L. V. Locking Devices
Andheri East, Mumbai, Maharashtra
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Sugar Mill Spares

Prominent & Leading Manufacturer from Mumbai, we offer bearing liner.

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Approx. Rs 500  / Piece Get Latest Price

Spherical and Rod End bearings with PTFE Liner were first introduced in the 1950s. As it is referred "self lubricating liners", bearings equipped with PTFE Liner don't require any grease charging at all, since the PTFE Liner itself is self lubricating. In addition, PTFE Liner has excellent abrasion resistance.

PTFE

PTFE stands for Poly Tetra Fluoro Ethylene. PTFE Resin is chemically stable and has good heat resistance and high insulation properties. It performs with excellent friction coefficient of 0.03~0.05 under 288 °C , however tensile strength is relatively low (34N / mm2 { 3.5kgf / mm2 }). Therefore, to reinforce its performance, PTFE Liners are utilized which have a tensile strength of 343N / mm2 { 35kgf / mm2 }.
PTFE Liners have a woven textile backing (Glassfibers or other synthetic fibers) with phenolic resin impregnated. With thermosetting bonding agent applied on reverse side, PTFE Liners are bonded with base metal. This process is called CURING. Cured PTFE Liners can accept up to 482N / mm2 { 49.2kgf / mm2 } under static load and 220~275N / mm2 {22.5~28.1kgf / mm2} under slow fluctuation velocity. The bonding force can bear minimum of 3.5N / cm { 2lbs / inch }.
Therefore the PTFE lined bearings advance Metal/Metal type especially where static load is applied.

* Requirement of AS specification.

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VISHAL PARAB(DIRECTOR)
B-21, Giriraj Industrial Estate Mahakali Caves Road
Andheri East, Mumbai - 400093
Maharashtra, India
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