30300 Series

Tapered roller bearings are separate bearings, and the inner and outer rings of the bearing have tapered raceways. This type of bearing is divided into different structural types such as single row, double row and four row tapered roller bearings according to the number of rows of rollers installed. Single row tapered roller bearings can withstand radial loads and axial loads in a single direction. When the bearing is subjected to a radial load, an axial component will be generated, so another bearing that can withstand the axial force in the opposite direction is needed to balance.

1. Taper Roller Bearing Application:

Tapered roller bearings are usually of a separate type, that is, a conical inner ring assembly consisting of an inner ring with a roller and a cage assembly can be mounted separately from the outer bevel (outer ring). Tapered roller bearings are widely used in automobiles, rolling mills, mining, metallurgy, plastic machinery and other industries.

2. Tapered Roller Bearing Suffix definition:

A: Internal structure change

B: increased contact angle

X: The external dimensions are in accordance with international standards.

CD: Double outer ring with oil hole or oil groove.

TD: Double inner ring with tapered bore.

Tapered roller bearings are precision-engineered bearings designed to handle both radial and axial loads by utilizing tapered rolling elements. Here's a description of tapered roller bearings:

1. Tapered Design: Tapered roller bearings have cone-shaped rolling elements (called rollers) and raceways on the inner and outer rings, which are tapered in the shape of a truncated cone. The angle of the taper typically ranges between 10 and 30 degrees.

2. Single or Double Row: Tapered roller bearings can be configured as single-row bearings, where the rollers are arranged in a single row between an inner and outer ring, or as double-row bearings, which consist of two single-row assemblies mounted face-to-face or back-to-back.

3. High Load Capacity: Due to their tapered design and large contact area between the rollers and raceways, tapered roller bearings can support both radial and axial loads. The load-carrying capacity increases as the angle of the taper increases.

4. Axial and Radial Clearance Adjustment: Tapered roller bearings are capable of accommodating axial displacement of the shaft relative to the housing, allowing for axial clearance adjustment during installation or operation.

5. Efficient Transmission of Axial Loads: Tapered roller bearings are particularly suitable for applications where axial loads are present, such as in automotive wheel hubs, gearboxes, and heavy machinery.

6. Precision Tolerance and Consistency: Tapered roller bearings are manufactured to tight tolerances to ensure precise alignment of the rolling elements, minimizing friction and maximizing efficiency.

7. Lubrication and Sealing: Tapered roller bearings are often equipped with lubrication holes and grooves in the outer ring to facilitate the distribution of grease or oil. They can also be supplied with seals or shields to protect against contamination and retain lubricant.

8. Mounting and Disassembly: Tapered roller bearings can be mounted individually or in pairs using appropriate mounting methods, such as press fitting onto a shaft or housing. They can also be easily disassembled for maintenance or replacement.

   Bearing Detail
   Item No.	2780/2720
   Bearing Type	Taper roller bearing (Inch)
   Material	Chrome steel GCr15
   Precision	P0,P2,P5,P6,P4
   Clearance	C0,C2,C3,C4,C5
   Bearing size	inner diameter 0-200mm, outer diameter 0-400mm
   Cage type	Brass, steel, nylon, etc.
   Ball Bearings Feature	Long-life with high quality
   	Low-noise with strict controlling the quality of JITO bearing
   	High-load by the advanced high-technical design
   	Competitive price, which has the most valuable
   	OEM service offered, to meet the customers requirements
   Application	Automobiles, rolling mills, mining, metallurgy, plastic machinery and other industries
   Bearing Package	Pallet,wooden case,commercial packaging or as customers' requirement

   
   

   Packaging & Delivery:

   Packaging Details: Standard exporting packing or according to the customer's requirements

   Package Type:	A. Plastic tubes Pack + Carton + Wooden Pallet
   	B. Roll Pack + Carton + Wooden Pallet
   	C. Individual Box +Plastic bag+ Carton + Wooden Pallet

   
   

   Lead Time :
   Quantity(Pieces)	1 - 300	>300
   Est. Time(days)	2	To be negotiated