The bearing pads shall be manufactured of all new (unused) materials and composed of multiple layers of prestressed 50/50 cotton-polyester blend duck, 8.1 ounce per net square yard, duck warp count 50 ± 1 threads per inch and filling count 40 ± 2 threads per inch, impregnated and bound with a high quality, oil-impervious nitrile rubber compound, containing rot and mildew inhibitors and anti-oxidants, compounded into resilient pads of uniform thickness. The pads shall withstand compressive loads perpendicular to the plane of laminations of not less than 10,000 psi before breakdown.
Vibsorb Vibration Absorption Pad with PTFE is the same Cotton Duck pad with the addition of a virgin layer of PTFE bonded to the pad surface.
The bearing pads shall be manufactured of all new (unused) materials and composed of multiple layers of prestressed 50/50 cotton-polyester blend duck, 8.1 ounce per net square yard, duck warp count 50 ± 1 threads per inch and filling count 40 ± 2 threads per inch, impregnated and bound with a high quality, oil-impervious nitrile rubber compound, containing rot and mildew inhibitors and anti-oxidants, compounded into resilient pads of uniform thickness. The pads shall withstand compressive loads perpendicular to the plane of laminations of not less than 10,000 psi before breakdown.
Benchmark Stocks plain and shimmed bearings are available in standard Shore A durometers of 50, 60 or 70 based on state and/or AASHTO Code, Section 18, natural rubber or neoprene. For economy, a commercial grade is also available.
PTFE-surfaced neoprene-backed slide bearings are also available. Type CSA material is recommended bonded to a 10-gauge steel laminate which has been bonded to neoprene.
Vibsorb ROF PAD will substitute for neoprene in areas where vibration or heavier loads are present. The random fiber material is well suited to concrete construction as a cost-saving alternative to neoprene or preformed fabric pads. Type TTC materials may be provided with holes, slots or PTFE surfaces.
Vibsorb ROF PAD will substitute for neoprene in areas where vibration or heavier loads are present. The random fiber material is well suited to concrete construction as a cost-saving alternative to neoprene or preformed fabric pads. These all purpose bearing pads have high grade virgin PTFE bonded to them to add a low friction layer to the bearing surface.
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PTFE sliding bearings are an essential part of any load bearing structure that is likely to experience either thermal or mechanical movement.
Vibsorb PTFE Slide Bearings are typically a 2 part assembly. The upper section is Stainless Steel bonded to carbon steel and the lower section is Vibsorb PTFE bonded to Carbon Steel.
Sliding Bearings are usually employed for loads within 100 Tonnes
Vibsorb WP Vibration Dampening and Isolation Pads have a unique, two-sided design that allows the material to expand without significant creep and compromising on stability.
Vibsorb Waffle pads are used typically for lathes, drills, milling machines and more. Waffle pads can be bonded to a wide range of thickness’s and Benchmark will typically include steel shims to control shape factor.
PTFE Slide Bearing systems offer a low profile solution for allowing relative movement between structural elements….
A slide bearing comprises an upper element and a lower element, which operate by sliding against one another. The upper element is generally larger than the lower element by the amount….
Benchmark provides neoprene and natural rubber elastomeric bearing pads to provide structural support in bridges, as well as in commercial…
High damping rubber bearing (HDR), similar with lead rubber bearing, belongs to seismic isolation bearing. It is composed of special rubber with excellent damping attribute, sandwiched together with layers of steel. Damping is an influence within or…
Graphite is a natural product of pure carbon. Graphite, although a solid, has long been utilized as a dry lubricant. Coupled with its ability to withstand extremely…
This range of bearings meets the needs for low-profile, cost-effective sliding units. Series TXNR bearings are utilized in buildings, parking garages, subways, and similar structures where slabs are supported by bearing walls or corbels. They are designed for light loads and minimal movements, with no rotation capacity needed
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Yes! Our self-lubricating bearings contain embedded lubricants for maintenance-free operation in hard to-access locations.
Our engineered solutions support from 5kN to over 5000kN, with custom options available for extreme conditions.
bridge slide bearings
building slide bearings
expansion bearing systems