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5304 2RS · 20 × 52 × 22.2

Deep groove ball · 5304 2RS

radial — mediumaxial — low, on both sides
    Simplified drawing of the bearing per ISO 8826-1, dimensions of 5304 2RS: ⌀20 × ⌀52 × 22.2 mm⌀52⌀2022.25304 2RS2RS
    Fig. 1: 5304 2RS, simplified drawing per ISO 8826-1. Dimensions in mm

    There is no photo of this product: the 3D model and drawing show the dimensions of 5304 2RS

    Load: radial medium; axial low, on both sidesDeep groove ball

    Bearing Koyo 5304 2RS

    €28.45per piece incl. VAT
    In stock: 30 pcs
    In the cart

    Specifications

    Manufacturer number
    ISO designation
    Equivalents
    2 exact, 21 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
    22.2 mm
    Width BRing width. Source: two supplier sources
    Seal
    2RSrubber, both sides
    Clearance
    normal clearance
    C
    24.7 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
    12.8 kN
    Basic static load rating C0Permissible load without rotation and under shock; ISO 76 method, manufacturer’s figure. Source: supplier data
    m
    0.23 kg
    MassWeight of the product. Source: supplier data
    01

    Equivalents

    the same size 20 × 52 × 22.2 from other brands

    25 products
    Series illustration (not a photo of this item): 5304 2RS
    You are viewingKoyo 5304 2RS
    €28.45baseline for the price comparison

    Everything the number specifies matches: series 53, 20 × 52 × 22.2 mm, contact seals on both sides, ordinary steel, design without special letters; any contact angle. The codes in the number are read against the Koyo catalogue.

    • Series illustration (not a photo of this item): 5304 2RS5304 2RSThis bearingKoyo20 × 52 × 22.230 pcs€28.45you are here
    • Series illustration (not a photo of this item): 5304 2RS (3304 2RS)5304 2RS (3304 2RS)CT20 × 52 × 22.2available to orderon request

    Under the price: the difference from the price of this bearing (€28.45).
    02

    Often bought with this

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

    6 products
    • 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
    • Seal 20×52JULU 020-52-10 TCWhy it fits: Oil seal 20×52: shaft 20 and housing bore 52, the same as the bearing; the bearing has its own seals (2RS), and the oil seal closes the unit from outside
      €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; the bearing has its own seals (2RS), and the oil seal closes the unit from outside
      €0.391,300 pcs
    03

    Details

    what this bearing is, questions

    About the bearing

    D 52d 20B 22.2
    d×D×Bsize 20 × 52 × 22.2mm
    Cdynamic 24.7kN
    C0static 12.8kN
    mweight 0.23kg

    Deep groove ball bearing 5304-2RS, design 2RS: contact seals on both sides.

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

    Frequently asked questions

    How does 2RS differ from ZZ?

    2RS has rubber seals that touch the inner ring and keep out dust and water better, which is the usual choice for field machinery. ZZ has metal shields that do not touch, allow higher speeds, and protect against dirt less well.

    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.

    04

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