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    Home / Stock items / Sealing rings / Back-up rings

    Back-up rings

    The Back-up rings category offers a wide range of high-quality rings designed to support and stabilize seals in hydraulic and pneumatic systems. These rings increase the resistance and reliability of the seal and thus extend its service life. Choose from our range for optimal functionality and efficiency of your equipment.

    Product sorting

    36 items total

    List of products

    160345 operny krouzek 95 x 105 x 1 9 tpe kastas k81 095 1
    Back-up ring 95 x 105 x 1.9 K81-095/1 TPE, Kastas
    Stock (4 pcs)
    €2,52 excl. VAT
    €3,05

    Back-up rings are used to support O-rings and prevent them from extruding into the...

    SKL_BR004600
    160315 operny krouzek 75 x 85 x 1 9 tpe kastas k81 075 3
    Back-up ring 75 x 85 x 1.9 K81-075/3 TPE, Kastas
    Stock (3 pcs)
    €2,27 excl. VAT
    €2,75

    Back-up rings are used to support O-rings and prevent them from extruding into the...

    SKL_BR003970
    160306 operny krouzek 72 x 80 x 1 9 tpe kastas k81 072
    Back-up ring 72 x 80 x 1.9 K81-072 TPE, Kastas
    Stock (36 pcs)
    €1,88 excl. VAT
    €2,27

    Back-up rings are used to support O-rings and prevent them from extruding into the...

    SKL_BR003850
    160288 operny krouzek 66 5 x 71 x 1 9 tpe kastas k81 066 1
    Back-up ring 66.5 x 71 x 1.9 K81-066/1 TPE, Kastas
    Stock (33 pcs)
    €1,57 excl. VAT
    €1,90

    Back-up rings are used to support O-rings and prevent them from extruding into the...

    SKL_BR003540
    160264 operny krouzek 62 x 70 x 1 9 tpe kastas k81 062
    Back-up ring 62 x 70 x 1.9 K81-062 TPE, Kastas
    Stock (11 pcs)
    €1,60 excl. VAT
    €1,93

    Back-up rings are used to support O-rings and prevent them from extruding into the...

    SKL_BR003300
    160255 operny krouzek 58 7 x 65 x 1 9 tpe kastas k81 058 2
    Back-up ring 58.7 x 65 x 1.9 K81-058/2 TPE, Kastas
    Stock (29 pcs)
    €1,57 excl. VAT
    €1,90

    Back-up rings are used to support O-rings and prevent them from extruding into the...

    SKL_BR003150
    160231 operny krouzek 55 x 65 x 1 9 tpe kastas k81 055 4
    Back-up ring 55 x 65 x 1.9 K81-055/4 TPE, Kastas
    Stock (24 pcs)
    €1,50 excl. VAT
    €1,82

    Back-up rings are used to support O-rings and prevent them from extruding into the...

    SKL_BR002930
    160219 operny krouzek 53 7 x 60 x 1 9 tpe kastas k81 053
    Back-up ring 53.7 x 60 x 1.9 K81-053 TPE, Kastas
    Stock (7 pcs)
    €1,45 excl. VAT
    €1,75

    Back-up rings are used to support O-rings and prevent them from extruding into the...

    SKL_BR002800
    160207 operny krouzek 52 x 60 x 1 9 tpe kastas k81 052
    Back-up ring 52 x 60 x 1.9 K81-052 TPE, Kastas
    Stock (6 pcs)
    €1,45 excl. VAT
    €1,75

    Back-up rings are used to support O-rings and prevent them from extruding into the...

    SKL_BR002740
    160174 operny krouzek 43 7 x 50 x 1 9 tpe kastas k81 043 1
    Back-up ring 43.7 x 50 x 1.9 K81-043/1 TPE, Kastas
    Stock (27 pcs)
    €1,29 excl. VAT
    €1,56

    Back-up rings are used to support O-rings and prevent them from extruding into the...

    SKL_BR002290
    160162 operny krouzek 40 4 x 45 x 1 9 tpe kastas k81 040 1
    Back-up ring 40.4 x 45 x 1.9 K81-040/1 TPE, Kastas
    Stock (30 pcs)
    €1,20 excl. VAT
    €1,45

    Back-up rings are used to support O-rings and prevent them from extruding into the...

