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High Load Taper Roller Bearing 30205 - China Suppliers & Factory for Automotive, Mining, Wind Power Equipment

Structural Features of Tapered Roller Bearings

Our tapered roller bearings feature conical inner and outer raceways with precisely arranged tapered rollers. All projection lines of the conical surfaces converge at a singular point along the bearing axis, ensuring optimal load distribution and performance.

This separable bearing design allows for easy maintenance, installation, and disassembly. The inner ring, roller, and cage assembly can be easily removed from the outer ring, making it convenient for various applications. As a leading factory and suppliers in China, we assure top-quality products to meet your industrial needs.

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    Product Details

    ⚙ Bearing Detail (30205 Metric)

    Item No. 30205 (Metric)
    Bearing Type Taper roller bearing (Metric)
    Seals Type Open, 2RS
    Material Chrome steel GCr15
    Precision P0, P2, P5, P6, P4
    Clearance C0, C2, C3, C4, C5
    Specification 25 * 52 * 16.25 mm (d * D * T)
    Inner Ring Width (B) 15 mm
    Outer Ring Width (C) 13 mm
    Contact Angle 14.036°
    Basic Rated Dynamic Load (Cr) 38.1 kN
    Basic Rated Static Load (Cor) 33.5 kN
    Reference Speed 11,000 r/min
    Limiting Speed 13,000 r/min
    Brand JITO or OEM Service Available
    Key Features
    • Long-life operational durability with premium high quality
    • Low-noise performance ensured by strict JITO manufacturing tolerances
    • High-load capacity engineered via advanced technical raceway designs
    • Competitive factory-direct value and cost efficiency
    • Full OEM & ODM customization offered to match customer demands
    Primary Applications Automobiles, rolling mills, mining equipment, metallurgy, plastic machinery, and industrial gearboxes
    Packaging Options Pallet, wooden case, commercial individual box packaging, or customized to customer specifications

    🏭 Application Areas

    Industrial Machinery

    Widely used in various industrial equipment that need to withstand combined radial and axial loads, such as gearboxes, electric motors, and speed reducers.

    Automotive Sector

    Commonly deployed in automotive wheel hubs, transmission assemblies, differentials, and axle shafts to handle complex dynamic road loads.

    Agricultural Machinery

    Used in powertrain transmissions and wheel axles of tractors and harvesters, adapting effortlessly to harsh field conditions and heavy impact loads.

    Other Heavy Industries

    Engineered for robust performance in mining machinery, construction engineering equipment, textile machinery, and steel mill mechanisms.

    🔧 Installation Precautions & Maintenance

    Clearance Adjustment: When installing single-row tapered roller bearings, the operating internal clearance must be adjusted manually during assembly to guarantee proper load distribution and optimal service life. Double-row and four-row bearings have factory preset clearances and usually do not require manual adjustment.
    Installation Method: Maintain strict matching accuracy between the bearing, shaft, and housing seat to prevent overly loose or excessively tight fits. Ensure proper mounting orientation so the tapered rollers oppose the applied axial forces correctly.
    Lubrication and Sealing: Selecting the proper lubricant and sealing system is vital for 30205 bearing longevity. Choose between high-grade grease or circulating oil depending on operating speeds and ambient temperatures, and use reliable seals to prevent lubricant leakage and particulate contamination.

    📋 Product Description & Technical Standards

    1. Tapered Roller Bearing Introduction

    Tapered roller bearings feature separable inner ring (cone) and outer ring (cup) assemblies with conical raceways. Available in single-row, double-row, and multi-row configurations. Single-row bearings carry simultaneous radial and unidirectional axial loads. When radial load is applied, an internal axial component is generated, requiring a paired opposed bearing for balance.

    2. Industrial Applications

    Because the cone assembly (inner ring with rollers and cage) mounts independently of the cup (outer ring), installation and maintenance are streamlined across automotive, metallurgical, mining, rolling mill, and plastics processing industries.

    3. Suffix Code Definitions
    A: Internal structure modification
    B: Increased contact angle
    X: Boundary dimensions per ISO standard
    CD: Double outer ring with oil hole/groove
    TD: Double inner ring with tapered bore

