Серия 30200

  • Серия 30200
selectInquiryDesignationPrincipal dimensions(mm)Basic load ratings(KN) PuSpeed ratings(rpm) Weight(Kg)ISO335 Dimensions (mm) Abutment and fillet dimensions (mm) Value
d1DBdyc(Cr)stc(Cor)Speed RatingsLimiting SpeedDimensions (ABMA)dd1~BCr1,2(min)r3,4(min)ada(max)db(min)Da(min)Da(max)Db(min)Ca(min)Cb(min)ra(max)rb(max)eYYo
30234J2 170 310 57 616 865 83 1500 2000 19,0 4GB 170 230 52 43 5 4 58 203 190 268 293 288 8 14 4 3 0,43 1,4 0,8
30236J2 180 320 57 583 815 80 1500 2000 20,0 4GB 180 239 52 43 5 4 61 211 200 278 303 297 9 14 4 3 0,44 1,35 0,8
30238J2 190 340 60 721 1000 95 1400 1800 24,0 4GB 190 254 55 46 5 4 63 224 210 298 323 318 9 14 4 3 0,43 1,4 0,8
30240J2 200 360 64 792 1120 106 1300 1700 25,0 4GB 200 268 58 48 5 4 68 237 220 315 343 336 9 16 4 3 0,43 1,4 0,8
30244J2 220 400 72 990 1400 129 1200 1600 40,0 - 220 294 65 54 5 4 74 259 242 348 383 371 10 18 4 3 0,43 1,4 0,8
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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