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NJ 304 · 20 × 52 × 15

Cylindrical roller · NJ 304

radial — highaxial — low, on one side
    Drawing of NJ 304: ⌀20 × ⌀52 × 15 mm⌀52⌀2015NJ 304
    Fig. 1: NJ 304, 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 NJ 304

    Load: radial high; axial low, on one sideCylindrical roller NJ

    Bearing CT NJ 304

    €2.11per piece incl. VAT
    In stock: 109 pcs
    In the cart

    Specifications

    Manufacturer number
    Equivalents
    4 exact, 5 approximate
    d
    20 mm
    Bore diameter dBearing bore = shaft diameter. Source: two supplier sources
    D
    52 mm
    Outside diameter DOutside diameter = housing bore. Source: two supplier sources
    B
    15 mm
    Width BRing width. Source: two supplier sources
    Seal
    open, no protection
    Clearance
    normal clearance
    C
    35.5 kN
    Basic dynamic load rating CLoad for one million revolutions at 90 % reliability; the L10 life is calculated from it as (C/P)^p. ISO method, manufacturer’s figure: do not carry it over to another brand. Source: supplier data
    C0
    26 kN
    Basic static load rating C0Permissible load without rotation and under shock; ISO 76 method, manufacturer’s figure. Source: supplier data
    m
    0.17 kg
    MassWeight of the product. Source: supplier data
    01

    Equivalents

    the same size 20 × 52 × 15 from other brands

    10 products
    Series illustration (not a photo of this item): NJ 304
    You are viewingCT NJ 304
    €2.11baseline for the price comparison

    Size and design match across the brand catalogues. The codes in the number are read against the CT catalogue.

    • Series illustration (not a photo of this item): NJ 304NJ 304This bearingCT20 × 52 × 15109 pcs€2.11you are here
    • Photo: NJ 304 ENJ 304 EZ&S20 × 52 × 15available to order€8.35+€6.24
    • Photo: NJ 304 EMNJ 304 EMZ&S20 × 52 × 15available to order€9.35+€7.24
    • Series illustration (not a photo of this item): NJ 304NJ 304UTL20 × 52 × 15out of stockon request

    Under the price: the difference from the price of this bearing (€2.11).
    02

    Often bought with this

    seal 20×52, shaft snap ring Ø20, bore snap ring Ø52

    6 products
    • Seal 20×52JULU 020-52-10 TCWhy it fits: Oil seal 20×52: shaft 20 and housing bore 52, the same as the bearing
      €0.392,570 pcs
    • Seal 20×52JULU 020-52-7 TCWhy it fits: Oil seal 20×52: shaft 20 and housing bore 52, the same as the bearing
      €0.391,300 pcs
    • Shaft snap ring Ø20CT SEG 20 Z by 1000Why it fits: DIN 471 snap ring for a 20 shaft: holds the inner ring on the shaft
      €22.57available to order
    • Shaft snap ring Ø20SEG 20 Z (100 pcs)Why it fits: DIN 471 snap ring for a 20 shaft: holds the inner ring on the shaft
      Price to be confirmedavailable to order
    • Bore snap ring Ø52CT SEG 52 W by 1000Why it fits: DIN 472 snap ring for a 52 bore: holds the outer ring in the housing
      €86.47available to order
    • Bore snap ring Ø52CT-RING SEG 52 W (100 pcs)Why it fits: DIN 472 snap ring for a 52 bore: holds the outer ring in the housing
      Price to be confirmedavailable to order
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    Details

    what this bearing is, questions

    About the bearing

    d×D×Bsize 20 × 52 × 15mm
    Cdynamic 35.5kN
    C0static 26kN
    mweight 0.17kg

    Cylindrical roller NJ bearing NJ 304.

    C, C₀, m: CT data. Another brand publishes its own figures, so compare them against that brand’s catalogue.

    Frequently asked questions

    Will 304 C3 fit instead?

    Same size, clearance greater than normal. C3 is used where the bearing runs hot or sits on the shaft with an interference fit. If the old bearing is not marked C3, take this one.

    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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