    📊 Related 30200 & 30300 Series Tapered Roller Bearings Catalogue

    Bearing No. Boundary Dimensions (mm) Basic Load Ratings (N) Limiting Speeds (r/min) Weight (kg)
    d D T B C r (min) r1 (min) r2 (min) Dynamic (Cr) Static (Cor) Grease Oil
    30202 15 35 11.75 11 10 0.6 0.6 0.15 14,000 13,000 11,000 15,000 0.053
    30302 42 14.25 13 11 1.0 1.0 0.30 23,000 20,000 9,900 13,000 0.098
    30203 17 40 13.25 12 11 1.0 1.0 0.30 20,000 20,000 9,900 13,000 0.080
    32203 40 17.25 16 14 1.0 1.0 0.30 26,000 22,000 9,900 13,000 0.108
    30303 47 15.25 14 12 1.0 1.0 0.30 28,000 26,000 9,000 12,000 0.134
    32303 47 20.25 16 14 1.0 1.0 0.30 27,000 28,000 9,900 13,000 0.102
    32004 20 42 15.00 15 12 0.6 0.6 0.15 27,000 24,000 9,500 13,000 0.097
    30204 47 15.25 14 12 1.0 1.0 0.30 29,000 28,000 8,800 12,000 0.127
    32204 47 19.25 18 15 1.0 1.0 0.30 39,000 36,000 8,800 12,000 0.160
    30304 52 16.25 15 13 1.5 1.5 0.60 35,000 34,000 8,000 11,000 0.169
    32304 52 22.25 21 18 1.5 1.5 0.60 48,000 46,000 8,000 11,000 0.245
    320/22 22 44 15.00 15 12 0.6 0.6 0.15 33,000 28,000 9,000 12,000 0.108
    302/22 50 15.25 14 12 1.0 1.0 0.30 27,000 26,000 8,100 11,000 0.141
    322/22 50 19.25 18 15 1.0 1.0 0.30 41,000 36,000 8,100 11,000 0.172
    303/22 56 17.25 16 14 1.5 1.5 0.60 36,000 34,000 7,700 10,000 0.209
    323/22 56 22.25 21 18 1.5 1.5 0.60 45,000 43,000 7,600 10,000 0.263
    32005 25 47 15.00 15 12 0.6 0.6 0.15 33,000 27,000 7,900 11,000 0.114
    33005 47 17.00 17 14 0.6 0.6 0.15 38,000 31,000 8,000 11,000 0.131
    30205 52 16.25 15 13 1.0 1.0 0.30 34,000 31,000 7,300 9,800 0.154
    32205 52 19.25 18 16 1.0 1.0 0.30 42,000 37,000 7,300 9,800 0.154
    33205 52 22.00 22 18 1.0 1.0 0.30 47,000 43,000 7,300 9,800 0.217
    30305 62 18.25 17 15 1.5 1.5 0.60 48,000 45,000 6,700 8,900 0.272
    31305 62 18.25 17 13 1.5 1.5 0.60 38,000 36,000 7,500 11,000 0.260
    32305 62 25.25 24 20 1.5 1.5 0.60 61,000 57,000 6,700 8,900 0.381
    320/28 28 52 16.00 16 12 1.0 1.0 0.30 36,000 33,000 7,500 10,000 0.146
    302/28 58 17.25 16 14 1.0 1.0 0.30 35,000 33,000 7,000 9,000 0.204
    322/28 58 20.25 19 16 1.0 1.0 0.30 44,000 40,000 6,900 9,300 0.236
    303/28 68 19.75 18 16 1.5 1.5 0.60 46,000 44,000 6,000 8,000 0.333
    323/28 68 25.75 24 21 1.5 1.5 0.60 64,000 60,000 6,000 8,000 0.453
    32906 30 47 12.00 12 9 0.6 0.6 0.15 24,000 17,000 7,500 10,000 0.073
    32006 55 17.00 17 13 1.0 1.0 0.30 45,000 36,000 6,900 9,200 0.166
    33006 55 20.00 20 16 1.0 1.0 0.30 50,000 46,000 6,700 9,000 0.208
    30206 62 17.25 16 14 1.0 1.0 0.30 48,000 43,000 6,300 8,400 0.241
    32206 62 21.25 20 17 1.0 1.0 0.30 64,000 54,000 6,300 8,400 0.241
    33206 62 25.00 25 20 1.0 1.0 0.30 75,000 64,000 6,300 8,400 0.344
    30306 72 20.75 19 16 1.5 1.5 0.60 60,000 58,000 5,700 7,600 0.408
    31306 72 20.75 19 16 1.5 1.5 0.60 57,000 47,000 6,700 9,500 0.390
    32306 72 28.75 27 23 1.5 1.5 0.60 80,000 72,000 7,000 10,000 0.550
    320/32 32 58 17.00 17 13 1.0 1.0 0.30 45,000 36,000 6,500 8,500 0.191
    302/32 65 18.25 17 15 1.0 1.0 0.30 40,000 38,000 6,200 8,200 0.258
    322/32 65 22.25 21 18 1.0 1.0 0.30 50,000 46,000 6,200 8,200 0.330
    332/32 65 26.00 26 21 1.0 1.0 0.30 71,000 62,000 6,200 8,300 0.404
    303/32 75 21.75 20 18 1.5 1.5 0.60 58,000 54,000 5,500 7,000 0.445
    323/32 75 29.75 28 25 1.5 1.5 0.60 98,000 86,000 5,500 7,200 0.650
    32907 35 55 14.00 14 12 0.6 0.6 0.15 39,000 27,000 6,300 8,500 0.123
    32007 62 18.00 18 14 1.0 1.0 0.30 50,000 41,000 6,100 8,100 0.224
    33007 62 21.00 21 17 1.0 1.0 0.30 63,000 51,000 5,600 8,000 0.267
    30207 72 18.25 17 15 1.5 1.5 0.60 61,000 55,000 5,500 7,400 0.344
    32207 72 24.25 23 19 1.5 1.5 0.60 85,000 70,000 5,500 7,400 0.457
    33207 72 28.00 28 22 1.5 1.5 0.60 100,000 85,000 5,500 7,400 0.461
    30307 80 22.75 21 18 2.0 1.5 0.60 75,000 71,000 5,000 6,600 0.540
    31307 80 22.75 21 15 2.0 1.5 0.60 61,000 56,000 6,000 8,500 0.520
    32307 80 32.75 31 25 2.0 1.5 0.60 111,000 94,000 6,000 8,500 0.800
    32908 40 62 15.00 15 12 0.6 0.6 0.15 34,000 47,000 5,600 7,500 0.161
    32008 68 19.00 19 15 1.0 1.0 0.30 50,000 65,000 5,300 7,100 0.273
    33008 68 22.00 22 18 1.0 1.0 0.30 59,000 82,000 5,300 7,100 0.312
    33108 75 26.00 26 21 1.5 1.5 0.60 79,000 103,000 5,200 6,900 0.494
    30208 80 19.75 18 16 1.5 1.5 0.60 61,000 67,000 4,900 6,600 0.435
    32208 80 24.75 23 19 1.5 1.5 0.60 79,000 93,000 4,900 6,600 0.558
    33208 80 32.00 32 25 1.5 1.5 0.60 103,000 132,000 4,900 6,600 0.728
    30308 90 25.25 23 20 2.0 1.5 0.60 91,000 102,000 4,400 5,900 0.769
    31308 90 25.25 23 17 2.0 1.5 0.60 81,000 95,000 5,600 7,500 0.720
    32308 90 35.25 33 27 2.0 1.5 0.60 110,000 140,000 4,200 5,600 1.080

