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DIN506

Durable Bearings

In all areas of mechanical and plant engineering, plain bearings according to DIN 502 to DIN 506 can be found. The applications of these bearings are unlimited, with a sliding speed of up to 1.5 m/s, allowing for diverse possibilities. The bearing housing is manufactured from high-quality gray cast iron of grade GG 25. The structural design of the housing enables high loads and reliable operational safety. Optionally, plain bearings according to DIN 502 to DIN 504 are available with or without red brass bushing, complying with DIN 8221. For additional applications, materials such as bronze, bronze with solid lubricant reservoir, plastic, or composite materials are also available. For cover bearings according to DIN 506, gray cast iron bearing shells are available, allowing for usage even at high temperatures. The bore tolerance for all bearings is D10.

Technical Specification 

Design & Material

- Type: Split plain bearings
- Standard: Compliant with DIN 506-A
- Standard Material: GG20 (EN-GJL-200) for smaller sizes
- Material (Shells): GG25 (EN-GJL-250) for larger sizes
- Standard Material: Red Brass (Rg7)
- Shell Manufacturing Standard: Manufactured according to DIN 506-C

Design Features

- Base Bores: Features 4 base bores for improved alignment and secure mounting
- Attachment Bolts: Equipped with 4 attachment bolts for
maximum load-bearing capability and stability
- Housing Material: Grey Cast Iron (GG20/GG25), offering strength, durability, and resistance to wear and deformation
- Shell Material: Red Brass (Rg7) provides low friction, high wear resistance,
and ensures long service life
- Manufactured to DIN 506-C standard, ensuring dimensional consistency and high quality
- Sliding Speed: Designed to accommodate sliding speeds up to approximately 1.5 m/s, depending on operating conditions

Applications & Performance

- Applications: Widely used across a range of industries, including:
- Wood processing
- Steel manufacturing
- Chemical plants
- Food processing
- Performance:
- Suitable for demanding applications, providing reliable, long-term performance even under harsh operating conditions

Lubrication & Maintenance

- Lubrication Requirements: Optimal performance is achieved with appropriate grease or oil lubrication to reduce friction and wear
- Maintenance: Regular lubrication and maintenance ensure long-term reliability and performance under continuous operation

55
300
In the DIN506 pillow block housings, bearings with a shaft diameter ranging from 55 to 300 mm can be accommodated.

Pressure Guidelines

Maximum allowable compaction pressures depend on various factors including material compatibility, surface roughness, shaft dimensions, bearing clearance, alignment quality, load direction, lubrication status, and bearing temperature. Guide values for specific compaction pressures should not be exceeded under normal operating conditions. This includes shaft diameter within tolerance zone h9, surface roughness of Ra ≤ 5μm, and adequate lubrication. Maximum sliding speed: v = 1.5 m/s, frictional power: PR = F·v·μ, where F is the bearing load (N), v is the sliding speed (m/s), and μ is the coefficient of friction.

Technical Specification 

Technical Data

- Standard (Housing): DIN 506-A
- Standard (Shells): DIN 506-C
- Material (Housing): GG20 (EN-GJL-200) or GG25 (EN-GJL-250)
- Material (Shells): Red Brass (Rg7)
- Base Bores: 4 base bores for optimal mounting stability
- Attachment Bolts: 4 attachment bolts for maximum load-bearing
- Sliding Speed: Up to 1.5 m/s
- Applications: Wood processing, steel manufacturing, chemical plants, food processing
- Lubrication: Grease or oil lubrication is recommended

Key Features & Benefits

- Enhanced Load-Bearing Capability: Equipped with 4 base bores and 4 attachment bolts for superior load distribution and secure mounting
- Durable & Reliable Construction: Housing made from GG20 or GG25 grey cast iron, and shells made from red brass (Rg7) for enhanced wear resistance and longevity
- Versatile Industrial Applications: Ideal for industries like wood processing, steel manufacturing, chemical plants, and food processing
- High Performance: Accommodates sliding speeds of up to 1.5 m/s, ensuring reliable operation even under tough conditions
- Long Service Life: Designed for extended operational life with reduced wear and minimal maintenance needs when properly lubricated

