RENK Pedestal bearings type EG-ER

Pedestal bearing housings, i.e., housings intended to be positioned on foundation constructions, are widely used in general mechanical engineering applications. The housings up to size 45 are designed with finned surfaces to allow for the best possible dissipation of heat to the surrounding air.

Self-coolingbearing designs are still feasible for numerous applications in this size range. Sizes 18 to 45 are available with either a finned or smooth surface, and with smooth surfaces only from size 56 and up. The simpler, smooth design is always sufficient when the lubricant is cooled externally (external lubrication systems).
Click on image to enlarge


Technical Data

 EG bearing
 Unfinned pedestal bearing acc. to DIN 31690 / ISO 11687-1
 9 … 28, for shafts Ø55 … 355 mm
 35 … 45, for shafts Ø300 … 560 mm
Lubrication:  Self-lubricating (loose oil ring, fixed oil ring) or external lubrication
Cooling system:  Natural cooling, water cooling, or external cooling
Bore design:
 Various bore designs as required, e.g. cylindrical bore, two-lobe bore, four-lobe bore, or radial   tilting  pad
Options:  Electric insulation, lubricant circulation system, hydrostatic jacking
Accessories:  Temperature monitoring with PT100, prepped for vibration/speed sensors

Additional Information

Bearing Housing
Depending on the operating conditions, the housings are supplied either with fins or as a smooth design. (Flange bearings are finned design only).
The housing are to be considered as “main module“ in the E-Type bearing unit composed system and when they are combined with different “complementary modules“, such as shell, lubricating ring, thermometer and other accessories, additional machining is frequently unnecessary.
Even in special cases (e.g.the fitting of oil coolers or vibration detectors) finish machined housings are taken from stock and provided with additional connection holes. Tapped holes for thermometer, oil inlet and outlet, oil level, oil sump thermometer or circulating pump suction piping are provided on either side of the housing.