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6306 2RS · 30 × 72 × 19

Deep groove ball · 6306 2RS

radial — mediumaxial — low, on both sides
    Drawing of 6306 2RS: ⌀30 × ⌀72 × 19 mm6306 2RS2RS
    Fig. 1: 6306 2RS, end view and section; rolling element geometry per the NSK catalogue. Dimensions in mm
    Bearing Z&S 6306 2RS — photo 1
    Bearing Z&S 6306 2RS — photo 2
    Load: radial medium; axial low, on both sidesDeep groove ball

    Bearing Z&S 6306 2RS

    €3.65per piece incl. VAT
    Available to orderThe manager confirms the lead time
    In the cart

    Specifications

    Manufacturer number
    ISO designation
    GOST number
    OEM number
    511.00.360, GASPARDO 51106407
    Equivalents
    15 exact, 65 approximate
    d
    30 mm
    Bore diameter dBearing bore = shaft diameter. Source: two supplier sources
    D
    72 mm
    Outside diameter DOutside diameter = housing bore. Source: two supplier sources
    B
    19 mm
    Width BRing width. Source: two supplier sources
    Seal
    2RSrubber, both sides
    Clearance
    normal clearance
    C
    29.6 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
    16 kN
    Basic static load rating C0Permissible load without rotation and under shock; ISO 76 method, manufacturer’s figure. Source: two supplier sources
    Limiting speed
    12,000 rpm
    Limiting speedMechanical limit; depends on the seal (SKF 6200: 36,000 open, 17,000 with 2RSH). Source: supplier data
    m
    0.35 kg
    MassWeight of the product. Source: supplier data
    01

    Equivalents

    the same size 30 × 72 × 19 from other brands

    82 products
    Photo: 6306 2RS
    You are viewingZ&S 6306 2RS
    €3.65baseline for the price comparison

    Everything the number specifies matches: series 63, 30 × 72 × 19 mm, contact seals on both sides, normal clearance, ordinary steel, design without special letters. The codes in the number are read against the Z&S catalogue.

    • Photo: 6306 2RS6306 2RSThis bearingZ&S30 × 72 × 19available to order€3.65you are here
    • Series illustration (not a photo of this item): 6306 2RS6306 2RSCT30 × 72 × 1924 pcs€1.66−€1.99
    • Series illustration (not a photo of this item): 6306 2RS6306 2RSNTE30 × 72 × 192 pcs€2.58−€1.07
    • Series illustration (not a photo of this item): 6306 2NSE6306 2NSENACHI30 × 72 × 1910 pcs€6.53+€2.88
    • Series illustration (not a photo of this item): 6306 2RS6306 2RSKoyo30 × 72 × 19130 pcs€7.80+€4.15
    • Photo: 6306 2RS6306 2RSKLT30 × 72 × 19available to order€1.55−€2.10
    • Photo: 6306 2RS6306 2RSFJK30 × 72 × 19available to order€2.71−€0.94
    • Photo: 6306 2RS6306 2RSF&D30 × 72 × 19available to order€3.05−€0.60
    • Photo: 6306 2RS6306 2RSNEU30 × 72 × 19available to order€6.41+€2.76
    • Photo: 6306-2RS16306-2RS1SKF30 × 72 × 19available to order€8.08+€4.43

    Under the price: the difference from the price of this bearing (€3.65).
    02

    Often bought with this

    shaft snap ring Ø30, bore snap ring Ø72, seal 30×72

    6 products
    • Shaft snap ring Ø30CT SEG 30 Z by 1000Why it fits: DIN 471 snap ring for a 30 shaft: holds the inner ring on the shaft
      €54.162 pcs
    • Shaft snap ring Ø30SEG 30 Z by 1000Why it fits: DIN 471 snap ring for a 30 shaft: holds the inner ring on the shaft
      €49.44available to order
    • Bore snap ring Ø72CT SEG 72 W by 1000Why it fits: DIN 472 snap ring for a 72 bore: holds the outer ring in the housing
      €177.06available to order
    • Bore snap ring Ø72SEG 72 W by 1000Why it fits: DIN 472 snap ring for a 72 bore: holds the outer ring in the housing
      Price to be confirmedavailable to order
    • Seal 30×72JULU 030-72-10 TCWhy it fits: Oil seal 30×72: shaft 30 and housing bore 72, the same as the bearing; the bearing has its own seals (2RS), and the oil seal closes the unit from outside
      €0.392,205 pcs
    • Seal 30×72SOG 100958N 30x72x10Why it fits: Oil seal 30×72: shaft 30 and housing bore 72, the same as the bearing; the bearing has its own seals (2RS), and the oil seal closes the unit from outside
      Price to be confirmedavailable to order
    03

    Details

    what this bearing is, questions

    Where this bearing is fitted

    16 machines2 makesby parts catalogues

    1. T-156B-09-03 (tractor loader) KhTZ same geometry 3 assemblies · 4 pcs per machine

      the machine has A; ours does not; ours: seals on both sides (2RS); in the machine: open

      manufacturer’s catalogue: Tractor loader T-156B-09-03. Operator’s manual

    2. KhTZ-16131, KhTZ-16331 KhTZ same geometry 2 assemblies · 3 pcs per machine

      ours: seals on both sides (2RS); in the machine: open

      manufacturer’s catalogue: Tractors KhTZ-16131, KhTZ-16331. Operator’s manual 161.00.000 RE

    3. Belarus 900/​920/​950/​952 (900.2/​900.3/​920.2/​920.3/​950.2/​950.3/​952.2/​952.3) Belarus same geometry 2 assemblies · 2 pcs per machine

      the machine has A; ours does not; ours: seals on both sides (2RS); in the machine: open

      manufacturer’s catalogue: BELARUS 900/​920/​950/​952. 900-0000010 KDS. Catalogue of parts and assembly units (RUE MTZ)

    4. Belarus 922.3/​922.4 Belarus same geometry 2 assemblies · 2 pcs per machine

      the machine has A; ours does not; ours: seals on both sides (2RS); in the machine: open

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

    5. KhTZ-17021, KhTZ-17221 KhTZ same geometry 2 assemblies · 2 pcs per machine

      ours: seals on both sides (2RS); in the machine: open

      manufacturer’s catalogue: Tractors KhTZ-17021 and KhTZ-17221. Operator’s manual 170.00.000 RE

    Number in the manufacturer’s catalogue: by GOST (180306) or ISO. “Same geometry” means size and type match; the version is not given in the catalogue.

    About the bearing

    D 72d 30B 19
    d×D×Bsize 30 × 72 × 19mm
    Cdynamic 29.6kN
    C0static 16kN
    mweight 0.35kg

    Deep groove ball bearing 6306-2RS, design 2RS: contact seals on both sides. Under GOST the same bearing is designated 180306.

    C, C₀, m and limiting speed 12,000 rpm: Z&S 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.

    What is 180306?

    It is the same bearing under GOST 3189-89: 18 — contact seals on both sides, 0306 corresponds to the ISO base 6306. Size 30 × 72 × 19 mm, a full equivalent of 6306-2RS.

    Will 6306 2RS 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.

    04

    By make and unit

    this bearing is fitted in machines of these makes

    05

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