Benefits

Versatile and Reliable

The sliding bearings according to DIN 502 to 506 offer versatile applications in industries such as wood, steel, chemicals, and food. With high load capacity and sliding speeds of up to 1.5 m/s, they are suitable for demanding applications like cutting head excavators and ship propulsion. The robust housings made of high-quality cast iron EN-GJL (GG) provide stability, while optional bearing shells allow for individual adjustments. Precise bearing bores meet various tolerance requirements. Efficient lubricant supply is ensured through various methods such as grease nipples, hand grease guns, and central lubrication systems. With an average grease consumption of about 20 g/m2h under normal conditions, these sliding bearings are a reliable solution for various applications.

Red bronze (RG7)

350 P (N/cm2)
180 p.v (N/cm2) * (m/s)

Cast bronze

450 P (N/cm2)
260 p.v (N/cm2) * (m/s)

Design limits for plain bearings should not exceed specified values, considering factors like material pairing, surface conditions, lubrication, and operating conditions

Shell availableas
spare parts

Replacement shells are available from us in the same meticulously crafted quality to meet your maintenance needs with precision and reliability. Discover our selection to find the perfect solution for your needs. Do not hesitate to contact us according to availability

Material

Features of RG7

Rg7 is a sliding material with moderate hardness, manufactured through centrifugal or continuous casting processes. Despite its good emergency running properties, it provides sufficient wear resistance. Due to its dezincification-resistant properties, this alloy is preferred and practically immune to stress corrosion cracking

Mechanical properties
Up to

250-310MPa

Tensile strength
Up to

8-12%

Elongation at break
Up to

70-90MPa

Yield strength
Up to

70-90HB

Brinell hardness
The plain bearings are made from RG7 red bronze as standard

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DIN504
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DIN505
2. Generation
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DIN506
3. Generation
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Plain bearings according to DIN 502 to
DIN 506 widely used in mechanical and plant engineering

Applications of these bearings unlimited,
with sliding speed of up to 1.5 m/s

Bearing housing manufactured from
high-quality gray cast iron of grade GG 25

Structural design of housing enables
high loads and reliable operational safety

Plain bearings available with or
without red brass bushing, complying with DIN 8221

Optional materials include bronze, bronze with solid lubricant reservoir, plastic, or composite materials

For cover bearings according to DIN 506, gray cast iron bearing shells available, suitable for usage even at high temperatures

Bore tolerance for all bearings is D10

Plain bearings according to DIN 502 to
DIN 506 widely used in mechanical and plant engineering

Applications of these bearings unlimited,
with sliding speed of up to 1.5 m/s

Bearing housing manufactured from
high-quality gray cast iron of grade GG 25

Structural design of housing enables
high loads and reliable operational safety

Plain bearings available with or
without red brass bushing, complying with DIN 8221

Optional materials include bronze, bronze with solid lubricant reservoir, plastic, or composite materials

For cover bearings according to DIN 506, gray cast iron bearing shells available, suitable for usage even at high temperatures

Bore tolerance for all bearings is D10

Plain bearings according to DIN 502 to
DIN 506 widely used in mechanical and plant engineering

Applications of these bearings unlimited,
with sliding speed of up to 1.5 m/s

Bearing housing manufactured from
high-quality gray cast iron of grade GG 25

Structural design of housing enables
high loads and reliable operational safety

Plain bearings available with or
without red brass bushing, complying with DIN 8221

Optional materials include bronze, bronze with solid lubricant reservoir, plastic, or composite materials

For cover bearings according to DIN 506, gray cast iron bearing shells available, suitable for usage even at high temperatures

Bore tolerance for all bearings is D10

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