spring rod bushing,guide rod bushing

spring rod bushing,guide rod bushing 

JF series bushing is made of duple layer composites:

Quality low-carbon steel as base, and multi-times rolled porous copper alloy surface layer.

The products are special designed for heavy duty, such as auto engines, transmission gearbox, construction machinery, agriculture machinery, etc.

Features:

1. High fatigue and impact bearing capacity

2. High loading capacity

3. Lubricating grooves design

4. Working temperature range: -40^oC~+250^oC

5. Size from 1010 to 14890/143100

Material code      Standard                Alloy hardness

JF800            JIS-LBC3/SAE-797         HB70-100

JF720            JIS-LBC6/SAE-799         HB45-70

JF700            JIS-KJ3/SAE-8               HB30-45

JF20             JIS-AJL/SAE-783            HB30-40

Specifications:

Max. dynamic loading capacity :         140N/mm²

Max. static loading capacity :              250N/mm²

Max. linear speed :                             2m/s

Friction coefficient :                             0.08~0.20

Max. PV(N/mm²·m/s) :                      2.8(Oil lubricating)

Breaking load :                                  350N/mm²

Yieid point :                                       240N/mm²

^{Other Bushing are available too:}