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Plain bearing TB-PTFE
Straight PTFE multilayer plain bearings are self-lubricating and have very low friction, allowing operation without lubrication.
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Straight three-layer bearing with a copper-plated steel backing, a thin intermediate bronze layer, and a thin PTFE sliding layer on the inner surface This material is best suited for applications with rotating or oscillating movement where additional lubrication is not possible. The bearing material has very low friction and good chemical resistance. These bearings are suitable for many standard applications where additional lubrication is difficult to arrange.
Load:
Static 250 N/mm²
Dynamic 140 N/mm²
Oscillating 60 N/mm²
Maximum speed:
With oil: >2.5 m/s
With grease: 2.5 m/s
Friction:
0.03 – 0.20 μ
Tolerance:
Housing tolerance H6/H7
Recommended shaft tolerance f7 or h8
Lubrication:
TB-PTFE bearings are primarily used without additional lubrication.
Lubricants containing molybdenum disulfide (MoS₂) or graphite additives should be avoided.
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