.2 K41-018 PTFE+bronze / NBR, Kastas
Stock (11 pcs) | KAT_KASK41_000400
Delivery to: 04/11/2026
€2,88
€2,38 excl. VAT
Typ: Piston seal 22 x 14.7 x 3.2 K41-022 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_000500
€3,33
€2,75 excl. VAT
Typ: Piston seal 25 x 17.7 x 3.2 K41-025 PTFE+bronze / NBR, Kastas
Stock (14 pcs) | KAT_KASK41_000600
Delivery to: 04/11/2026
€2,88
€2,38 excl. VAT
Typ: Piston seal 28 x 17.3 x 4.2 K41-028 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_000700
€4,31
€3,56 excl. VAT
Typ: Piston seal 30 x 19.3 x 4.2 K41-030 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_000800
€4,76
€3,93 excl. VAT
Typ: Piston seal 30 x 22.7 x 3.2 K41-030/1 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_000900
€4,01
€3,31 excl. VAT
Typ: Piston seal 32 x 21.3 x 4.2 K41-032 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_001000
€5,12
€4,23 excl. VAT
Typ: Piston seal 35 x 24.3 x 4.2 K41-035 PTFE+bronze / NBR, Kastas
Stock (4 pcs) | KAT_KASK41_001100
Delivery to: 04/11/2026
€5,63
€4,65 excl. VAT
Typ: Piston seal 40 x 29.3 x 4.2 K41-040 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_001200
€5,06
€4,18 excl. VAT
Typ: Piston seal 45 x 34.3 x 4.2 K41-045 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_001300
€5,57
€4,60 excl. VAT
Typ: Piston seal 50 x 39.3 x 4.2 K41-050 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_001400
€8,45
€6,98 excl. VAT
Typ: Piston seal 50 x 34.9 x 6.3 K41-050/1 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_001500
€11,29
€9,33 excl. VAT
Typ: Piston seal 52 x 41.3 x 4.2 K41-052 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_001600
€8,59
€7,10 excl. VAT
Typ: Piston seal 55 x 44.3 x 4.2 K41-055 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_001700
€9,43
€7,79 excl. VAT
Typ: Piston seal 60 x 44.9 x 6.3 K41-060 PTFE+bronze / NBR, Kastas
Stock (4 pcs) | KAT_KASK41_001800
Delivery to: 04/11/2026
€13,18
€10,89 excl. VAT
Typ: Piston seal 60 x 49.3 x 4.2 K41-060/1 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_001900
€9,88
€8,17 excl. VAT
Typ: Piston seal 63 x 47.9 x 6.3 K41-063 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_002000
€14,20
€11,74 excl. VAT
Typ: Piston seal 63 x 52.3 x 4.2 K41-063/1 PTFE+bronze / NBR, Kastas
Stock (7 pcs) | KAT_KASK41_002100
Delivery to: 04/11/2026
€14,25
€11,78 excl. VAT
Typ: Piston seal 65 x 49.9 x 6.3 K41-065 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_002200
€14,25
€11,78 excl. VAT
Typ: Piston seal 70 x 59.3 x 4.2 K41-070 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_002300
€10,09
€8,34 excl. VAT
Typ: Piston seal 70 x 54.9 x 6.3 K41-070/1 PTFE+bronze / NBR, Kastas
Stock (2 pcs) | KAT_KASK41_002400
Delivery to: 04/11/2026
€13
€10,74 excl. VAT
Typ: Piston seal 75 x 59.9 x 6.3 K41-075 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_002500
€16,17
€13,36 excl. VAT
Typ: Piston seal 80 x 64.9 x 6.3 K41-080 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_002600
€19,59
€16,19 excl. VAT
Typ: Piston seal 85 x 69.9 x 6.3 K41-085 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_002700
€20,51
€16,95 excl. VAT
Typ: Piston seal 90 x 74.9 x 6.3 K41-090 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_002800
€19,88
€16,43 excl. VAT
Typ: Piston seal 90 x 69.5 x 8.1 K41-090/1 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_002900
€28,03
€23,17 excl. VAT
Typ: Piston seal 95 x 79.9 x 6.3 K41-095 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_003000
€23,03
€19,03 excl. VAT
Typ: Piston seal 100 x 84.9 x 6.3 K41-100 PTFE+bronze / NBR, Kastas
Stock (5 pcs) | KAT_KASK41_003100
Delivery to: 04/11/2026
€24,35
€20,12 excl. VAT
Typ: Piston seal 110 x 94.9 x 6.3 K41-110 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_003200
€26,65
€22,02 excl. VAT
Typ: Piston seal 115 x 99.9 x 6.3 K41-115 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_003300
€27,76
€22,94 excl. VAT
Typ: Piston seal 120 x 104.9 x 6.3 K41-120 PTFE+bronze / NBR, Kastas
Stock (1 pcs) | KAT_KASK41_003400
Delivery to: 04/11/2026
€31,29
€25,86 excl. VAT
Typ: Piston seal 125 x 109.9 x 6.3 K41-125 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_003500
€26,14
€21,60 excl. VAT
Typ: Piston seal 130 x 109.5 x 8.1 K41-130 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_003600
€45,91
€37,94 excl. VAT
Typ: Piston seal 130 x 114.9 x 6.3 K41-130/1 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_003700
€32,25
€26,65 excl. VAT
Typ: Piston seal 135 x 114.5 x 8.1 K41-135 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_003800
€42,91
€35,46 excl. VAT
Typ: Piston seal 135 x 119.9 x 6.3 K41-135/1 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_003900
€32,79
€27,10 excl. VAT
Typ: Piston seal 140 x 124.9 x 6.3 K41-140 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_004000
€33,30
€27,52 excl. VAT
Typ: Piston seal 150 x 134.9 x 6.3 K41-150 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_004100
€39,65
€32,77 excl. VAT
Typ: Piston seal 160 x 144.9 x 6.3 K41-160 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_004200
€42,82
€35,39 excl. VAT
Typ: Piston seal 160 x 139.5 x 8.1 K41-160/1 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_004300
€54,53
€45,07 excl. VAT
