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6304 2ZR · 20 × 52 × 15

Deep groove ball · 6304 2ZR · simplified: bore (cylindrical or K), not given in the designation

radial — mediumaxial — low, on both sides
    Simplified drawing of the bearing per ISO 8826-1, dimensions of 6304 2ZR: ⌀20 × ⌀52 × 15 mm⌀52⌀20156304 2ZR2Z
    Fig. 1: 6304 2ZR, 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 6304 2ZR

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

    Bearing FAG 6304 2ZR

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

    Specifications

    Manufacturer number
    Equivalents
    1 exact, 42 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
    2Zmetal shields on both sides
    C
    18.8 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
    7.8 kN
    Basic static load rating C0Permissible load without rotation and under shock; ISO 76 method, manufacturer’s figure. Source: supplier data
    01

    Equivalents

    the same size 20 × 52 × 15 from other brands

    53 products
    Cross-section drawing to size: Deep groove ball, 20 × 52 × 15 mm
    You are viewingFAG 6304 2ZR

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

    • Photo: 6304 2RS6304 2RScontact seals on both sidesCT20 × 52 × 15902 pcs€0.82
    • Drawing: SS 6304 2RSSS 6304 2RScontact seals on both sidesCT20 × 52 × 15965 pcs€2.94
    • Series illustration (not a photo of this item): 6304 2NSE C36304 2NSE C3contact seals on both sidesNACHI20 × 52 × 1589 pcs€3.87
    • Series illustration (not a photo of this item): 6304 2NSE6304 2NSEcontact seals on both sidesNACHI20 × 52 × 15100 pcs€3.91
    • Series illustration (not a photo of this item): 6304 2RS6304 2RScontact seals on both sidesKoyo20 × 52 × 15334 pcs€4.63
    • Series illustration (not a photo of this item): 6304 2RS C36304 2RS C3contact seals on both sidesKoyo20 × 52 × 15130 pcs€4.63
    • Series illustration (not a photo of this item): 6304-2RSH6304-2RSHcontact seals on both sidesSKF20 × 52 × 153,066 pcs€5.22
    • Type diagram, no dimensions: ball6304 LLUCM/5Kcontact seals on both sides, CM: not decodedNTN20 × 52 × ?10 pcs€5.54
    • Drawing: 6304 LLUC3/5K6304 LLUC3/5Kcontact seals on both sidesNTN20 × 52 × 1546 pcs€5.58
    • Series illustration (not a photo of this item): 6304 2RS C36304 2RS C3contact seals on both sidesno brand20 × 52 × 15available to order€0.79
    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 (2Z), 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 (2Z), and the oil seal closes the unit from outside
      €0.391,300 pcs
    03

    Details

    what this bearing is, questions

    Where this bearing is fitted

    7 machines3 makesby parts catalogues

    1. Belarus-152 Belarus check the version 4 assemblies · 4 pcs per machine

      the machine has A; ours does not; ours: shields on both sides (ZZ); in the machine: open; not decoded: suffix of our number “R”

      manufacturer’s catalogue: BELARUS-152. 152-0000010 KDS. Catalogue of assembly units and parts (OJSC MTZ, 2016)

    2. Gaspardo Primavera (pneumatic seed drill) Maschio Gaspardo check the version 2 assemblies

      ours: shields on both sides (ZZ); in the machine: shield on one side; not decoded: suffix of our number “R”

      manufacturer’s catalogue: maschio_primavera-2009

    3. Belarus 922.3/​922.4 Belarus check the version 1 assembly · 2 pcs per machine

      the machine has A; ours does not; ours: shields on both sides (ZZ); in the machine: open; not decoded: suffix of our number “R”

      manufacturer’s catalogue: BELARUS 922.3/​922.4. 922-0000010 KDS. Catalogue of parts and assembly units, 2013 (RUE MTZ)

    4. KhTZ-2511, KhTZ-3510 KhTZ check the version 1 assembly · 1 pcs per machine

      ours: shields on both sides (ZZ); in the machine: open; not decoded: suffix of our number “R”

      manufacturer’s catalogue: Tractors KhTZ-2511 and KhTZ-3510. Operator’s manual 2511.00.001 RE

    5. Gaspardo Nina 250/​300/​400 (mechanical seed drill) Maschio Gaspardo check the version 1 assembly

      ours: shields on both sides (ZZ); in the machine: shield on one side; not decoded: suffix of our number “R”

      manufacturer’s catalogue: maschio_nina-2015

    Number in the manufacturer’s catalogue: by ISO. “Same geometry” means size and type match; the version is not given in the catalogue.

    About the bearing

    D 52d 20B 15
    d×D×Bsize 20 × 52 × 15mm
    Cdynamic 18.8kN
    C0static 7.8kN

    Deep groove ball bearing 6304 2ZR, design 2Z: metal shields on both sides.

    C, C₀: FAG 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

    By make and unit

    this bearing is fitted in machines of these makes

    05

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