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2304 MC3 · 20 × 52 × 21

Self-aligning ball · 2304 MC3

radial — mediumaxial — low, on both sides
    Drawing of 2304 MC3: ⌀20 × ⌀52 × 21 mm⌀52⌀20212304 MC3
    Fig. 1: 2304 MC3, 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 2304 MC3

    Load: radial medium; axial low, on both sidesSelf-aligning ball

    Bearing NSK 2304 MC3

    Price on request
    Available to order
    Request a quoteIn the cart: send the request

    Specifications

    Manufacturer number
    ISO designation
    GOST number
    Equivalents
    1 exact, 3 approximate
    d
    20 mm
    Bore diameter dBearing bore = shaft diameter. Source: supplier data
    D
    52 mm
    Outside diameter DOutside diameter = housing bore. Source: supplier data
    B
    21 mm
    Width BRing width. Source: supplier data
    Seal
    open, no protection
    Clearance
    MC3
    01

    Equivalents

    the same size 20 × 52 × 21 from other brands

    4 products
    Series illustration (not a photo of this item): 2304 MC3
    You are viewingNSK 2304 MC3

    Same size, different design: the difference is written in the row.

    • Series illustration (not a photo of this item): 2304 2RS2304 2RScontact seals on both sides, normal clearanceCT20 × 52 × 2154 pcs€3.47
    • Series illustration (not a photo of this item): 2304 2RS2304 2RScontact seals on both sides, normal clearanceno brand20 × 52 × 21available to orderon request
    • Cross-section drawing to size: Self-aligning ball, 20 × 52 × 21 mm2304 2RS ETN9contact seals on both sides, normal clearance, E, TN9ISB20 × 52 × 21available to orderon request
    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
    03

    Details

    what this bearing is, questions

    About the bearing

    d×D×Bsize 20 × 52 × 21mm

    Self-aligning ball bearing 2304. Under GOST the same bearing is designated 1604.

    Frequently asked questions

    What is 1604?

    It is the same bearing under GOST 3189-89: 1604 corresponds to the ISO base 2304. Size 20 × 52 × 21 mm, a full equivalent of 2304.

    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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