DKFL UCP 208 Pillow Block Unit
The DKFL UCP 208 pillow block unit is designed to improve load distribution and consists of two integrated components: Solid Base Cast Iron Housing (P208): Manufactured from dense grey cast iron, with a solid, non-hollow base, a precision-machined spherical seat, slotted mounting holes, and an angled brass grease nipple for relubrication. Self-Aligning Insert Bearing (UC208): A heavy-duty deep-groove ball bearing for 40mm shafts. Its extended inner ring is secured to the shaft by two 120-degree-positioned Allen set screws.
10060101061
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product dimensions
- Weight: 2,820.00 g
Product Detail
DKFL UCP 208 Pillow Block Unit Heavy-Duty 40mm Shaft Unit | Solid Base P208 Technology | UC208 Insert Bearing
The DKFL UCP 208 is a robust, ready-to-install pillow block unit designed for 40mm shafts. It combines a solid-base cast iron housing with a self-aligning insert bearing made from 100Cr6 alloy steel. The unit is engineered to withstand mechanical vibration, sudden shock loads, and demanding continuous-duty operating conditions.
Technical Anatomy and Components of the DKFL UCP 208
The DKFL UCP 208 pillow block unit is designed to improve load distribution and consists of two integrated components:
- Solid Base Cast Iron Housing (P208): Manufactured from dense grey cast iron, with a solid, non-hollow base, a precision-machined spherical seat, slotted mounting holes, and an angled brass grease nipple for relubrication.
- Self-Aligning Insert Bearing (UC208): A heavy-duty deep-groove ball bearing for 40mm shafts. Its extended inner ring is secured to the shaft by two 120-degree-positioned Allen set screws.
Self-Alignment Capability: The spherical interface between the concave seat of the P208 housing and the convex outer ring of the UC208 insert allows angular adjustment of approximately ±2° to ±3°, depending on the design and installation conditions. This helps accommodate initial mounting misalignment and elastic shaft deflection, reducing the risk of uneven loading on the rolling elements.
Solid Base Design Compared with Conventional Hollow-Base Housings
For 40mm shaft applications, housing design plays an important role in operational stability, particularly where torque and vibration are present. The solid-base design of the DKFL P208 housing provides a substantial mounting surface compared with conventional hollow-base designs.
Potential Limitations of Hollow-Base Housings
Depending on the casting quality, mounting conditions, and applied loads, a hollow-base design may be more vulnerable to localized stress, deformation, or cracking during installation or operation. It may also provide less uniform support on some mounting surfaces.
Advantages of the DKFL Solid Base Design
The solid base provides a broad mounting surface and supports stable load transfer to the machine frame. When correctly installed, it can help improve mounting rigidity and resistance to vibration and mechanical shock.
Metallurgy, Sealing, and Operating Durability
- 100Cr6 Bearing Steel (AISI 52100): The insert bearing’s rings and rolling elements are typically manufactured from high-carbon chromium bearing steel and heat-treated for rolling-contact service. Confirm exact hardness and material specifications with the product datasheet or supplier.
- Combined Sealing Arrangement: The insert bearing typically uses contact seals and metal flingers to help retain grease and limit the ingress of dust, debris, and moisture. Suitability depends on the operating environment and maintenance conditions.
- Cast Iron Housing: The P208 housing provides a rigid support for the insert bearing. Its performance depends on the casting specification, mounting surface, applied load, and correct installation.
Industrial Applications of the DKFL UCP 208
The DKFL UCP 208 is suitable for a range of industrial applications using 40mm shafts, provided that the operating loads, speed, lubrication, and environmental conditions are within the product’s rated limits:
- Conveyor Systems: Drive and idler rollers in material-handling, tile, cement, and steel-processing lines.
- Agricultural Machinery: Shafts and rotating assemblies in harvesters, forage equipment, and rotary tillers.
- Industrial Fans and Blowers: Fan and blower shafts operating under suitable speed and load conditions.
- Screening and Processing Equipment: Rotating assemblies subject to vibration and intermittent mechanical loads, subject to proper bearing selection.
Installation Protocols and Essential Workshop Warnings
Step 1: Clean and inspect the shaft, removing burrs and contamination. Slide the bearing unit onto the shaft and loosely position the housing bolts so the unit can align with the shaft.
Step 2: Align the shaft and housing, then tighten the housing mounting bolts evenly to the specified torque.
Step 3 (Final): Tighten the two inner-ring set screws alternately and evenly, following the manufacturer’s torque recommendations.
Important: Do not fully tighten the set screws before positioning and securing the housing. Incorrect alignment or tightening sequence can introduce unwanted loads and contribute to overheating or premature bearing failure.
Do not strike the bearing rings, seals, or housing directly with a steel hammer. Impact can damage the raceways, seals, or cast housing. Use suitable fitting tools and, where appropriate, a soft-faced mallet; apply force only to the ring being fitted.
- Shaft Fit and Mounting Surface: Check shaft size, tolerance, surface finish, and straightness against the manufacturer’s recommendations. The mounting surface should be clean, flat, and sufficiently rigid to avoid distorting the housing during tightening.
- Relubrication: The unit is generally supplied pre-lubricated. Relubricate only as required by the operating conditions and the manufacturer’s maintenance guidance. Avoid excessive grease, which can raise operating temperature and damage seals.
DKFL Supply and Product Support from KGICO
Kamyar Gostar Iranian (KGICO) supplies DKFL UCP 208 pillow block units for industrial users, maintenance teams, and machinery manufacturers. For product specifications, availability, and application suitability, consult the product documentation and contact the KGICO technical sales team.
DKFL UCP 208 Price Inquiry, Technical Advice, and Orders
For stock availability, product documentation, or technical guidance, contact the Kamyar Gostar Iranian sales engineering team.
Visit the KGICO procurement portal: kgico.co