DKFL SN 522 Plummer Block Housing
The DKFL SN 522 plummer block housing provides a strong enclosure and mounting point for a compatible bearing. It supports the bearing and shaft, helps retain lubricant, and provides space for seals that can help limit the entry of contaminants. The housing transfers operating loads to the machine foundation.
SKU-8265
MOQ: 1
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product dimensions
- Weight: 24,000.00 g
Product Detail
Industrial Split Plummer Block Housing DKFL SN 522 (4-Bolt) Strength, Protection, and Easier Maintenance
4-bolt robust design | High-strength cast iron
What Is the DKFL SN 522 Housing?
In industrial equipment, rotating shafts need stable support and protection. A bearing mounted directly on a machine frame may be exposed to dust, vibration, misalignment, and inadequate lubrication. These conditions can shorten bearing life and lead to unplanned machine downtime.
The DKFL SN 522 plummer block housing provides a strong enclosure and mounting point for a compatible bearing. It supports the bearing and shaft, helps retain lubricant, and provides space for seals that can help limit the entry of contaminants. The housing transfers operating loads to the machine foundation.
The SN design is split into a base and a removable cap. This makes inspection and bearing replacement more convenient in suitable installations. The four-bolt cap arrangement is intended to provide a secure connection between the cap and base.
Understanding the SN 522 Designation
The designation identifies the housing type and size, but the exact bearing, shaft, seals, and accessories must be confirmed against the manufacturer's catalogue and the equipment requirements.
- SN: Identifies a split plummer block housing design with a base and removable cap.
- 522: Identifies the housing size within the applicable product series. Confirm the exact dimensions and compatible components before ordering.
- Four-bolt cap: The cap is secured to the base with four bolts. Use the manufacturer's specified tightening procedure and torque.
Advantages of the Split Housing Design
In many machines, removing a shaft, pulley, or conveyor component for bearing maintenance can take considerable time. With a split housing, the cap can be removed to access the bearing, provided the machine layout and installation allow it. This can simplify inspection and servicing without requiring the entire housing to be removed.
Key Features
Cast-Iron Body
The cast-iron construction provides a sturdy support for the bearing assembly. Confirm the material grade with the supplier if your application has specific requirements.
Split Construction
The removable cap provides access to the bearing for inspection and maintenance in compatible machine arrangements.
Bearing Seat
The housing seat supports the selected bearing. Check its dimensions and tolerances against the official product data before installation.
Seal Options
The appropriate seal depends on the housing version and operating environment. Confirm the correct seal type and dimensions before ordering.
Lubrication Access
Where provided, lubrication points allow grease to be added during maintenance. Follow the bearing and lubricant manufacturer's recommendations.
Protective Finish
The external finish helps protect the housing during storage and use. Suitability for corrosive or washdown environments should be checked with the supplier.
Selecting Compatible Components
A housing is only one part of a bearing assembly. Before ordering, verify the required bearing, shaft diameter, mounting dimensions, seals, and any locating rings or adapter sleeves against the equipment drawing and the manufacturer's catalogue.
- Bearing: Select a bearing that matches the housing and the machine's load, speed, and operating conditions.
- Shaft or adapter sleeve: Confirm the required shaft diameter and mounting arrangement. Do not assume a sleeve size without checking the product data.
- Locating rings: Use only the rings specified for the application when axial positioning is required.
- Seals: Choose seals suited to the housing version and the level of dust, moisture, or other contamination.
Typical Applications
Split plummer block housings are used in a range of industrial machines. The suitability of the SN 522 for a particular installation depends on its rated load, speed, mounting dimensions, and the selected bearing and seals.
- Conveyor systems: Supporting rotating shafts and rollers in material-handling equipment.
- Cement and aggregate plants: Used in suitable fans, conveyors, and other rotating machinery.
- Steel and manufacturing: Supporting shafts and rollers where the selected assembly meets operating requirements.
- Paper and processing equipment: Used in machinery with compatible shaft and bearing arrangements.
When to Inspect the Housing
Inspect the bearing assembly if you notice unusual operating conditions. These signs do not identify a single cause, so check the bearing, lubrication, alignment, seals, and mounting bolts as part of the inspection.
- Excessive temperature: Check lubrication, load, alignment, and bearing condition. Use the equipment manufacturer's temperature limits.
- Grease leakage or contamination: Inspect the seals and check whether the lubricant is clean and appropriate.
- Unusual noise or vibration: Check the bearing, shaft alignment, foundation, and fasteners.
- Loose mounting bolts: Stop the equipment when safe and inspect the mounting surface and fasteners before restarting.
Installation and Lubrication Guidelines
1. Prepare the Mounting Surface
Make sure the mounting surface is clean, flat, and suitable for the housing. Follow the machine drawing and the manufacturer's installation instructions.
2. Avoid Excessive Grease
Do not fill the housing with grease without checking the specified quantity. Too much grease can increase friction and temperature. Use the amount and relubrication interval recommended for the bearing and operating conditions.
3. Keep the Cap and Base Together
Use the cap and base supplied as a matched housing set. Do not mix components from different housings unless the manufacturer confirms they are interchangeable.
4. Tighten Fasteners Correctly
Tighten the cap and mounting bolts according to the manufacturer's procedure and specified torque. Avoid impact tools or uncontrolled tightening.
Frequently Asked Questions
1. What is the difference between an SN housing and a UCP unit?
SN housings have a split base-and-cap design. UCP units are typically assembled pillow block units with a mounted bearing. Compare the specific dimensions and ratings before choosing between them.
2. Does the SN 522 include a bearing?
The housing and bearing may be supplied separately or as part of a set, depending on the seller. Confirm the exact contents of the product listing before ordering.
3. Can I use an SN 522 in place of an SNL housing?
Do not assume that SN and SNL housings are interchangeable. Check the manufacturer's dimensions, bearing compatibility, seals, and accessories for the exact models.
4. Which seal should I choose?
The correct seal depends on the housing version, shaft arrangement, speed, and surrounding dust or moisture. Ask the supplier to confirm the compatible seal set.
Buy DKFL SN 522 from KGICO
Contact the KGICO team for pricing, product availability, and help confirming the housing dimensions and compatible components for your equipment.
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