contact us
WhatsApp
Leave Your Message
32306 Taper roller bearing (Metric) 1.jpg
32306 Taper roller bearing (Metric) (2).jpg
32306 Taper roller bearing (Metric) (1).jpg

High Load Taper Roller Bearing 30*72*28.75 - Separable Design from China Suppliers and Factory for Auto & Construction

Separable Design: Our bearings feature a separable design, allowing the inner and outer rings to be easily separated. This functionality simplifies both installation and disassembly processes, making it an excellent choice for mechanical structures that require efficient maintenance and design flexibility. As a leading supplier in China, we ensure our products meet the highest standards for usability.

Capable of Bearing Combined Loads: These bearings are specifically engineered to handle combined loads, primarily focusing on radial loads while also managing axial forces in one direction. When radial loads are applied, an axial component force is generated, often necessitating an additional bearing to counterbalance this axial force. Our factory is dedicated to providing durable and reliable solutions for your radial and axial loading needs.

    Contact us
    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 30 * 72 * 27 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 Fields

    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 (kg approx)
    d D T B C r r1 r2 Dynamic (Cr) Static (Cor) Grease Oil
    30202 15 35 11.75 11 10 0.6 0.6 0.15 14000 13000 11000 15000 0.053
    30302 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 84 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
    320/32 32 58 17 17 13 1 1 0.3 45000 36000 6500 8500 0.191
    302/32 65 18.25 17 15 1 1 0.3 40000 38000 6200 8200 0.258
    322/32 65 22.25 21 18 1 1 0.3 50000 46000 6200 8200 0.33
    332/32 65 26 26 21 1 1 0.3 71000 62000 6200 8300 0.404
    303/32 75 21.75 20 18 1.5 1.5 0.6 58000 54000 5500 7000 0.445
    323/32 75 29.75 28 25 1.5 1.5 0.6 98000 86000 5500 7200 0.65
    32907 35 55 14 14 12 0.6 0.6 0.15 39000 27000 6300 8500 0.123
    32007 62 18 18 14 1 1 0.3 50000 41000 6100 8100 0.224
    33007 62 21 21 17 1 1 0.3 63000 51000 5600 8000 0.267
    30207 72 18.25 17 15 1.5 1.5 0.6 61000 55000 5500 7400 0.344
    32207 72 24.25 23 19 1.5 1.5 0.6 85000 70000 5500 7400 0.457
    33207 72 28 28 22 1.5 1.5 0.6 100000 85000 5500 7400 0.461
    30307 80 22.75 21 18 2 1.5 0.6 75000 71000 5000 6600 0.54
    31307 80 22.75 21 15 2 1.5 0.6 61000 56000 6000 8500 0.52
    32307 80 32.75 31 25 2 1.5 0.6 11000 94000 6000 8500 0.8
    32908 40 62 15 15 12 0.6 0.6 0.15 34000 47000 5600 7500 0.161
    32008 68 19 19 15 1 1 0.3 50000 65000 5300 7100 0.273
    33008 68 22 22 18 1 1 0.3 59000 82000 5300 7100 0.312
    33108 75 26 26 21 1.5 1.5 0.6 79000 103000 5200 6900 0.494
    30208 80 19.75 18 16 1.5 1.5 0.6 61000 67000 4900 6600 0.435
    32208 80 24.75 23 19 1.5 1.5 0.6 79000 93000 4900 6600 0.558
    33208 80 32 32 25 1.5 1.5 0.6 103000 132000 4900 6600 0.728
    30308 90 25.25 23 20 2 1.5 0.6 91000 102000 4400 5900 0.769
    31308 90 25.25 23 17 2 1.5 0.6 81000 95000 5600 7500 0.72
    32308 90 35.25 33 27 2 1.5 0.6 110000 140000 4200 5600 1.08

    For more technical parameters and product lines, please visit our website: www.jito.cc

    Our Advantages & Services

    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

    What are the boundary dimensions and load ratings for the 32306 bearing?

    The 32306 metric taper roller bearing features an inner diameter of 30 mm, an outer diameter of 72 mm, and a total assembly width of 28.75 mm (inner ring width 19 mm, outer ring width 14.5 mm). It has a basic dynamic load rating of 21,357 lbf (80,000 N) and a basic static load rating of 19,109 lbf (72,000 N).

    Why is the separable design of 32306 tapered roller bearings beneficial?

    The separable design allows the inner ring assembly (cone) and the outer ring (cup) to be mounted independently. This significantly simplifies installation, inspection, and maintenance procedures, especially in complex machine shafts and vehicle wheel hubs.

    Can the 32306 bearing support both radial and axial loads simultaneously?

    Yes. Tapered roller bearings are specifically engineered to accommodate heavy combined (radial and axial) loads. Because radial loads generate an internal axial force component, these bearings are commonly mounted in pairs (face-to-face or back-to-back) to counterbalance the axial force.

    What materials and precision grades are available for 32306 bearings?

    Our 32306 bearings are manufactured using high-grade GCr15 Chrome Steel for superior wear resistance and fatigue life. Precision ratings range from standard P0 to high-precision P6, P5, P4, and P2 classes to meet diverse application requirements.

    Do you offer OEM and custom packaging services?

    Yes, JITO provides comprehensive OEM solutions, including custom clearance settings (C0–C5), private label branding, customized industrial packaging (pallets, wooden crates, individual commercial boxes), and barcoding tailored to your exact specifications.

    What is the warranty coverage on JITO tapered roller bearings?

    All our bearings are backed by a standard 12-month warranty from the date of shipment against manufacturing and material defects, provided they are installed and operated under recommended working conditions.

    Leave Your Message