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POLYURETHANE COVERED YOKE ROLLER RESOURCES

Browse our collection of Polyurethane Covered Yoke Roller resources below to find detailed information on each type, including specifications, applications, customization options, FAQs, and more.

Specifications

Polyurethane Covered Yoke Roller Models

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Name	Outside Diameter	Roller Width	Bore Diameter	2D Download Action Type	File Datasheet	Model Download (3D STP)
YR-699-XXX	2.750"	1.500"	0.750"	Standard Models	MERIDIAN-LABORATORY-ML6-YR-699-XXX.pdf	Yes
Custom Polyurethane Covered Yoke Rollers	1" to 17" Outside Diameter	Up to 6" Long	Wide variety of SAE & Metric sizes available
YR-691-XXX	2.500"	1.250"	0.625"	Standard Models	MERIDIAN-LABORATORY-ML6-YR-691-XXX.pdf	Yes
YR-679-XXX	2.125”	1.000”	0.500"	Standard Models	MERIDIAN-LABORATORY-ML6-YR-679-XXX.pdf	Yes
YR-683-XXX	2.250”	1.250”	0.625"	Standard Models	MERIDIAN-LABORATORY-ML6-YR-683-XXX.pdf	Yes
YR-667-XXX	1.750”	0.875”	0.438"	Standard Models	MERIDIAN-LABORATORY-ML6-YR-667-XXX.pdf	Yes
YR-675-XXX	2.000”	1.000”	0.500"	Standard Models	MERIDIAN-LABORATORY-ML6-YR-675-XXX.pdf	Yes
YR-659-XXX	1.500”	0.750”	0.375"	Standard Models	MERIDIAN-LABORATORY-ML6-YR-659-XXX.pdf	Yes
YR-651-XXX	1.250”	0.625”	0.313"	Standard Models	MERIDIAN-LABORATORY-ML6-YR-651-XXX.pdf	Yes
YR-643-XXX	1.000”	0.500”	0.250"	Standard Models	MERIDIAN-LABORATORY-ML6-YR-643-XXX.pdf	Yes

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Where to Purchase ML6 Polyurethane Covered Yoke Rollers?

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FAQs

Common Polyurethane Polyurethane Covered Yoke Roller Questions

Do you offer cam followers and yoke roller types other than the standard ones listed? (Stainless steel, Metric, crowned, eccentric, one-way, etc)

Yes, we can provide and overmold a variety of cam follower types beyond the standard offerings. Contact us and let us know your specs and we’ll source or work with your supplied parts.

Can you mold to other bearing brands, types, or price points not listed? Can I send you bearings to overmold?

Yes, we can overmold onto virtually any bearing or component, even if it’s not listed in our catalog offering. This allows us to hit any price and performance requirements an application might have. We can source bearings and provide the coated bearings complete, or have bearings provided to us for overmolding. Contact us to learn more.

Can ML6® bond to various materials like metals and plastics?

Yes, ML6® bonds exceptionally well to metals and plastics when properly prepared. We use proprietary bonding processes and surface treatments to ensure a durable, long-lasting bond to materials such as steel, aluminum, stainless steel, bronze, brass, and engineering plastics. Contact us to learn more.

Is an exterior surface prep like knurling required on cores for overmolding?

No external surface prep like knurling is required. Our proprietary bonding process chemically adheres ML6® to properly cleaned core surfaces, ensuring superior bond strength without the need for mechanical retention. If you send in your cores to be overmolded, Meridian Laboratory will handle all necessary surface preparation. Contact us to learn more.

What materials do you overmold?

We overmold a wide variety of core materials including aluminum, steel, stainless steel, brass, plastic, and composites. Proper surface preparation, done prior to molding, ensures a reliable bond across all substrates. Contact us to learn more!

Can you produce fully finished parts including the cores?

Yes, Meridian Laboratory supplies complete parts made to your exact requirements. We machine and supply metal and plastic cores, then overmold them with ML6® polyurethane to produce turnkey components that are ready to install. Contact us to learn more!

Properties

ML6 Polyurethane Material Properties

	ML6-40A	ML6-55A	ML6-70A	ML6-80A	ML6-90A	ML6-60D	ML6-75D
Specified Durometer	40A	55A	70A	80A	90A	60D	75D
Hardness Range	35 – 45	50 – 60	72 – 78	75 – 85	85 – 95	55 – 65 (Shore D)	65 – 75 (Shore D)
Abrasion Resistance (Rotary Drum) Volume Loss (mm²)	N/A	75.51 – 92.29	59 – 96	40.95 – 50.05	43.74 – 53.46	91.8 – 112.2	N/A
Ultimate Elongation (%)	423 – 517	414 – 506	0 – 0	522 – 638	378 – 462	391.6 – 470.8	226.6 – 273.9
Stress at 100% Elongation (PSI)	175.5 – 214.5	319.5 – 390.5	408 – 515	612 – 748	1291.5 – 1578.5	3272.5 – 3533.2	5592.4 – 5957.6
Stress at 300% Elongation (PSI)	355.5 – 434.5	670.5 – 819.5	536 – 1371	1309.5 – 1600.5	3177 – 3883	4587 – 6052.2	N/A
Tensile Strength	1368 – 1672	4293 – 5247	3792 – 7176	6772.5 – 8277.5	7272 – 8888	5813.5 – 7333.7	7883.7 – 8176.3
Tear Strength, pli Die “C”	144 – 176	238.5 – 291.5	285 – 416	423 – 517	612 – 748	757.9 – 820.6	960.3 – 961.4
Split	13.5 – 16.5	39.6 – 48.4	26 – 79	79.2 – 96.8	143.1 – 174.9	282.7 – 424.6	234.3 – 256.3
Compression Modulus (Young’s Modulus)	N/A	N/A	N/A	N/A	N/A	23545.8 – 28778.2	53988.3 – 65985.7
Compression Set (% 22 Hrs. @ 158ºF)	N/A	5	16.2 – 19.8	26	26	37.8 – 46.2	N/A
Bashore Rebound (%)	38.7 – 47.3	19.8 – 24.2	20-31	23.4 – 28.6	24.3 – 29.7	52.2 – 63.8	54.9 – 67.1