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SD

Precision Housings

These housings are designed for the installation of larger spherical roller bearings. Equipped with specialized labyrinth rings for effective sealing, they ensure optimal security. Inserted round cords between the labyrinth ring and shaft enable synchronized rotation of the sealing rings with the shaft. For housings at shaft ends, a gray cast iron end cover is provided in place of the labyrinth ring. Upon request, these housings can also be adapted for oil lubrication, featuring inlets on both housing halves. The precisely machined bearing seat in the housing adheres to tolerance class H8

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Installation types

Precision Redefined

The split SD-Housings blocks are designed for loading directions perpendicular to the mounting surface.  SD-Housings available for tapered and cylindrical Spherical Roller Bearings

150
400
In the SD pillow block housings, bearings with a shaft diameter ranging from 150 to 400 mm can be accommodated.

Spherical roller bearing

222..K
222..CC
230..K
230..CC
231..K
231..CC
Spherical roller bearings of series 222..K, 222..CC, 230..K, 230..CC, 231..K, 231..CC can be used.

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Benefits

Peak Performance

Our SD-housings deliver optimal performance and reliability through a robust construction and efficient heat dissipation. An ideal solution for applications requiring robustness, heat dissipation, and heavy loadings. Several seal-arrangements are availble to meet your requirements.

SD Plummer block housings with standard TS-Rings are designed for grease lubrication. To optimize protection against dust, humidity and particle Taconoite-Seals are available. For higher loadability we offer spheroidal cast iron in grade FCD450 and cast steel GS45.

Tailored Seal Options

You can choose between different Seal arrangements. TS-Rings are labyrinth-seals for high-speed, max temperature of 200°C and bigger particles. If it comes to operation under humidity conditions you have to choose Taconite seal like our TAC - Seal for excample

TAC

TNF

TS

Material

Features of GG20

GG20 offers excellent machinability and is highly heat and corrosion-resistant. Additionally, this material provides outstanding finishing capabilities and exhibits excellent properties concerning sound and vibration damping. However, its strength and wear resistance are limited.

Mechanical properties
Up to

200n/mm2

Tensile strength
Up to

0,3-0,8%

Elongation strength
Up to

400n/mm2

Yield strength
Up to

800n/mm2

Pressure resistance
Up to

170-210kg/mm2

Brinell hardness
Up to

100kn/mm2

Elasticity modules
The Pillow block housings are manufactured from GG20 gray cast iron as the standard material.
Standards / Designations
EN 1561 SYM (EU)
EN-GJL-200
EN 1561 NR (EU)
EN-JL1030
DIN 1691 (DE)
GG20
MATERIAL NUMBER (DE)
0.6020 (DE)
ASTM A48 (US)
30 B
ALT
GG 20, GG-20

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Most commonly used bearing housings
in the mechanical engineering industry

Suitable for self-aligning ball or roller bearings

Installation with clamping sleeve or cylindrical bore

Options for higher loads: Spheroidal or cast steel

Versatile use in various installation situations

are primarily intended for grease lubrication

The housing dimensions correspond to the
specifications in DIN 736, 737, 738 or ISO/R 113

Most commonly used bearing housings
in the mechanical engineering industry

Suitable for self-aligning ball or roller bearings

Installation with clamping sleeve or cylindrical bore

Options for higher loads: Spheroidal or cast steel

Versatile use in various installation situations

are primarily intended for grease lubrication

The housing dimensions correspond to the
specifications in DIN 736, 737, 738 or ISO/R 113

Suitable for grease and oil lubrication

Sprues available for holes for
lubrication and monitoring systems

Option for split double lip radial seal

Same connection dimensions as
SN housing according to DIN 736 to DIN 739

Versatile application possibilities
in various types of lubrication

Designed for installation of larger
231 K series spherical roller bearings

Equipped with specialized labyrinth rings for effective sealing

Ensure optimal security

Inserted round cords between labyrinth ring and shaft
enable synchronized rotation of sealing rings with shaft

Gray cast iron end cover provided for housings at shaft ends

Housings can be adapted for oil lubrication upon request

Featuring inlets on both housing halves

Precisely machined bearing
seat in housing adheres to tolerance class H8

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