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51103 · 17 × 30 × 9

Thrust ball · 51103

axial — medium, on one side
    Drawing of 51103: ⌀17 × ⌀30 × 9 mm⌀30⌀17951103
    Fig. 1: 51103, end view and section; internal parts simplified per ISO 8826-1. Dimensions in mm

    There is no photo of this product: the 3D model and drawing show the dimensions of 51103

    Load: no radial load; axial medium, on one sideThrust ball

    Bearing WBW 51103

    €1.73per piece incl. VAT
    Available to orderThe manager confirms the lead time
    In the cart

    Specifications

    Manufacturer number
    GOST number
    Equivalents
    7 exact, 2 approximate
    d
    17 mm
    Bore diameter dBearing bore = shaft diameter. Source: two supplier sources
    D
    30 mm
    Outside diameter DOutside diameter = housing bore. Source: two supplier sources
    H
    9 mm
    Height HMounting height: the distance between the seating faces of the washers of an assembled thrust bearing (ISO 104). Source: two supplier sources
    m
    0.025 kg
    MassWeight of the product. Source: supplier data
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    Equivalents

    the same size 17 × 30 × 9 from other brands

    11 products
    Photo: 51103
    You are viewingWBW 51103
    €1.73baseline for the price comparison

    Everything the number specifies matches: series 511, 17 × 30 × 9 mm, ordinary steel, design without special letters. The codes in the number are read against the WBW catalogue.

    • Photo: 5110351103This bearingWBW17 × 30 × 9available to order€1.73you are here
    • Series illustration (not a photo of this item): 5110351103CT17 × 30 × 915,886 pcs€0.33−€1.40
    • Series illustration (not a photo of this item): 5110351103NTE17 × 30 × 990 pcs€0.83−€0.90
    • Series illustration (not a photo of this item): 5110351103no brand17 × 30 × 9available to orderon request
    • Series illustration (not a photo of this item): 5110351103KG17 × 30 × 9available to orderon request
    • Series illustration (not a photo of this item): 5110351103SKF17 × 30 × 9available to orderon request
    • Photo: 5110351103Z&S17 × 30 × 9out of stockon request

    Under the price: the difference from the price of this bearing (€1.73).
    02

    Details

    what this bearing is, questions

    About the bearing

    d×D×Hsize 17 × 30 × 9mm
    mweight 0.025kg

    Thrust ball bearing 51103. Under GOST the same bearing is designated 8103.

    M: WBW data. Another brand publishes its own figures, so compare them against that brand’s catalogue.

    Frequently asked questions

    What is 8103?

    It is the same bearing under GOST 3189-89: 8103 corresponds to the ISO base 51103. Size 17 × 30 × 9 mm, a full equivalent of 51103.

    Can I fit another brand instead of this bearing?

    Without checking, only an exact equivalent: the size, seal, clearance and design match according to the brand’s catalogue. Positions with the same geometry differ in seal, clearance or design, and each one says so in the equivalents block. Load ratings differ between manufacturers, so for a heavily loaded unit compare C.

    How do I get a price and a lead time?

    Press “Request a quote” and send the part number and quantity. We reply with the price, availability and delivery terms for your country.

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