Backing bearings are particularly thick outer ring of the rolling bearing, when used to form a group to be mounted on the shaft of a stationary support rollers. Pressure on the work roll through the intermediate roller and the support roller is passed to the system to the rack through the saddle. Generally used for multi-roll cold rolling mill equipment can also be used for other occasions, such as straightening machine.
2013年7月23日星期二
Supply Radial needle roller and cage assemblies
Radial needle roller and cage assemblies (needle bearing) is independent of the rolling element cage two broad guide spacing, both
Precision guided needle, but also to maintain the correct position of needle. This kind of bearing for the shaft and housing bore can serve as raceways occasions, only
Slewing bearing and housing bore raceway processed to the required dimensions and geometric precision, you can ensure a high rotational accuracy minimum space
.
Main structure:
Structural features bearing code
K / KS single / single split
KK / KKS double row / double row split
KZK connecting rod with crank pin
KBK connecting rod with piston pin
KNL long cylindrical roller and hold assemblies
DF Radial needle roller and cage assemblies with a single K-type double row K. ..... ZW type, but also in the whole cage can not be installed, you can
Using a special mesh-type needle roller and cage assembly Bearing Rear add "D", namely K. ..... D, K. ..... ZWD.
Pre-Code:
KBK-piston pin with needle roller and cage assemblies
KZK-crank pin with needle roller and cage assemblies
WJ-inch needle roller and cage assemblies
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