Bushing BM (Steel + Sintered Bronze + PTFE)
pdf Catalog Bushing BM.pdf
COMPOSITION=STEEL/SINTERED BRONZE/ PTFE
HIGH MECHANICAL RESISTANCE: GOOD ELECTRICAL AND THERMAL CONDUCTIBILITY. CHEMICAL RESISTANCE TO INDUSTRIAL SOLVENTS. FLUID PRESENCE INCREASES PERFORMANCE. STICK SLIP ALMOST ABSENT. SHAFTS RECOMMENDED IN IRON ALLOY, STAINLESS STEELS, CHROME PLATED OR ANODIZED ALUMINUM; NOT RECOMMENDED IN BRONZE, ALUMINUM AND PHOSPHATE-COATED AND NICKEL PLATED (MAX ROUGHNESS 0,24 µ CLA).
RECOMMENDED SHAFT TOLERANCES:
Ø3-Ø4=h6
Ø5-Ø75=F7
Ø80-Ø300=h8
RECOMMENDED SEAT TOLERANCES:
Ø3-Ø4=H6
Ø5-Ø300=H7
MAX STATIC LOAD |
150 N/MMᶻ |
MAX DYNAMIC LOAD |
N/MMᶻXM/SEC<=1.5 |
MAX SLIDING SPEED |
2,5M/SEC. |
WORKING TEMPERATURE |
-200/+290°c |
THERMAL CONDUCTIVITY |
46W/MXK |
FRICTION FACTOR |
0,03-0,25 |
LINEAR EXPANSION COEFFICIENT |
10X10-6/K |