سری 31300

  • سری 31300
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
31305J2 25 62 18,25 38 40 4,4 7500 11000 0,26 7FB 25 45,8 17 13 1,5 1,5 20 34 32 47 55 59 3 5 1,5 1,5 0,83 0,72 0,4
31306J2/Q 30 72 20,75 55 50 5,7 7500 9500 0,39 7FB 30 52,7 19 14 1,5 1,5 22 40 37 55 65 68 3 6,5 1,5 1,5 0,83 0,72 0,4
31307J2/Q 35 80 22,75 71 67 7,8 6300 8500 0,52 7FB 35 59,6 21 15 2 1,5 25 45 44 62 71 76 3 7,5 2 1,5 0,83 0,72 0,4
31308J2/QCL7C 40 90 25,25 85 81,5 9,5 5600 7500 0,72 7FB 40 67,1 23 17 2 1,5 28 51 49 71 81 86 3 8 2 1,5 0,83 0,72 0,4
31309J2/QCL7C 45 100 27,25 106 102 12,5 5000 6700 0,95 7FB 45 74,7 25 18 2 1,5 31 57 53 79 91 95 4 9 2 1,5 0,83 0,72 0,4
31310J2/QCL7C 50 110 29,25 122 120 14,3 4500 6000 1,20 7FB 50 81,5 27 19 2,5 2 34 62 60 87 100 104 4 10 2 2 0,83 0,72 0,4
31311J2/QCL7C 55 120 31,5 140 137 16,6 4300 5600 1,55 7FB 55 88,4 29 21 2,5 2 37 68 65 94 112 113 4 10,5 2 2 0,83 0,72 0,4
31312J2/QCL7C 60 130 33,5 166 166 20,4 3800 5300 1,90 7FB 60 95,9 31 22 3 2,5 39 74 72 103 118 123 5 11,5 2,5 2 0,83 0,72 0,4
31313J2/QCL7C 65 140 36 190 193 23,6 3600 4800 2,35 7GB 65 103 33 23 3 2,5 42 80 77 111 128 132 5 13 2,5 2 0,83 0,72 0,4
31314J2/QCL7C 70 150 38 216 220 27 3400 4500 2,95 7GB 70 110 35 25 3 2,5 45 85 82 118 138 141 5 13 2,5 2 0,83 0,72 0,4
31315J2/QCL7C 75 160 40 240 245 29 3200 4300 3,50 7GB 75 116 37 26 3 2,5 48 91 87 127 148 151 6 14 2,5 2 0,83 0,72 0,4
31316J1/QCL7C 80 170 42,5 260 265 32 3000 4000 4,05 7GB 80 124 39 27 3 2,5 52 97 92 134 158 159 6 15,5 2,5 2 0,83 0,72 0,4
31317J2 85 180 44,5 242 285 33,5 2600 3800 4,60 7GB 85 131 41 28 4 3 55 103 99 143 166 169 6 16,5 3 2,5 0,83 0,72 0,4
31318J2 90 190 46,5 264 315 36,5 2400 3400 5,90 7GB 90 138 43 30 4 3 57 109 105 151 176 179 5 16,5 3 2,5 0,83 0,72 0,4
31319J2 95 200 49,5 292 355 39 2400 3400 6,95 7GB 95 145 45 32 4 3 60 114 110 157 186 187 5 17,5 3 2,5 0,83 0,72 0,4
31320XJ2/CL7CVQ051 100 215 56,5 430 465 51 2400 3000 8,60 7GB 100 158 51 35 4 3 65 121 115 168 201 202 7 21,5 3 2,5 0,83 0,72 0,4
31322XJ2 110 240 63 457 585 62 1900 2800 12,0 7GB 110 176 57 38 4 3 72 135 125 188 226 224 7 25 3 2,5 0,83 0,72 0,4
31324XJ2 120 260 68 539 695 73,5 1700 2400 15,5 7GB 120 190 62 42 4 3 78 145 135 203 245 244 9 26 3 2,5 0,83 0,72 0,4
31326XJ2 130 280 72 605 780 81,5 1600 2400 18,5 7GB 130 204 66 44 5 4 84 157 150 218 263 261 8 28 4 3 0,83 0,72 0,4
31328XJ2 140 300 77 693 900 88 1500 2200 24,5 7GB 140 219 70 47 5 4 90 169 160 235 283 280 9 30 4 3 0,83 0,72 0,4
31330XJ2 150 320 82 781 1020 100 1400 2000 29,5 7GB 150 234 75 50 5 4 96 181 170 251 303 300 9 32 4 3 0,83 0,72 0,4

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