ZKL Bearing

Product Details:

Roller bearings are a particular type of bearing that use rolling elements to support loads and reduce friction. Vis-a-visball bearings, roller bearings have barrel-shaped rolling elements instead of spherical balls. They can withstand heavier loads than similar size ball bearings but cannot handle as high speed as ball bearings.

Roller bearings contain an inner and outer ring that house the rollers and bearing cage. The cage, also called the retainer maintains spacing between rollers and holds the roller elements together.

The four primary types of roller bearings used in varying applications each with different designs are cylindrical, spherical, tapered, and needle roller bearing

Traditional Plain Bearing users who handle radial loads and suffer the constant tension of major and minor misalignments can now take heart.

The latest hi-tech addition to the wide and growing range of ZKL- Spherical Plain Bearings will handle radial loads and misalignment with smooth and effortless ease…virtually maintenance free.

Advantages:-
Maintenance- free ZKL spherical plain bearings boast several advantages over the rolling-element designs. For example, they do not require lubrication because of the special sliding- contact surface. The sliding layer is asymmetrical, and resistant to moisture. An adhesive bond resist separation. The bearings support high dynamic and static loads. The bearings have a low friction factor and can take high contact pressure.

Plus there are several variations to the bearing design. Spherical plain bearings are good for supporting radial loads and where bearings must work without maintenance. The design is also recommended where it’s suitable to lubricate a metallic sliding- contact surface, as in unilateral loads. The design can be combined with axial spherical plain bearings to support axial loads also

Today’s bearings are facing challenges that their predecessors couldn’t have imagined. New products, increasingly sophisticated, high-speed precision machinery, new technologies, faster processes, more stress, heavier loads, longer hours of operation – It goes on.

• ZKL Unit Bearings are self-aligning in their housings, which compensates for any misalignment of housing or shaft during installation.
• ZKL Unit Bearings conform to the International Standards in so far as Basic Load
  Ratings and limiting speeds are concerned.
• ZKL Units are easily adaptable to simple or complex bearing arrangements, and are designed to facilitate easy mounting and dismounting.
• ZKL Unit Bearings deliver smooth and efficient performance even in arduous operating environments and conditions.
• ZKL Unit Bearings are engineered to close tolerances from tough and tested steels and machined to enhance working life.
• The ZKL Unit Bearing series is available in different configurations and dimension ranges. Variants with extended inner rings and having different method used to locate the bearing on the shaft, are available, e.g., grub (set) screw locking; eccentric locking collar with grub (set) screw; adapter sleeves etc.
• Unit Bearings for Metric and Inch size shafts are also available.
• All ZKL Unit Bearings are sealed on both sides with rubbing seals and are supplied ready-greased with lithium-based and non-toxic lubricants which exhibit good anti-rust properties and temperature tolerances of – 30 degree to + 110 degree Celsius.
• Careful attention has been paid to Accuracy of dimensions of the components and the tolerances thereof, and quality of grease and seals used in these units.

The basic Purpose of bearing housing is to absorb bearing load and provide dust free environment with lubrication retaining facility and hold bearing stationary outer ring.

However to improve the bearing life & it’s reliability, the housing need to have following quality features.

• To have bore with perfect roundness.
• No blow holes in the casting.
• Perfect centre height from base.
• Provide adequate room for lubricant.
• Provide effective sealing to avoid ingress of dirt, water & moisture.
• Proper sealing arrangement to prevent lubricant leakage.

The ZKL Bearing housings range has been developed to accommodate all industrial requirements, operating parameters and suit various industrial locations.

To fulfill all industrial conditions , housing are developed in different sizes , shapes and material. According to this , housings are designated for easy customer understanding and selections.

Most of the ZKL Bearing housings are horizontally splited , suitable for bearings having Tapered bore or Cylindrical Bore. These housing are made from high grade cast iron or cast steel.

The cast steel housings are generally selected for heavy loads and / or shock loads applications.

Using a high quality bearing alone does not guarantee that your machine will perform with utmost reliability.

You need ZKL sleeves to mount your bearings on in order to get the optimum performance out them.

A bearing needs to be fitted on a shaft with interference fit in order to ensure that the bearing inner ring and the shaft rotates together as a single body even while carrying load. After the Bearing is mounted on the sleeve , the extent of contact between the Bearing and the Sleeve , and the sleeve and the Shaft should be atleast 80%.

Unlike most of the brands available in the market , ZKL Sleeves are made from Prime Quality Carbon steel Pipes / Forgings and machined in CNC Machines. This ensures that the Form Tolerances and Radial Run Out of the Sleeves strictly conform to the relevant Standard.

ZKL Sleeves – the arms that your bearings need in their relentless battle to keep your machines going on and on.