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  • Nyflex® Type Coupling Hubs w/ Keyway - Metric
  • Nyflex® Type Coupling Hubs w/ Keyway - Metric-2
Lovejoy / Sier-Bath Nyflex® and Mite®
    Lovejoy / Sier-Bath Nylon couplings are compact and require no lubrication. They operate over a wide temperature range at speeds up to 5,000 RPM and are effectively used in applications such as Motor/ Generator sets, pump sets, and many light to medium duty industrial coupling applications.

    No lubricants are ever required, eliminating the need for seals. The resilient nature of the nylon material makes the contact of the hubs and sleeves almost frictionless. Since no lubrication is used, the coupling can readily be adapted to many applications including vertical and blind installations where the slip-together components offer easy inspection and adjustment.
    Operationally, the coupling offers a minimum backlash solution that will operate in ambient temperature environments from -40° to 150° F. Nylon Sleeve couplings have precision molded sleeves and hubs with no bolts, pins, flanges, or protrusions to affect balance or safety. The nylon sleeve permits misalignment up to 5° for Dentex and Nyflex couplings and 3° for the Mite.
    When completely assembled, the Mite coupling weighs less than 1lb and the Nyflex only 3.50 lbs.
    The Nyflex and Mite coupling consists of two sintered iron flex hubs, one Nylon sleeve and two Spiirolox rings.
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Bore Size  (in)

Part Number

Description 

Bore Size 

Set Screw Style Coupling Size (Dimension T)

Overall Length

Length thru Bore

Outside Diameter

Max. Bore (Dimensions ID1/ID2)

N/A NYFL-HUB-1"-1/4X1/8KW N/A 1 in N/A 1/4-20 N/A 3.380 in85.85 mm N/A 1.630 in41.40 mm N/A 3.750 in95.25 mm N/A 1.625 in41.28 mm
N/A NYFL-HUB-1/2-1/8X1/16KW N/A 1/2 in N/A 1/4-20 N/A 3.380 in85.85 mm N/A 1.630 in41.40 mm N/A 3.750 in95.25 mm N/A 1.625 in41.28 mm
N/A NYFL-HUB-1-1/2-3/8X3/16KW N/A 1 1/2 in N/A 5/16-18 N/A 3.380 in85.85 mm N/A 1.630 in41.40 mm N/A 3.750 in95.25 mm N/A 1.625 in41.28 mm
N/A NYFL-HUB-1-1/4-1/4X1/8KW N/A 1 1/4 in N/A 1-/4-20 N/A 3.380 in85.85 mm N/A 1.630 in41.40 mm N/A 3.750 in95.25 mm N/A 1.625 in41.28 mm
N/A NYFL-HUB-1-1/8-1/4X1/8KW N/A 1 1/8 in N/A 1-/4-20 N/A 3.380 in85.85 mm N/A 1.630 in41.40 mm N/A 3.750 in95.25 mm N/A 1.625 in41.28 mm
N/A NYFL-HUB-1-3/16-1/4X1/8KW N/A 1 3/16 in N/A 1-/4-20 N/A 3.380 in85.85 mm N/A 1.630 in41.40 mm N/A 3.750 in95.25 mm N/A 1.625 in41.28 mm
N/A NYFL-HUB-1-3/8-5/16X5/32KW N/A 1 3/8 in N/A 5/16-18 N/A 3.380 in85.85 mm N/A 1.630 in41.40 mm N/A 3.750 in95.25 mm N/A 1.625 in41.28 mm
N/A NYFL-HUB-1-5/8-3/8X3/16KW N/A 1 5/8 in N/A 1-/4-20 N/A 3.380 in85.85 mm N/A 1.630 in41.40 mm N/A 3.750 in95.25 mm N/A 1.625 in41.28 mm
N/A NYFL-HUB-1-7/16-3/8X3/16KW N/A 1 7/16 in N/A 5/16-18 N/A 3.380 in85.85 mm N/A 1.630 in41.40 mm N/A 3.750 in95.25 mm N/A 1.625 in41.28 mm
N/A NYFL-HUB-3/4-3/16X3/32KW N/A 3/4 in N/A 1-/4-20 N/A 3.380 in85.85 mm N/A 1.630 in41.40 mm N/A 3.750 in95.25 mm N/A 1.625 in41.28 mm
N/A NYFL-HUB-5/8-3/16X3/32KW N/A 5/8 in N/A 1-/4-20 N/A 3.380 in85.85 mm N/A 1.630 in41.40 mm N/A 3.750 in95.25 mm N/A 1.625 in41.28 mm
N/A NYFL-HUB-7/8-3/16X3/32KW N/A 7/8 in N/A 1-/4-20 N/A 3.380 in85.85 mm N/A 1.630 in41.40 mm N/A 3.750 in95.25 mm N/A 1.625 in41.28 mm
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