    To view full dimension tables up to 440mm bore diameter, please visit our official website at: www.jito.cc

    ⭐ Our Manufacturing & Service Advantages

    Solution

    We communicate closely with clients to understand specific operational demands, delivering optimized engineering solutions tailored to site conditions.

    Quality Control (Q/C)

    Full compliance with ISO standards. Professional Q/C inspectors and precision testing instruments oversee every stage from raw steel to packaging.

    Package

    Standardized export packaging with anti-rust protection. Custom boxes, brand logos, and barcode labeling available on request.

    Logistics

    Cost-efficient containerized ocean freight for bulk shipments, paired with expedited air freight and express courier services for urgent orders.

    Warranty

    We provide a 12-month quality warranty from the date of shipment against defects in material and workmanship under normal designated operating conditions.

    ❓ Frequently Asked Questions (FAQ)

    What are the exact key dimensions of a 30205 tapered roller bearing?

    The metric 30205 tapered roller bearing has a 25 mm bore diameter (d), a 52 mm outside diameter (D), an assembled total width of 16.25 mm (T), an inner ring width of 15 mm (B), and an outer ring width of 13 mm (C).

    Can a single-row 30205 bearing withstand axial loads in both directions?

    No. Single-row tapered roller bearings support combined radial loads and axial forces in one direction only. For two-way axial support, bearings are mounted in opposed pairs (face-to-face or back-to-back).

    What is the significance of the bearing suffix "X"?

    The suffix "X" designates that the bearing's boundary dimensions and outer ring cup dimensions strictly comply with standard international ISO specifications for universal interchangeability.

    What are the speed and dynamic load ratings for the 30205 model?

    The 30205 bearing delivers a basic rated dynamic load (Cr) of 38.1 kN and static load (Cor) of 33.5 kN, with a reference speed of 11,000 r/min and limiting speed of 13,000 r/min.

    Do you offer customized branding and OEM packaging for bulk orders?

    Yes. We offer comprehensive OEM/ODM services, including customized laser engraving, specialized box designs, tailored barcodes, and export-grade pallet packaging.

    What warranty coverage is included with JITO bearings?

    All standard bearings carry a 12-month limited warranty from the date of shipment against material and manufacturing defects when installed and lubricated properly.

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