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Manufactured In Aluminum Or Stainless Steel As Well As Plastics And Other Non-Metallic Materials

Polyurethane Hubless Drive Rollers

Hubless Polyurethane Drive Rollers

Meridian Laboratory ML6 precision polyurethane hubless drive rollers are ideal for situations and applications which are space sensitive or where you wish to maximize the contact surface of rollers against its contact material. Standard sizes available in 6061 aluminum or 304 stainless steel, but are offered as well in plastics and other non-metallic materials.  Precision molded with tolerances of 0.0015” or better, they are available in a variety of standard sizes and custom profiles as well.  Also see our complete lineup of hubbed drive rollers.

Custom sizes and profiles are available very affordably, with turnaround times in as little as 5 days.

ML6 polyurethane drive wheels are available in a variety of sizes, colors, and durometers to meet any of your most demanding requirements.

Hardness (+/- 5)40A55A70A80A90A60D
Ultimate Elongation (%)600590615650450600
Ultimate Tensile (PSI)1,5003,5006,5006,50072506400
Tear Strength, pli Die "C"90128370420500620
Compression Modulus (Young's Modulus)--200300578516200
Compression Set (%
22 Hrs. @ 158ºF)

For more information, contact Meridian Laboratory

  • Molded finish provides perfect surface finish
  • Increased longevity and reduced tear-off over ground finishes
  • I.R. guaranteed <0.0015” or better
  • Non-marking, durable polyurethane ML6 material
  • Bond strength to core is stronger than polyurethane ML6 material
  • Available in variety of colors and durometers
  • Mailroom equipment
  • Press room manufacturing and production equipment
  • Paper feeders
  • Plastic film extrusion equipment
  • Automated packaging machinery
  • Nuclear fuel rod insertion
Hardness Options
40A, 55A, 70A, 80A, 90A

Click to learn more about durometers

Standard Hubless Polyurethane Drive Wheels

Generic Hubless Drive Roller

Part #Durometer (Specify as 'D' in Part #)Roller Diameter (OD)Roller Width (WD)Bore Diameter (ID)Core Diameter (CD)Set Screws
Custom / MetricNot seeing what you need? Contact Meridian Laboratory – standard and custom solutions with no minimum order quantity, delivered in as little as 5 days!
AL-820-D40/55/70/80/90A0.375"0.250"0.125"0.3125"4-40 (1x)
AL-821-D40/55/70/80/90A0.500"0.250"0.1875"0.390"6-32 (1x)
AL-822-D40/55/70/80/90A0.500"0.250"0.250"0.390"6-32 (1x)
AL-823-D40/55/70/80/90A0.500"0.375"0.1875"0.390"6-32 (1x)
AL-824-D40/55/70/80/90A0.500"0.375"0.250"0.390"6-32 (1x)
AL-825-D40/55/70/80/90A0.500"0.500"0.1875"0.390"6-32 (1x)
AL-826-D40/55/70/80/90A0.500"0.500"0.250"0.390"6-32 (1x)
AL-827-D40/55/70/80/90A0.625"0.250"0.1875"0.500"6-32 (1x)
AL-828-D40/55/70/80/90A0.625"0.250"0.250"0.500"6-32 (2x)
AL-830-D40/55/70/80/90A0.625"0.375"0.1875"0.500"6-32 (1x)
AL-831-D40/55/70/80/90A0.625"0.375"0.250"0.500"6-32 (2x)
AL-832-D40/55/70/80/90A0.625"0.500"0.1875"0.500"6-32 (1x)
AL-833-D40/55/70/80/90A0.625"0.500"0.250"0.500"6-32 (2x)
AL-834-D40/55/70/80/90A0.625"0.625"0.1875"0.500"6-32 (2x)
AL-835-D40/55/70/80/90A0.625"0.625"0.250"0.500"6-32 (2x)
AL-836-D40/55/70/80/90A0.750"0.375"0.250"0.500"6-32 (2x)
AL-837-D40/55/70/80/90A0.750"0.500"0.250"0.500"6-32 (2x)
AL-838-D40/55/70/80/90A0.750"0.625"0.250"0.562"6-32 (2x)
AL-840-D40/55/70/80/90A0.750"0.750"0.250"0.500"6-32 (2x)
AL-841-D40/55/70/80/90A1.000"0.250"0.250"0.750"6-32 (2x)
AL-842-D40/55/70/80/90A1.000"0.500"0.250"0.750"8-32 (2x)
AL-843-D40/55/70/80/90A1.250"0.250"0.3125"1.000"6-32 (2x)
AL-844-D40/55/70/80/90A1.250"0.750"0.3125"1.000"8-32 (2x)
AL-845-D40/55/70/80/90A1.625"0.250"0.375"1.375"8-32 (2x)
AL-846-D40/55/70/80/90A1.625"0.750"0.375"1.375"10-32 (2x)
AL-847-D40/55/70/80/90A2.000"0.250"0.375"1.750"8-32 (2x)
AL-848-D40/55/70/80/90A2.000"0.750"0.375"1.750"10-32 (2x)
AL-850-D40/55/70/80/90A2.500"0.375"0.500"2.25"10-32 (2x)
AL-851-D40/55/70/80/90A2.500"1.000"0.500"2.25"1/4"-28 (2x)