DKFL 22208 MBW33 Spherical Roller Bearing
Spherical roller bearings are designed to support very heavy radial loads as well as simultaneous axial loads in both directions. The DKFL 22208 MBW33 features two symmetrical rows of barrel-shaped rollers and a common spherical raceway on the outer ring. This design provides self-alignment, allowing the bearing to accommodate angular misalignment between the shaft and housing.
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Product Detail
DKFL 22208 MBW33 Spherical Roller Bearing 40×80×23 mm | Machined Brass Cage (MB) | Lubrication Groove and Holes (W33)
The DKFL 22208 MBW33 double-row spherical roller bearing is designed for very heavy radial and axial loads, accommodates shaft misalignment, and features a robust machined brass cage and W33 lubrication system. It is a dependable solution for demanding industrial applications, supplied by Kamyar Gostar Iranian (KGICO).
Technical Overview of the DKFL 22208 MBW33 Spherical Roller Bearing
Spherical roller bearings are designed to support very heavy radial loads as well as simultaneous axial loads in both directions. The DKFL 22208 MBW33 features two symmetrical rows of barrel-shaped rollers and a common spherical raceway on the outer ring. This design provides self-alignment, allowing the bearing to accommodate angular misalignment between the shaft and housing.
The MB suffix indicates a robust machined brass cage, providing strong mechanical support in demanding operating conditions. The W33 suffix denotes a lubrication groove and three lubrication holes in the outer ring, facilitating lubricant delivery to the bearing.
Designation and Construction (22208 MBW33)
Basic designation 22208: Identifies a spherical roller bearing in the 22 dimension series, with a 40 mm bore (08 × 5) and a width of 23 mm.
MB suffix: Indicates a solid, machined brass cage designed for demanding operating conditions, including vibration and shock loads.
W33 suffix: Indicates a circumferential lubrication groove and lubrication holes in the outer ring to support lubricant distribution.
DKFL brand: Manufactured using quality alloy steel and precision heat treatment for industrial service.
Supply and support: Supplied by Kamyar Gostar Iranian (KGICO), with product authenticity support.
Technical Specifications and Dimensions
| Bore (d) | Outside Diameter (D) | Width (B) | Dynamic Load Rating (Cr) | Static Load Rating (C0r) | Cage | Lubrication Feature |
|---|---|---|---|---|---|---|
| 40 mm | 80 mm | 23 mm | ~80.5 kN | ~90.4 kN | Brass (MB) | W33 groove and holes |
Key Features and Advantages of DKFL 22208 MBW33
Very High Load-Carrying Capacity
Optimized roller geometry supports very heavy radial loads and combined radial and axial loads.
Self-Aligning Capability
Accommodates shaft misalignment relative to the housing, helping maintain reliable operation.
Machined Brass Cage (MB)
Provides robust cage construction for demanding mechanical conditions, including vibration and shock loads.
W33 Lubrication Feature
The outer-ring groove and lubrication holes support relubrication and lubricant distribution inside the bearing.
Designed for Reliable Operation
Suitable lubrication and correct installation help support stable performance and service life in continuous-duty applications.
DKFL Brand, Supplied by KGICO
An industrial bearing option supplied with product and technical support from KGICO.
Common Industrial Applications
- Mining and cement industries: Crushers, ball mills, heavy-duty conveyors, and vibrating screens.
- Heavy industrial gearboxes: Power-transmission gearboxes in steelworks and rolling mills.
- Construction and drilling equipment: Heavy machinery operating under impact and shock loads.
- Large industrial fans and blowers: Rotating shafts in petrochemical plants and power stations.
- Paper and printing machinery: Industrial rollers, dryers, and heavy presses.
Installation, Maintenance, and Engineering Recommendations
When mounting the bearing on a shaft with an interference fit, use a suitable induction heater or hydraulic mounting equipment. Never apply direct hammer blows to the brass cage or bearing rings.
The W33 design supports relubrication through the housing. Ensure the replenishment grease is compatible with the original grease and follow the recommended relubrication intervals.
Internal Clearance Selection
Select the appropriate internal clearance, such as standard clearance or C3, according to the operating conditions and temperature. This helps account for operating clearance changes caused by shaft and bearing temperature.
Frequently Asked Questions (FAQ)
1. What is the difference between an MB brass cage and a standard steel cage?
An MB cage is a machined brass cage. Its suitability depends on the bearing design and operating conditions; consult the manufacturer’s data when selecting a bearing for high vibration, shock loads, or elevated temperatures.
2. What does the W33 suffix indicate?
W33 indicates a lubrication groove and lubrication holes on the outer ring, enabling lubricant to be supplied to the bearing through the housing arrangement.
3. What are the main applications of the 22208 bearing?
It is used in equipment subject to heavy radial loads and possible shaft misalignment, including crushers, industrial gearboxes, and heavy machinery. Always verify that the bearing’s ratings and operating limits suit the application.
Request a Quote for the DKFL 22208 MBW33 Spherical Roller Bearing
Contact the sales engineers at Kamyar Gostar Iranian (KGICO) to check availability, request bulk pricing, or receive technical assistance.
Request a Quote at kgico.co