    SKL_BR002130
    160546 operny krouzek 295 7 x 305 x 1 9 tpe kastas k81 295
    Back-up ring 295.7 x 305 x 1.9 K81-295 TPE, Kastas
    Stock (5 pcs)
    €12,54 excl. VAT
    €15,17

    Back-up rings are used to support O-rings and prevent them from extruding into the...

    SKL_BR008260
    160543 operny krouzek 290 7 x 300 x 1 9 tpe kastas k81 290
    Back-up ring 290.7 x 300 x 1.9 K81-290 TPE, Kastas
    Stock (3 pcs)
    €12,14 excl. VAT
    €14,69

    Back-up rings are used to support O-rings and prevent them from extruding into the...

    SKL_BR008190
    Back-up ring 271.6 x 280 x 1.9 PTFE, KASTAS, K707
    Back-up ring 271.6 x 280 x 1.9 PTFE, KASTAS, K707
    Not on stock
    €41 220,12 excl. VAT
    €49 876,34

    Back-up rings are used to support O-rings and prevent them from extruding into the...

    SKL_BR008120
    160534 operny krouzek 260 7 x 270 x 1 9 tpe kastas k81 260
    Back-up ring 260.7 x 270 x 1.9 K81-260 TPE, Kastas
    Stock (5 pcs)
    €11,16 excl. VAT
    €13,50

    Back-up rings are used to support O-rings and prevent them from extruding into the...

    SKL_BR008040
    160531 operny krouzek 245 7 x 255 x 1 9 tpe kastas k81 245 1
    Back-up ring 245.7 x 255 x 1.9 K81-245/1 TPE, Kastas
    Stock (5 pcs)
    €9,53 excl. VAT
    €11,53

    Back-up rings are used to support O-rings and prevent them from extruding into the...

    SKL_BR007910
    160525 operny krouzek 241 8 x 250 x 1 9 tpe kastas k81 241
    Back-up ring 241.8 x 250 x 1.9 K81-241 TPE, Kastas
    Stock (5 pcs)
    €9,16 excl. VAT
    €11,08

    Back-up rings are used to support O-rings and prevent them from extruding into the...

    SKL_BR007850
    160522 operny krouzek 240 7 x 250 x 1 9 tpe kastas k81 240
    Back-up ring 240.7 x 250 x 1.9 K81-240 TPE, Kastas
    Stock (3 pcs)
    €9,43 excl. VAT
    €11,41

    Back-up rings are used to support O-rings and prevent them from extruding into the...

    SKL_BR007800
    160510 operny krouzek 220 7 x 230 x 1 9 tpe kastas k81 220
    Back-up ring 220.7 x 230 x 1.9 K81-220 TPE, Kastas
    Stock (5 pcs)
    €8,08 excl. VAT
    €9,78

    Back-up rings are used to support O-rings and prevent them from extruding into the...

    SKL_BR007560
    160501 operny krouzek 210 7 x 220 x 1 9 tpe kastas k81 210
    Back-up ring 210.7 x 220 x 1.9 K81-210 TPE, Kastas
    Stock (7 pcs)
    €7,53 excl. VAT
    €9,11

    Back-up rings are used to support O-rings and prevent them from extruding into the...

    SKL_BR007450
    160498 operny krouzek 205 7 x 215 x 1 9 tpe kastas k81 205
    Back-up ring 205.7 x 215 x 1.9 K81-205 TPE, Kastas
    Stock (3 pcs)
    €7,59 excl. VAT
    €9,18

    Back-up rings are used to support O-rings and prevent them from extruding into the...

    SKL_BR007380
    160495 operny krouzek 201 8 x 210 x 1 9 tpe kastas k81 201
    Back-up ring 201.8 x 210 x 1.9 K81-201 TPE, Kastas
    Stock (5 pcs)
    €6,08 excl. VAT
    €7,36

    Back-up rings are used to support O-rings and prevent them from extruding into the...

    SKL_BR007290
    160486 operny krouzek 192 6 x 202 x 1 9 tpe kastas k81 192
    Back-up ring 192.6 x 202 x 1.9 K81-192 TPE, Kastas
    Stock (5 pcs)
    €6,55 excl. VAT
    €7,92

    Back-up rings are used to support O-rings and prevent them from extruding into the...

    SKL_BR007180
    160483 operny krouzek 190 7 x 200 x 1 9 tpe kastas k81 190
    Back-up ring 190.7 x 200 x 1.9 K81-190 TPE, Kastas
    Not on stock
    €6,55 excl. VAT
    €7,92

    Back-up rings are used to support O-rings and prevent them from extruding into the...

