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SJ Type Stainless Shaft Sleeves

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    Description

    • Shaft repair kit, providing a counterface surface that is optimized for radial shaft seals; 

    • Very thin-wall, about 0.28 mm (0.011 in);

    • The shaft repair sleeves are packed individually, supplied ex stock with the mounting tool and installation instructions.

    Advantages

    • Inexpensive replacement of worn shaft surfaces

    • Simple and quick installation with supplied mounting tool

    • No alterations to the seal dimensions

    • Wear-resistant surface for long service life

    • Secure seating due to a force fit

    Application

    • Repair of worn shaft surfaces

    • Used in new designs to save costs for surface treatment

    Range of shaft dimensions

    • 12 ~ 200 mm

    •  

      Part #
      		 d Shaft Range D  h1 ± 0.8 h ± 0.8 H ± 1.6
      SJ-12 12 11.93 ~ 12.07 20.0 6.0 8.4 12.0
      SJ-15 15 14.96 ~ 15.06 19.1 5.0 9.0 11.0
      SJ-17 17 16.94 ~ 17.04 22.2 8.0 11.0 51.0
      SJ-18 18 17.89 ~ 18.00 27.0 8.0 11.0 46.0
      SJ-20 20 19.94 ~ 20.04 23.6 8.0 11.0 51.0
      SJ-22 22 21.87 ~ 22.00 30.2 8.0 12.0 46.0
      SJ-25 25 24.94 ~ 25.04 33.0 8.0 11.0 51.0
      SJ-26 26 25.87 ~ 26.00 33.3 8.0 12.0 46.0
      SJ-28 28 27.94 ~ 28.04 34.9 9.5 12.7 71.0
      SJ-30 30 29.95 ~ 30.07 35.6 8.0 11.0 17.0
      SJ-32 32 31.93 ~ 32.08 38.0 8.0 11.1 18.0
      SJ-35 35 34.93 ~ 35.08 41.6 13.0 16.0 20.0
      SJ-36 36 35.84 ~ 36.00 42.9 13.0 17.0 25.0
      SJ-38 38 37.84 ~ 38.00 45.2 13.0 17.0 25.0
      SJ-40 40 39.93 ~ 40.08 47.0 13.0 16.0 26.0
      SJ-42 42 41.86 ~ 42.00 53.0 14.3 17.5 21.0
      SJ-45 45 44.93 ~ 45.09 53.0 14.0 17.0 21.0
      SJ-48 48 47.92 ~ 48.08 56.0 14.0 17.0 25.0
      SJ-50 50 49.91 ~ 50.06 57.0 14.0 17.0 25.0
      SJ-55 55 54.91 ~ 55.07 62.0 20.0 23.0 32.0
      SJ-60 60 59.92 ~ 60.07 70.7 20.0 23.0 35.0
      SJ-62 62 61.85 ~ 62.00 71.8 12.7 15.9 36.0
      SJ-65 65 64.92 ~ 65.07 72.4 20.0 23.0 35.0
      SJ-70 70 69.93 ~ 70.08 79.4 20.0 24.0 32.0
      SJ-75 75 74.93 ~ 75.08 84.0 22.0 26.0 33.0
      SJ-80 80 79.91 ~ 80.09 90.0 21.0 24.0 35.0
      SJ-85 85 84.78 ~ 85.00 94.0 21.0 25.0 35.0
      SJ-90 90 89.92 ~ 90.07 101.6 23.0 28.0 44.0
      SJ-95 95 94.92 ~ 95.07 102.2 21.0 24.0 44.0
      SJ-100 100 99.85 ~ 100.10 110.0 20.6 25.4 52.0
      SJ-105 105 104.90 ~ 105.11 113.5 20.0 23.0 35.0
      SJ-110 110 109.90 ~ 110.10 125.0 12.9 16.5 31.0
      SJ-115 115 114.88 ~ 115.09 127.0 20.6 23.8 32.0
      SJ-120 120 119.89 ~ 120.09 129.8 20.0 25.0 32.0
      SJ-125 125 124.89 ~ 125.10 137.2 26.0 32.0 37.0
      SJ-130 130 129.98 ~ 130.18 139.5 22.0 25.3 33.0
      SJ-135 135 134.79 ~ 135.00 149.2 20.5 25.4 32.0
      SJ-140 140 139.90 ~ 140.11 151.0 20.5 25.5 32.0
      SJ-150 150 149.75 ~ 150.00 159.0 26.0 30.0 34.0
      SJ-155 155 154.75 ~ 155.00 167.0 26.0 30.0 33.0
      SJ-160 160 159.97 ~ 160.23 177.8 25.4 31.8 46.0
      SJ-165 165 164.97 ~ 165.23 177.8 25.4 31.8 44.0
      SJ-170 170 169.75 ~ 170.00 182.6 31.8 38.0 55.0
      SJ-175 175 174.75 ~ 175.00 187.0 28.0 32.0 35.0
      SJ-180 180 179.76 ~ 180.00 190.5 33.0 38.0 45.0
      SJ-185 185 184.73 ~ 185.00 199.0 32.0 38.0 55.0
      SJ-200 200 199.87 ~ 200.13 212.7 34.5 38.1 44.0

    Shaft Sleeve

    Stainless steel, AISI 304 (1.4301), SUS 304 

    Mounting Tool

    Carbon steel, SAE 1008 (1.0330), SPCC

    The operational application limits such as temperature, circumferential speed and pressure are determined by the rotary shaft seal selected. As a rule, the Shaft-Sleeve covers the operating parameters for all standard rotary shaft seals.

    Installation sequence

    1. Clean the seal counterface surface on the shaft. File down any burrs or rough spots and make sure that the sleeve will not be installed over keyways, cross holes, splines or similar;

    2. Measure the diameter on an unworn portion of the shaft where the sleeve will be positioned. Measure in three positions and average the readings to make sure the shaft is within recommended specifications;

    3. If the shaft is deeply scored, fill the groove with a powdered metal epoxy-type filler; (Install the sleeve before the filler hardens, enabling the sleeve to wipe off any excess filler. Clean away any remaining filler from the sleeve outside diameter surface.)

    4. The flange end of the sleeve goes on the shaft first. Then, place the installation tool over the sleeve; (NOTE: It should be repeated that heat should never be used to install Shaft-Sleeve. )

    5. Gently tap the center of the installation tool until the sleeve covers the worn shaft surface;

    6. If necessary, cut the mounting flange using side cutters up to the design breaking point and break off the flange at the line;

    7. After the sleeve is installed, check again for burrs that could damage the seal;

    8. Lubricate the sleeve with the system medium before installing the seal.

    Removing Instructions

    • Suggested: by applying heat to the sleeve with an electric heat blower, which will expand it enough to let it slide off the shaft without causing any damage to the shaft.

    • Alternative：

      • by relieving the press-fit tension using a small hammer to peen across the full width of the sleeve;

      • by using a cold chisel to cut through the sleeve;

      • by using a pair of wire cutters starting at or near the flange and applying a twisting motion.

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