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SAF

Industrial Resilience

SAF pillow block bearings, derived from "Split Pillow Block with Seals," represent highly robust bearing solutions for industrial applications. Their split design allows for efficient assembly and maintenance without the need to disassemble the entire unit. Equipped with seals, they provide reliable protection against contaminants, enhancing their lifespan in challenging environments. SAF pillow block bearings are ideal for applications with high loads and stringent requirements for reliability and efficiency.

Technical Specification

Design & Material

- Series: SAF3000/3100/3200
- Type: Split plummer block housings designed for self-aligning roller bearings
- Standard Material: Grey Cast Iron GG20 (EN-GJL-200)
- Alternative Materials: Available upon request (e.g., ductile iron, stainless steel)
- Bearing Compatibility: Designed for 230K, 231K, and 232K series self-aligning roller bearings
- Bearing Seat: Precision-machined to G7 tolerance for a precise fit and
optimized bearing performance
- Standard Seals: LER labyrinth seals or TER Taconite seal made from aluminum, providing effective protection against contaminants
- Custom Sealing Options: Available upon request

Mounting & Design Features

- Base & Mounting: Flat, square base design for easy and precise mounting
- Markings: Caps and bases are individually marked and non-interchangeable for easy assembly
- Lubrication System: Suitable for both grease and oil lubrication systems, providing flexibility
based on application needs
- Paint Finish: Standard black paint (RAL 9005) with rust protection on unpainted surfaces
Repainting with standard coatings is possible upon request

Bearing & Mounting Options

- Bearing Types: Primarily for 230K, 231K, and 232K series self-aligning roller bearings
- Mounting Options: Can be adapted for cylindrical bearings upon request, offering additional flexibility for various applications

Applications & Features

- Applications: Ideal for industrial machinery requiring self-aligning roller bearings, such as conveyors, crushers, and heavy-duty applications
Suitable for both grease and oil lubrication systems, allowing compatibility with various operational requirements
- Precision Fit: Bearing seat precision-machined to G7 tolerance for optimal bearing alignment
- Enhanced Sealing: LER labyrinth seals or TER Taconite seals made from aluminum provide superior protection in harsh conditions
- Flat Base Design: Flat, square base ensures precise and easy mounting, even in tight spaces
- Durability: Grey cast iron construction with rust protection ensures long-lasting performance in demanding environments

Installation types

Flawless Integration

HBND housings demand precise installation utilizing suitable tools and employing cutting-edge mechanical mounting methodologies. Each associated component is required to adhere to specific foundational criteria.

17/16
715/16
In the SAF pillow block housings, bearings with a shaft diameter ranging from 17/16 to 715/16 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.

Technical Specification

Technical Data

- Material (Housing): Grey Cast Iron GG20 (EN-GJL-200)
- Alternative Materials: Available upon request (e.g., ductile iron, stainless steel)
- Bearing Compatibility: 230K, 231K, 232K series self-aligning roller bearings
- Bearing Seat Tolerance: G7 (Precision Machining)
- Lubrication Type: Grease or oil lubrication
- Sealing Options: LER labyrinth seals or TER Taconite seal (aluminum)
- Base Design: Flat, square base for precise mounting
- Mounting: Can be adapted for cylindrical bearings upon request
- Paint Finish: Black (RAL 9005), rust protection on unpainted surfaces
- Repainting: Available upon request with standard coatings

Benefits & Key Features

- Precision Alignment: Bearing seat machined to G7 tolerance for a precise, optimal fit and secure bearing performance
- Flexible Lubrication: Suitable for both grease and oil lubrication, ensuring versatility for different machinery needs
- Enhanced Sealing Performance: LER labyrinth seals or TER Taconite seals made from aluminum provide effective protection against dust, dirt, and moisture in demanding environments
- Robust Design: Flat, square base ensures easy and precise mounting,
even in tight installation spaces
- Durability & Rust Protection: Grey cast iron housing with rust protection guarantees long-term reliability in harsh operating conditions
- Adaptability: Can be adapted for cylindrical bearings upon request, enhancing the housing's flexibility for various applications

Benefits

Seamless Solutions

The SAF and SAW housings excel in easy assembly, precise alignment, and individual marking of the housing base and cap. Featuring pry slots and spherical dowel pins for effortless separation, they provide clear instructions for a seamless installation. Versatile in lubrication, they offer a reliable reservoir for grease or oil with a sump in the housing base.

For SAF/SDAF bearing housings are different seal arrangements available. You can get split and unsplit labyrinthseal as well as combined-seal system like taconite seal.

Up to

6 Diffrent

Sealing variants

Seals

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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Adapter sleeve for bearings with a tapered bore.

Commonly used with self-aligning
ball bearings and CARB toroidal roller bearings.

Allows secure and precise mounting of
bearings onto shafts, particularly under high load conditions.

Complies with DIN 630.

Provides a straightforward method for fixing bearings onto smooth shafts without the need for additional keyways or similar components.

Designed for use in harsh and difficult environments

Size and height not interchangeable with standard flange bearing housings

Sealing: re-lubricable Taconite seal

Taconite seal consists of:
• Radial shaft seal
• Grease chamber
• Re-lubricable axial labyrinth seal

Shaft size: 40mm to 125mm

Standard material: cast iron

Alternative materials: stainless steel, bronze

SAF pillow block bearings

Derived from "Split Pillow Block with Seals"

Highly robust bearing solutions for industrial applications

Split design allows for efficient assembly and maintenance

No need to disassemble the entire unit

Equipped with seals for reliable protection against contaminants

Enhance lifespan in challenging environments

Ideal for applications with high loads
and stringent reliability and efficiency requirements

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