    SKL_BR007090
    160471 operny krouzek 181 8 x 190 x 1 9 tpe kastas k81 181
    Back-up ring 181.8 x 190 x 1.9 K81-181 TPE, Kastas
    Stock (3 pcs)
    €5,56 excl. VAT
    €6,73

    Back-up rings are used to support O-rings and prevent them from extruding into the...

    SKL_BR006970
    160459 operny krouzek 161 8 x 170 x 1 9 tpe kastas k81 161
    Back-up ring 161.8 x 170 x 1.9 K81-161 TPE, Kastas
    Stock (4 pcs)
    €4,45 excl. VAT
    €5,39

    Back-up rings are used to support O-rings and prevent them from extruding into the...

    SKL_BR006680
    160447 operny krouzek 155 x 165 x 1 9 tpe kastas k81 155 2
    Back-up ring 155 x 165 x 1.9 K81-155/2 TPE, Kastas
    Stock (4 pcs)
    €4,36 excl. VAT
    €5,28

    Back-up rings are used to support O-rings and prevent them from extruding into the...

    SKL_BR006550
    160438 operny krouzek 151 x 160 x 1 9 tpe kastas k81 151
    Back-up ring 151 x 160 x 1.9 K81-151 TPE, Kastas
    Stock (7 pcs)
    €4,09 excl. VAT
    €4,95

    Back-up rings are used to support O-rings and prevent them from extruding into the...

    SKL_BR006440
    160435 operny krouzek 150 7 x 160 x 1 9 tpe kastas k81 150
    Back-up ring 150.7 x 160 x 1.9 K81-150 TPE, Kastas
    Stock (2 pcs)
    €4,09 excl. VAT
    €4,95

    Back-up rings are used to support O-rings and prevent them from extruding into the...

    SKL_BR006430
    160426 operny krouzek 145 x 155 x 1 9 tpe kastas k81 145 1
    Back-up ring 145 x 155 x 1.9 K81-145/1 TPE, Kastas
    Stock (6 pcs)
    €4,27 excl. VAT
    €5,17

    Back-up rings are used to support O-rings and prevent them from extruding into the...

    SKL_BR006230
    160405 operny krouzek 125 x 135 x 1 9 tpe kastas k81 125
    Back-up ring 125 x 135 x 1.9 K81-125 TPE, Kastas
    Not on stock
    €3,13 excl. VAT
    €3,79

    Back-up rings are used to support O-rings and prevent them from extruding into the...

    SKL_BR005620
    160402 operny krouzek 122 x 130 x 1 9 tpe kastas k81 122
    Back-up ring 122 x 130 x 1.9 K81-122 TPE, Kastas
    Stock (34 pcs)
    €2,95 excl. VAT
    €3,57

    Back-up rings are used to support O-rings and prevent them from extruding into the...

    SKL_BR005570
    160390 operny krouzek 117 x 125 x 1 9 tpe kastas k81 117
    Back-up ring 117 x 125 x 1.9 K81-117 TPE, Kastas
    Stock (6 pcs)
    €2,83 excl. VAT
    €3,42

    Back-up rings are used to support O-rings and prevent them from extruding into the...

    SKL_BR005340
    160378 operny krouzek 110 x 120 x 1 9 tpe kastas k81 110 2
    Back-up ring 110 x 120 x 1.9 K81-110/2 TPE, Kastas
    Not on stock
    €2,79 excl. VAT
    €3,38

    Back-up rings are used to support O-rings and prevent them from extruding into the...

    SKL_BR005100
    160366 operny krouzek 107 x 115 x 1 9 tpe kastas k81 107
    Back-up ring 107 x 115 x 1.9 K81-107 TPE, Kastas
    Stock (4 pcs)
    €2,58 excl. VAT
    €3,12

    Back-up rings are used to support O-rings and prevent them from extruding into the...

    SKL_BR004970
    160351 operny krouzek 100 x 108 2 x 1 9 tpe kastas k81 100 1
    Back-up ring 100 x 108.2 x 1.9 K81-100/1 TPE, Kastas
    Stock (8 pcs)
    €2,36 excl. VAT
    €2,86

    Back-up rings are used to support O-rings and prevent them from extruding into the...

    SKL_BR004750

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