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Split plummer block housings, SONL series

Split plummer block housings, SONL series

SONL plummer (pillow) block housings are specially designed for oil lubrication. They can accommodate high temperatures and bearings operating at high speeds. They have a strong, stiff design and are characterized by a number of built-in features that maximize the effects of the lubricant and extend bearing service life.

SONL housings can be found in applications ranging from fans and flywheels to paper machines and emergency power generators.

Bearing types

Self-aligning ball bearings

Spherical roller bearings

CARB toroidal roller bearings

Bearing dimension series


Shaft diameter range

75 to 240 mm

2 15/16 to 8 15/16 in.

Typical shaft-bearing combinations

Plain shaft with bearing on an adapter sleeve

Stepped shaft with bearing on a cylindrical seat




Oil bath lubrication with a pick-up ring

Circulating oil lubrication systems


Grey cast iron

Spheroidal graphite cast iron


Four-bolt mounting

Compliance to standards

Not standardized


SOFN in the 2(00) and 5(00) series