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RS-74

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  1. Rod Seal PU Type: RS-74
    Dimensions: 100 x 115 x 13 x 12
    Part number: 519551
    In Stock
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  2. Rod Seal PU Type: RS-74
    Dimensions: 100 x 120 x 13 x 12
    Part number: 519552
    In Stock
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  3. Rod Seal PU Type: RS-74
    Dimensions: 105 x 115 x 13 x 12
    Part number: 202419
    In Stock
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  4. Rod Seal PU Type: RS-74
    Dimensions: 105 x 125 x 15.5 x 14.5
    Part number: 6542819
    In Stock
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  5. Rod Seal PU Type: RS-74
    Dimensions: 110 x 125 x 15.6 x 14.6
    Part number: 519553
    In Stock
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  6. Rod Seal PU Type: RS-74
    Dimensions: 110 x 130 x 16 x 15
    Part number: 519554
    In Stock
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74 items

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RS-74


Description

The RS-74 is a two piece single acting rod seal which consists of one elastomeric sealing element specially designed with additional sealing lip and one thermoplastic back-up ring.

Materials: PU 94 shore A with a POM back-up ring


Product advantages

  • high wear resistant
  • superior sealing effect
  • secondary sealing lip provides extra protection against the ingress of dirt particles
  • improved sealing gap due to the active back-up ring
  • simple groove design


Applications

  • construction machinery
  • injection moulding machines
  • fork-lift trucks
  • agricultural machinery
  • standard cylinders


Operating conditions

Media Mineral oils (DIN 51524) HFA and HFB HFC
Temperature (min.) °C -30 +5 -30
Temperature (max.) °C +100 +50 +40
Pressure Bar ≤400 ≤400 ≤400
Speed m/sec  ≤0,5  ≤0,5  ≤0,5


Drawing RS-74


Installation

Easily assembled into closed grooves according to the minimum diameter values that are given in the below table. Open grooves or special assembly tools should be used for the values that are outside this table. It is very important that the assembly tools must be of soft material and have no sharp edges. Before installation the seal must be oiled with system oil.


Surface roughness  Ra Rmax
Sliding Surface ØD-Ød ≤0.4 μm ≤3 μm
Groove Base ØDb-Ødp ≤1.6 μm ≤10 μm
Groove Flanks B ≤3.2 μm ≤16 μm

Note: It is recommended to have 50% to 90% of the working surface material contact area value.


Minimum diameter values for closed type of grooves

(D-d)/2 (mm.) 4 5 6 7,5 10 12,5 15
dmin (mm.) 25 30 40 50 80 100 105


Sealing gap

permissible sealing gap
Pressure (Bar) 150 250 400
Smax (mm) 1,0 0,8 0,6

Note: The largest sealing gap value occurring on the non-pressurized side of the seal does have a vital importance for the function of the seal and in this respect it is quite important to use the S value lower than the above indicated numbers.


Sizes

Seal Supply d (f8) D (H11) B (-0/+0.2) b
519567 19,05 25,40 7,35 6,35
519526 22,00 30,00 7,00 6,00
519527 25,00 35,00 6,00 5,00
519568 25,40 31,75 7,35 6,35
519529 28,00 35,50 6,00 5,00
519528 28,00 38,00 7,00 6,00
132095 30,00 40,00 9,00 8,00
519569 31,75 38,10 7,10 6,35
519531 32,00 42,00 8,00 7,00
519530 32,00 45,00 10,50 9,50
519570 34,92 41,27 7,35 6,35
519532 35,00 45,00 8,00 7,00
132096 35,00 45,00 9,00 8,00
519533 36,00 46,00 9,00 8,00
519571 38,10 44,45 7,35 6,35
519535 40,00 48,00 9,00 8,00
132097 40,00 50,00 11,00 10,00
519536 40,00 52,00 10,00 9,00
519534 40,00 52,00 11,90 10,90
202418 40,00 52,00 13,00 12,00
519573 44,45 50,80 7,35 6,35
519572 44,45 53,97 10,50 9,52
519537 45,00 55,00 11,00 10,00
132098 50,00 60,00 11,00 10,00
519538 50,00 62,00 9,00 8,00
519539 50,00 65,00 12,40 11,40
519574 50,80 57,15 7,35 6,35
519540 52,00 68,00 11,00 10,00
519541 55,00 65,00 11,00 10,00
519542 55,00 65,00 13,00 12,00
519543 56,00 71,00 11,00 10,00
519544 56,00 74,00 11,00 10,00
132099 60,00 70,00 11,00 10,00
519545 63,00 75,00 9,00 8,00
519546 63,00 78,00 11,80 10,80
519547 65,00 80,00 13,00 12,00
132100 70,00 80,00 11,00 10,00
519548 70,00 82,00 13,00 12,00
132101 75,00 85,00 13,00 12,00
132102 80,00 90,00 13,00 12,00
519549 80,00 92,00 12,00 11,00
519550 85,00 100,00 13,00 12,00
132103 90,00 100,00 13,00 12,00
132104 95,00 105,00 13,00 12,00
519551 100,00 115,00 13,00 12,00
519552 100,00 120,00 13,00 12,00
202419 105,00 115,00 13,00 12,00
519553 110,00 125,00 15,60 14,60
519554 110,00 130,00 16,00 15,00
132105 115,00 125,00 13,00 12,00
519555 120,00 140,00 15,60 14,60
13952 125,00 145,00 13,00 12,00
519556 130,00 140,00 13,00 12,00
132106 135,00 145,00 13,00 12,00
519557 140,00 160,00 15,60 14,60
132107 160,00 170,00 13,00 12,00
519558 190,00 210,00 16,00 15,00
519559 195,00 215,00 16,00 15,00
519560 210,00 235,00 19,20 18,20
519561 220,00 235,00 15,60 14,60
519562 260,00 280,00 15,60 14,60
519563 275,00 295,00 12,00 11,00
519564 285,00 310,00 20,00 19,00
519565 350,00 380,00 23,50 22,50
519566 380,00 400,00 16,00 14,60
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