32306 Taper roller bearing (Metric) 1.jpg

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China Taper Roller Bearing 32306 (307228.7- High Load for Automobile & Construction Machinery | Suppliers & Factory

Separable Design for Easy Maintenance: Our bearings feature a separable design, allowing the inner and outer rings to be easily detached. This not only simplifies the installation and disassembly process but also enhances the maintenance of mechanical structures, making them ideal for various applications.

Versatile Load Bearing Capabilities: Designed to support combined loads, our bearings primarily handle radial and axial loads, with an emphasis on radial strength. They effectively bear radial forces while simultaneously managing axial forces in one direction. When experiencing radial loads, an axial component force is generated, necessitating the use of an additional bearing to counterbalance axial forces. As one of the leading suppliers in China, our factory ensures the highest quality bearings to meet diverse industrial needs.

Product Details

Bearing Detail

Item No.	32306 (Metric)
Bearing Type	Taper roller bearing (Metric)
Material	Chrome steel GCr15
Precision	P0, P2, P5, P6, P4
Clearance	C0, C2, C3, C4, C5
Specification	307227 mm
Inner Ring Width	19 mm
Outer Ring Width	14.5 mm
Contact Angle	11.86°
Basic Rated Dynamic Load	21357 lbf
Basic Rated Static Load	19109 lbf
Reference Speed	7500 r/min
Limiting Speed	10000 r/min
Brand	JITO or OEM
Separable	Yes
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

32306 Taper Roller Bearing Structural Features

Separable Design

The inner and outer rings of the bearing can be separated, which is convenient for installation and disassembly, and is conducive to simplifying the design and maintenance of mechanical structures.

Can Bear Combined Loads

Mainly bear radial and axial combined loads dominated by radial loads. It can bear radial force and axial force in a single direction at the same time. When bearing radial loads, an axial component force will be generated, and another bearing that can withstand the axial force in the opposite direction is usually required to balance it.

Adjustable Clearance

The size of the clearance can be adjusted during the installation process. By adjusting the clearance, the performance of the bearing can be optimized to adapt to different working conditions. For example, the appropriate radial and axial clearance can be adjusted according to the actual working conditions to improve the running accuracy and life of the bearing.

Large Load Capacity

Compared with angular contact ball bearings, the load capacity is large. This is because the tapered roller and the raceway are in line contact, while the angular contact ball bearing is in point contact, and the line contact can withstand a larger load.

Low Limit Speed

Due to the structural characteristics of tapered roller bearings, the friction between its rolling elements and the raceway is relatively large, resulting in a lower limit speed than some ball bearings, such as deep groove ball bearings and angular contact ball bearings.

Application

Automotive Industry

Commonly used in automobile wheel hub bearings, especially the wheel hubs of trucks and large buses, which need to bear the weight of the vehicle (radial load) and the axial force generated during braking.

Industrial Machinery

Widely used in machine tools, reducers, mining machinery, metallurgical machinery, plastic machinery and other equipment. For example, the spindle support of machine tools, the input and output shaft support of reducers and other parts need to bear radial and axial composite loads, and tapered roller bearings can meet these requirements well.

Engineering Machinery

Such as excavators, loaders, cranes, etc., 32306 tapered roller bearings are often used in various joints and transmission systems of their working devices to withstand complex load conditions and ensure the reliable operation of the equipment.

Agricultural Machinery

Such as tractors, harvesters, etc., need to withstand large radial loads and certain axial loads in their transmission systems and wheel support parts. 32306 tapered roller bearings can adapt to the force requirements of agricultural machinery under different terrains and working conditions.

