Specifications

Taper Roller Bearings 30218
1.Long working life
2.Professional technical staff
3.take large axial forces
4.ISO:9001:2000

 High Speed Taper roller bearing 30218

The Description of Tapered Roller Bearing

 Tapered roller bearing main bear with radial primarily, the axial union load.  Bearing outer ring rolling bearing capacity depends on the way Angle, the greater the carrying capacity of the larger Angle. This type of bearings is bearing separation, according to the bearing of the roller column number into a single, double row and four row circular cone roller bearings. The single row circular cone roller bearing clearance to users in the installation to adjust; Double row and four row circular cone roller bearings clearance has set up a file in the products based on user requirements given,  don't  need to adjust by the user. 

 

 

Tapered roller bearings taper inner ring and outer ring have groove, tapered roller are arranged in between. All of the surface of the cone of lines in the projection of bearing the same point axis together. This design make circular cone roller bearings is especially suitable for bear composite (radial and axial) the load. The bearing axial load ability is the contact Angle α of the decision; Larger Angle α, axial load capacity is higher. Angle size by calculating coefficient e to say; E value is, the bigger the contact Angle is, the bigger the axial load bearing of the greater the applicability.

 

 Tapered roller bearings are usually separated model, namely the belt roller and maintains a component of the inner circle ,circle of inner cone components  and cone outside (outer)  can apart installation.

 

Tapered roller bearings widely used in automotive, rolling mill, mining, metallurgical, plastic machinery, etc.

 

Tapered roller bearings are bearings that can take large axial forces (i.e., they are good thrust bearings) as well as being able to sustain large radial forces. The inner and outer ring raceways are segments of cones and the rollers are also made with a taper so that the conical surfaces of the raceways and the roller axes if projected, would all meet at a common point on the main axis of the bearing.

 

Tapered roller bearings are separable and have the following components: outer ring, inner ring, and roller assembly (containing the rollers and a cage). The non-separable inner ring and roller assembly is called the cone, and the outer ring is called the cup. Internal clearance is established during mounting by the axial position of the cone relative to the cup.Metric tapered roller bearings follow the designation system defined by ISO 355.

 

Tapered roller bearings comprise solid inner and outer rings with tapered raceways and tapered rollers with cages. The bearings are not self-retaining. As a result, the inner ring together with the rollers and cage can be fitted separately from the outer ring. Tapered roller bearings can support axial loads from one direction as well as high radial loads. They must normally be axially adjusted against a second bearing fitted in a mirror image arrangement.

 

Tapered roller bearings consist of four interdependent components: the cone, or inner ring; the cup, or outer ring; the tapered rollers, or rolling elements; and the cage, or roller retainer. The taper angles allow the bearing to handle a combination of radial and thrust loads. The steeper the cup angle, the greater the ability of the tapered roller bearing to handle thrust loads.

 

Tapered roller bearings have tapered inner and outer ring raceways and tapered rollers. They are designed to accommodate combined loads, i.e. simultaneously acting radial and axial loads. The projection lines of the raceways meet at a common point on the bearing axis  to provide true rolling and low friction. The axial load carrying capacity of tapered roller bearings increases with increasing contact angle (α). The size of the angle is indicated by the calculation factor e († product tables): the larger the value of e, the larger the contact angle. A single row tapered roller bearing is typically adjusted against a second tapered roller bearing. 
Single row tapered roller bearings are separable , i.e. the inner ring with roller and cage assembly (cone) can be mounted separately from the outer ring (cup). 
The factors that influence CLUNT bearing performance and service life include but are not limited to the following:

 

 

Tapered roller bearings are produced in many designs and sizes to match their many uses. These can be grouped as follows

 

• single row tapered roller bearings
• paired single row tapered roller bearings
• double row tapered roller bearings , and
• four-row tapered roller bearings

Single-Row Tapered Roller Bearings 

 

The most basic and widely used tapered bearing, the single-row type consists of the cone assembly and the cup. It is usually fitted as one of an opposing pair.During equipment assembly, single-row bearings can be set to the required clearance (endplay) or preload condition to optimize performance.

 

Single-row tapered roller bearings have positive roller alignment that ensures true rolling motion and generates a “seating force” that pushes the roller against the cone large rib. This seating force prevents the rollers from skewing off apex, thereby keeping them positively aligned and located against the cone large rib.

 

Double-Row Tapered Roller Bearings 

 

Double- or two-row tapered roller bearings feature double cups and two single cones. They are available in a variety of configurations for general industrial and automotive applications.

Four-Row Tapered Roller Bearings 

 

Four-row bearings provide maximum capacity in minimum space, combining the inherent high-load, radial/thrust capacity and direct/indirect mounting variables of tapered roller bearings.Their main application is on the roll necks of rolling mill equipment.  All four-row bearings are supplied as pre-set matched assemblies with all components identified to ensure correct installation sequence.

 

 

Specification of Tapered Roller Bearings:

 

Products Name	Taper roller bearing 30218
Basic information	inner diameter:90mm outer diameter160mm
Brand	KLT or according to customers’ requirement
Type	Single-row taper roller bearing,Double-row taper roller bearing,Four-row taper roller bearing,auto bearing,Machine-tool bearing,Construction bearing ,Heavy-duty bearing ,tapered roller bearing ,agriculture machine bearing.
bearing material	chrome steel Gcr15
Cage Material	Steel ,Brass
High speed performance	Good
Quality Standard	ISO9001:2000
Service	OEM service
Payment Term	T/T,L/C or Western Union
Application  widely	Widely used in general machinery, automobiles, agricultural machinery and so on
Packaging	Industrial package/single white box packing
Market	Europe,America,Middle East,Asia,etc

 

 Applications

In many applications tapered roller bearings are used in back-to-back pairs so that axial forces can be supported equally in either direction.Pairs of tapered roller bearings are used in car and vehicle wheel bearings where they must cope simultaneously with large vertical (radial) and horizontal (axial) forces. Applications for tapered roller bearings are commonly used for moderate speed, heavy duty applications where durability is required. Common real world applications are in agriculture, construction and mining equipment, axle systems, gear box, engine motors and reducers.

Parts models of Tapered Roller Bearings:

 

New items	Old items
30202	7202
30203	7203E
30204	7204E
30205	7205E
30206	7206E
30207	7207E
30208	7208E
30209	7209E
30210	7210E
30211	7211E
30212	7212E
30213	7213E
30214	7214E
30215	7215E
30216	7216E
30217	7217E
30218	7218E
30219	7219E
30220	7220E
30221	7221E
30222	7222E
30224	7224E
30226	7226E
30228	7228E