Typ: Piston seal 165 x 149.9 x 6.3 K41-165 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_004400
€43,99
€36,36 excl. VAT
Typ: Piston seal 170 x 154.9 x 6.3 K41-170 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_004500
€44,77
€37 excl. VAT
Typ: Piston seal 175 x 159.9 x 6.3 K41-175 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_004600
€45,97
€37,99 excl. VAT
Typ: Piston seal 180 x 164.9 x 6.3 K41-180 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_004700
€47,52
€39,27 excl. VAT
Typ: Piston seal 180 x 159.5 x 8.1 K41-180/1 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_004800
€61,33
€50,69 excl. VAT
Typ: Piston seal 190 x 174.9 x 6.3 K41-190 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_004900
€49,11
€40,59 excl. VAT
Typ: Piston seal 200 x 179.5 x 8.1 K41-200 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_005000
€68,49
€56,60 excl. VAT
Typ: Piston seal 205 x 184.5 x 8.1 K41-205 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_005100
€70,31
€58,11 excl. VAT
Typ: Piston seal 210 x 189.5 x 8.1 K41-210 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_005200
€73,61
€60,83 excl. VAT
Typ: Piston seal 215 x 194.5 x 8.1 K41-215 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_005300
€73,40
€60,66 excl. VAT
Typ: Piston seal 220 x 199.5 x 8.1 K41-220 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_005400
€75,01
€61,99 excl. VAT
Typ: Piston seal 225 x 204.5 x 8.1 K41-225 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_005500
€76,69
€63,38 excl. VAT
Typ: Piston seal 230 x 209.5 x 8.1 K41-230 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_005600
€83,82
€69,27 excl. VAT
Typ: Piston seal 240 x 219.5 x 8.1 K41-240 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_005700
€98,34
€81,27 excl. VAT
Typ: Piston seal 250 x 229.5 x 8.1 K41-250 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_005800
€86
€71,07 excl. VAT
Typ: Piston seal 260 x 236 x 8.1 K41-260 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_005900
€113,34
€93,67 excl. VAT
Typ: Piston seal 270 x 246 x 8.1 K41-270 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_006000
€102,47
€84,69 excl. VAT
Typ: Piston seal 280 x 256 x 8.1 K41-280 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_006100
€99,45
€82,19 excl. VAT
Typ: Piston seal 290 x 266 x 8.1 K41-290 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_006200
€123,38
€101,97 excl. VAT
Typ: Piston seal 300 x 276 x 8.1 K41-300 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_006300
€109,42
€90,43 excl. VAT
Typ: Piston seal 320 x 296 x 8.1 K41-320 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_006400
€114,87
€94,93 excl. VAT
Typ: Piston seal 330 x 306 x 8.1 K41-330 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_006500
€162,99
€134,70 excl. VAT
Typ: Piston seal 340 x 316 x 8.1 K41-340 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_006600
€176,98
€146,26 excl. VAT
Typ: Piston seal 350 x 326 x 8.1 K41-350 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_006700
€189,98
€157,01 excl. VAT
Typ: Piston seal 360 x 336 x 8.1 K41-360 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_006800
€183,09
€151,31 excl. VAT
Typ: Piston seal 370 x 346 x 8.1 K41-370 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_006900
€137
€113,22 excl. VAT
Typ: Piston seal 380 x 356 x 8.1 K41-380 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_007000
€204,74
€169,21 excl. VAT
Typ: Piston seal 400 x 376 x 8.1 K41-400 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_007100
€258,58
€213,70 excl. VAT
Typ: Piston seal 420 x 396 x 8.1 K41-420 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_007200
€271,01
€223,98 excl. VAT
Typ: Piston seal 450 x 426 x 8.1 K41-450 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_007300
€267,65
€221,20 excl. VAT
Typ: Piston seal 460 x 436 x 8.1 K41-460 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_007400
€302,15
€249,71 excl. VAT
Typ: Piston seal 480 x 456 x 8.1 K41-480 PTFE+bronze / NBR, Kastas
Stock (1 pcs) | KAT_KASK41_007500
Delivery to: 04/11/2026
€313,47
€259,07 excl. VAT
Typ: Piston seal 500 x 476 x 8.1 K41-500 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_007600
€319,70
€264,21 excl. VAT
Typ: Piston seal 520 x 496 x 8.1 K41-520 PTFE+bronze / NBR, Kastas
Not on stock | KAT_KASK41_007700
€327,78
€270,89 excl. VAT

Product detailed description

The single-acting K41 piston seal consists of a PTFE sealing ring and an elastomer O-ring energizer.

Advantages

  • Low friction and no stick-slip
  • Excellent dynamic and static sealing
  • Long service life
  • High extrusion resistance
  • No hydrodynamic pressure build-up
  • High speeds and frequencies
  • Designed for grooves according to ISO 7425/1

Applications

  • Cranes
  • Injection moulding machines
  • Hydraulic press cylinders
  • Forklift trucks
  • Construction machinery
  • Servo cylinders
  • Hydraulic hammers
  • Wind turbine
  • Automotive industry

Also searched as: piston seal, piston U-cup, hydraulic seal, hydraulic cylinder seal, NBR, nitrile, PTFE, teflon, bronze, Kastas, K41, Kastas K41.

Additional parameters

Category: Piston seal
Úroveň kvality: výkon
Vnitřní průměr: 496mm
Vnější průměr: 520mm
Výška: 8,1mm

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