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Fork spare parts - Internal parts
Fork bushings, Front fork guide bushes, PTFE inner bushings, Guide bushings stem

€10.81 - €11.81

PTFE fork stanchion guide bushing inner 39 mm - 39 x 43 x 20 SHOWA (SP-UN03513) SP-UN03513

ptfe-fork-stanchion-guide-bushing-inner-39-mm

€11.81 (In Stock)

PTFE fork stanchion guide bushing inner 39 mm - 39 x 43 x 15 SHOWA (SP-UN03512) SP-UN03512

ptfe-fork-stanchion-guide-bushing-inner-39-mm

€10.81 (In Stock)

PTFE fork stanchion guide bushing inner 39 mm - 39 x 43 x 15 SHOWA (SP-UN03512) SP-UN03512

ptfe-fork-stanchion-guide-bushing-inner-39-mm

€10.81 (In Stock)

Part no. SP-UN03512 | SP-UN03513 | SP-UN03515
Steel guide bushings with high-quality internal coating, selected from the best standardized products as well as those produced to AlcoTech specifications. The PTFE-based sliding surface allows for operation with a low coefficient of friction (minimized stick-slip effect) and reduces wear on the counter-surface.

Features:
  • Static load limit: N/mm² 250
  • Dynamic load limit: N/mm² 140
  • Permissible sliding speed: m/s 2.0 (p = 1.0)
  • Coefficient of friction: m 0.02 - 0.25
  • Operating temperature: -200° / +280°C max
  • High chemical resistance
  • Thermal stability
  • Maintenance-free
Application advice:
  • Shaft tolerance: f7 – h8
  • Housing tolerance: H7
  • Shaft roughness: Ra, µm 0.05 - 0.5
  • Shaft hardness: HB 300 – 600

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