Bearing for Car Wheel Hub Cylindrical Roller Bearing

• Model NO.: NJ
• The Number of Rows: Single
• Material: Bearing Steel
• Load Direction: Radial Bearing
• Structure Type: Cylindrical Roller Bearing
• Vibration: V1 V2 V3 V4
• Service: OEM ODM
• Lubrication: Oil Lubrication
• Certification: ISO9001:2008
• Trademark: HENGLI, LZ
• Specification: 1.45 Kg
• HS Code: 84825000

• Rolling Body: Roller Bearings
• Outer Dimension: Medium and Large(120-190mm)
• Spherical: Non-Aligning Bearings
• Separated: Separated
• Clearance: C0 C2 C3 C4 C5
• Precision Rating: P0 P6 P5 P4 P2
• Cage Material: Brass Nylon Steel
• Main Market: Europe, North America, East Asia
• Application: Agriculture
• Transport Package: Neutral Packing Bearing
• Origin: China

Bearing for car wheel hub  Cylindrical Roller Bearing

                                                          Application

          Continuous Casting Machines                                                   Mechanical Fans and Blowers

          Gearbox and Pumps                                                                  Wind Turbines

          Material Handling                                                                        Marine Propulsion and Offshore Drilling

          Mining and Construction Equipment                                          Pulp and Paper Processing Equipment

The roller of the cylindrical roller bearing is in line contact with the raceway, so the bearing can bear heavier radial load.
Applications are found in situations characterizes by heavy load and shock load, and also by high-speed rotation.
These bearings are separable bearings, and convenient to be mounted and dismounted. They are designed as types of single,
double and multiple rows among which the single row cylindrical roller bearings are most applicable. Normally these bearings
can accommodate radial load only, none but single row bearings with ribs both on inner and outer rings can carry lighter constant
axial load.
Chrome Steel Single Row Cylindrical Roller Bearing   

Cylindrical Roller Bearing Specification   

 

Gravity Casting Parts

"Gravity Die Casting. A permanent mould casting process, where the molten metal is poured from a vessle of ladle into the mould, and cavity fills with no force other than gravity, in a similar manner to the production of sand castings, although filling cn be controlled by tilting the die."

Gravity Die Casting

Sometimes referred to as Permanent Mould, GDC is a repeatable casting process used for non-ferrous alloy parts, typically aluminium, Zinc and Copper Base alloys.

The process differs from HPDC in that Gravity- rather than high pressure- is used to fill the mould with the liquid alloy.

GDC is suited to medium to high volumes products and typically parts are of a heavier sections than HPDC, but thinner sections than sand casting.

There are three key stages in the process.

1. The heated mould [Die or Tool] is coated with a die release agent. The release agent spray also has a secondary function in that it aids cooling of the mould face after the previous part has been removed from the die.
2. Molten metal is poured into channels in the tool to allow the material to fill all the extremities of the mould cavity. The metal is either hand poured using steel ladles or dosed using mechanical methods. Typically, there is a mould [down sprue" that allows the alloy to enter the mould cavity from the lower part of the die, reducing the formation of turbulence and subsequent porosity and inclusions in the finished part.
3. Once the part has cooled sufficiently, the die is opened, either manually or utilising mechanical methods.

Advantages

• Good dimensional accuracy
• Smoother cast surface finish than sand casting
• Improved mechanical properties compared to sand casting
• Thinner walls can be cast compared to sand casting
• Reverse draft internal pockets and forms can be cast in using preformed sand core inserts
• Steel pins and inserts can be cast in to the part
• Faster production times compared to other processes.
• Once the tolling is proven, the product quality is very repeatable.
• Outsourced Tooling setup costs can be lower than sand casting.

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