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RSFH

Empowering Excellence

Drum inner bearing with inner position in the side flange. Conventional drum inner bearings are often manufactured with "flanged" bearing housings. With larger loads, this type of housing is not sufficient and is replaced by individual custom-made solutions. Our RSFH housings are standardized inner bearings for high loads that act directly in the drum side walls.

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Installation types

Mounting Solutions

RSFH Flange bearing housings are designed for accommodating self-aligning ball or roller bearings with a clamping sleeve. Equipped with a Labyrinth- and OSM-seal, these housings allow the usage in difficult environments. The option to choose between a closed cover (A-Type) or an open cover (B-Type) adds versatility to their applications.

40
150
In the RSFH Flange housings, bearings with a shaft diameter ranging from 40 to 150 mm can be accommodated.

Spherical roller bearing

Self-aligning ball bearing

222..K
12.. K
222...
22 K
223..K
13..
223..
213..
Spherical roller bearings of series 222..K, 222.., 223..K, 223.. and self-aligning ball bearings series 12. K and 22 K, 13.. and 213.. can be used.

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Benefits

Versatile Benefits

Our drum inner bearings are stocked up to a shaft size of 60mm with a felt seal + an additional groove for gamma rings. From a shaft diameter of 70mm, you will receive the inner bearing with a combination seal consisting of a radial shaft seal and an axial labyrinth seal. These housings are designed with a felt seal on the flange side

RSFH housings are standardized inner bearings for high loads that act directly in the drum side walls.

Labyrinth seal

Labyrinth seals are highly effective sealing systems used in a variety of applications to prevent the ingress of dust, dirt, and moisture into rotating machine parts. With their intricate and efficient design, labyrinth seals provide reliable sealing and help extend the lifespan of bearings, shafts, and other rotating components

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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Advanced Flansch bearing housing

Full Sortiment of latest Seal Arrangement

Full universal using in all conditions

Perfectly to assemble and usage

Full choice of verities

Completly unique

GLH housing units offer complete, ready-to-install bearing units for various industries and installation scenarios

Ball bearings effectively sealed against
dirt and dust by special seals

Maintenance-free operation throughout
lifespan under normal conditions

Lithium-soap-based grease allows continuous operation in temperature range of -30 to +100°C

Convex design of outer ring of ball bearings, combined with respective housings, facilitates compensation of shaft misalignment errors

Supplied with eccentric locking collar or
extended inner ring and set screw

Adaptable to any standard shaft

Recommended shaft fit generally falls within range of h9 to h7

RSFH housings are pulley inner bearing housings, a special form of flanged bearing housing.

They are used in conveyor belt pulleys.

Easy fitting and quick replacement are their advantages.

The RSFH inner drum bearing housings are designed to transmit the load directly to the drum cover.

This ensures that the spherical roller
bearings are optimally loaded.

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