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722500

The Right Choice

The bearing housing of the 722500 series represents a state-of-the-art solution for accommodating rolling bearings in a wide range of industrial applications. With an emphasis on robustness and performance, this housing provides a stable platform for supporting and aligning various types of bearings.

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Installation types

Bearings for Every Size

Flange bearing housings from the 722500 A/B series are designed for accommodating self-aligning ball or roller bearings with a clamping sleeve. Equipped with a felt seal, these housings allow for relubrication through a grease nipple. The option to choose between a closed cover (A-Type) or an open cover (B-Type) adds versatility to their applications.

20
60
In the 722500 pillow block housings, bearings with a shaft diameter ranging from 20 to 60 mm can be accommodated.

Spherical roller bearing

Self-aligning ball bearing

222..K
12.. K
222...
22 K
Spherical roller bearings of series 222..K, 222.., and self-aligning ball bearings series 12. K and 22 K, can be used.

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Benefits

Felt-Sealed Housings

The housings are predominantly furnished with a felt seal, which is supplied as an integral part of the housing and does not require a separate order. It is essential to immerse the felt strips in hot oil for a few minutes before installation to ensure lasting protection.

The 722500 flange bearing housing has been a staple in various applications for many decades. Its streamlined and efficient production process renders the 722500 an economical choice for reliable bearing housing solutions.

The 722500 are unsplit bearing housings that are sealed with a felt strip.

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 flange bearing 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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722500G
2. Generation
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722500
3. Generation
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Advanced Flansch bearing housing

Full Sortiment of latest Seal Arrangement

Full universal using in all conditions

Better to assemble but not perfectly

Full choice of verities

Standart Flansch bearing housing

Seal Arrangement: felt seal

Universal using but limited using in humanity enweriontmehnt

Difficult to assemble perfectly

Completly unique

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