Related 30300 Series Tapered Roller Bearings Catalogue

Bearing Numbers	Boundary Dimensions (mm)								Basic Load Ratings (N)		Limiting Speeds (r/min)		Weight (approx) kg
	d	D	T	B	C	r	r1	r2	Dynamic	Static	Grease	Oil
	d	D	T	B	C	r	r1	r2	Cr	Cor	Grease	Oil
30202	15	35	11.75	11	10	0.6	0.6	0.15	14000	13000	11000	15000	0.053
30302	15	42	14.25	13	11	1	1	0.3	23000	20000	9900	13000	0.098
30203	17	40	13.25	12	11	1	1	0.3	20000	20000	9900	13000	0.08
32203		40	17.25	16	14	1	1	0.3	26000	22000	9900	13000	0.108
30303		47	15.25	14	12	1	1	0.3	28000	26000	9000	12000	0.134
32303		47	20.25	16	14	1	1	0.3	27000	28000	9900	13000	0.102
32004	20	42	15	15	12	0.6	0.6	0.15	27000	24000	9500	13000	0.097
30204		47	15.25	14	12	1	1	0.3	29000	28000	8800	12000	0.127
32204		47	19.25	18	15	1	1	0.3	39000	36000	8800	12000	0.16
30304		52	16.25	15	13	1.5	1.5	0.6	35000	34000	8000	11000	0.169
32304		52	22.25	21	18	1.5	1.5	0.6	48000	46000	8000	11000	0.245
320/22	22	44	15	15	12	0.6	0.6	0.15	33000	28000	9000	12000	0.108
302/22		50	15.25	14	12	1	1	0.3	27000	26000	8100	11000	0.141
322/22		50	19.25	18	15	1	1	0.3	41000	36000	8100	11000	0.172
303/22		56	17.25	16	14	1.5	1.5	0.6	36000	34000	7700	10000	0.209
323/22		56	22.25	21	18	1.5	1.5	0.6	45000	43000	7600	10000	0.263
32005	25	47	15	15	12	0.6	0.6	0.15	33000	27000	7900	11000	0.114
33005		47	17	17	14	0.6	0.6	0.15	38000	31000	8000	11000	0.131
30205		52	16.25	15	13	1	1	0.3	34000	31000	7300	9800	0.154
32205		52	19.25	18	16	1	1	0.3	42000	37000	7300	9800	0.154
33205		52	22	22	18	1	1	0.3	47000	43000	7300	9800	0.217
30305		62	18.25	17	15	1.5	1.5	0.6	48000	45000	6700	8900	0.272
31305		62	18.25	17	13	1.5	1.5	0.6	38000	36000	7500	11000	0.26
32305		62	25.25	24	20	1.5	1.5	0.6	61000	57000	6700	8900	0.381
320/28	28	52	16	16	12	1	1	0.3	36000	33000	7500	10000	0.146
302/28		58	17.25	16	14	1	1	0.3	35000	33000	7000	9000	0.204
322/28		58	20.25	19	16	1	1	0.3	44000	40000	6900	9300	0.236
303/28		68	19.75	18	16	1.5	1.5	0.6	46000	44000	6000	8000	0.333
323/28		68	25.75	24	21	1.5	1.5	0.6	64000	60000	6000	8000	0.453
32906	30	47	12	12	9	0.6	0.6	0.15	24000	17000	7500	10000	0.073
32006		55	17	17	13	1	1	0.3	45000	36000	6900	9200	0.166
33006		55	20	20	16	1	1	0.3	50000	46000	6700	9000	0.208
30206		62	17.25	16	14	1	1	0.3	48000	43000	6300	8400	0.241
32206		62	21.25	20	17	1	1	0.3	64000	54000	6300	8400	0.241
33206		62	25	25	20	1	1	0.3	75000	64000	6300	8400	0.344
30306		72	20.75	19	16	1.5	1.5	0.6	60000	58000	5700	7600	0.408
31306		72	20.75	19	16	1.5	1.5	0.6	57000	47000	6700	9500	0.39
32306		72	28.75	27	23	1.5	1.5	0.6	80000	72000	7000	10000	0.55

If more, please click our website www.jito.cc

Advantage

Solution

At the beginning, we will have a communication with our customers on their demand, then our engineers will work out an optimum solution based on the customers’ demand and condition.

Quality Control (Q/C)

In accordance with ISO standards, we have professional Q/C staff, precision testing instruments and internal inspection system, the quality control is implemented in every process from material receiving to products packaging to ensure our bearings quality.

Package

Standardized export packing and environment-protected packing material are used for our bearings, the custom boxes, labels, barcodes etc. can also be provided according to our customer’s request.

Logistic

Normally, our bearings will be sent to the customers by ocean transportation due to its heavy weight, airfreight, express is also available if our customers need.

Warranty

We warrant our bearings to be free from defects in material and workmanship for a 12 months period from the shipping date, this warranty is voided by non-recommended use, improper installation or physical damage.

Frequently Asked Questions (FAQ)

What are the boundary dimensions of the 32306 tapered roller bearing?

The 32306 metric tapered roller bearing has an inner bore diameter (d) of 30 mm, an outer diameter (D) of 72 mm, a total assembled width (T) of 28.75 mm, an inner ring width (B) of 27 mm, and an outer ring width (C) of 23 mm.

What types of load can the 32306 bearing support?

The 32306 bearing is designed to support heavy combined radial and unidirectional axial loads. Due to the tapered design, radial loads generate an internal axial force component, requiring a paired or opposed bearing setup to balance.

Can the cone and cup of 32306 bearings be mounted separately?

Yes, the 32306 bearing features a separable design. The inner ring with roller and cage assembly (cone) and the outer ring (cup) can be mounted independently, facilitating easy assembly, inspection, and maintenance.

What are the dynamic and static load ratings of bearing 32306?

The 32306 bearing features a basic rated dynamic load of 21,357 lbf (approx. 80,000 N) and a basic rated static load of 19,109 lbf (approx. 72,000 N), offering superior load capacity compared to standard ball bearings.

What are typical applications for 32306 tapered roller bearings?

Typical applications include automotive wheel hubs (trucks, trailers, buses), industrial gear reducers, machine tool spindles, construction equipment (excavators, cranes), and agricultural machinery transmissions.

Can the internal clearance of 32306 bearings be adjusted during installation?

Yes, internal clearance can be fine-tuned during mounting by adjusting the axial position of the bearing cup or cone, optimizing preload, running accuracy, and operational service life.

China Taper Roller Bearing 32306 (307228.7- High Load for Automobile & Construction Machinery | Suppliers & Factory

Bearing Detail