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6311 ZZ C3 · 55 × 120 × 29

Deep groove ball · 6311 ZZ C3

radial — mediumaxial — low, on both sides
    Drawing of 6311 ZZ C3: ⌀55 × ⌀120 × 29 mm6311 ZZ C3ZZ
    Fig. 1: 6311 ZZ C3, end view and section; rolling element geometry per the NSK catalogue. Dimensions in mm

    There is no photo of this product: the 3D model and drawing show the dimensions of 6311 ZZ C3

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

    Bearing NTE 6311 ZZ C3

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

    Specifications

    Manufacturer number
    ISO designation
    Equivalents
    4 exact, 40 approximate
    d
    55 mm
    Bore diameter dBearing bore = shaft diameter. Source: supplier data
    D
    120 mm
    Outside diameter DOutside diameter = housing bore. Source: supplier data
    B
    29 mm
    Width BRing width. Source: supplier data
    Seal
    ZZshields, both sides
    Clearance
    C3
    C
    74.1 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
    45 kN
    Basic static load rating C0Permissible load without rotation and under shock; ISO 76 method, manufacturer’s figure. Source: supplier data
    m
    1.35 kg
    MassWeight of the product. Source: supplier data
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    Equivalents

    the same size 55 × 120 × 29 from other brands

    44 products
    Series illustration (not a photo of this item): 6311 ZZ C3
    You are viewingNTE 6311 ZZ C3

    Everything the number specifies matches: series 63, 55 × 120 × 29 mm, metal shields on both sides, clearance C3, ordinary steel, design without special letters. The codes in the number are read against the NTE catalogue.

    • Series illustration (not a photo of this item): 6311 ZZ C36311 ZZ C3This bearingNTE55 × 120 × 29available to orderon requestyou are here
    • Photo: 6311 2Z C36311 2Z C3FAG55 × 120 × 2960 pcs€26.03
    • Photo: 6311-2Z/C36311-2Z/C3SKF55 × 120 × 29available to order€29.19
    • Series illustration (not a photo of this item): 6311 ZZC36311 ZZC3KG55 × 120 × 29available to orderon request
    02

    Often bought with this

    shaft snap ring Ø55, bore snap ring Ø120

    2 products
    • Shaft snap ring Ø55CT SEG 55 Z by1000Why it fits: DIN 471 snap ring for a 55 shaft: holds the inner ring on the shaft
      €125.77available to order
    • Bore snap ring Ø120CT SEG 120 W by 100Why it fits: DIN 472 snap ring for a 120 bore: holds the outer ring in the housing
      €65.88available to order
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    Details

    what this bearing is, questions

    Where this bearing is fitted

    11 machines2 makesby parts catalogues

    1. Belarus 1221/​1221V (1221.2/​1221V.2/​1221.3/​1221V.3) Belarus same geometry 5 assemblies · 8 pcs per machine

      the machine has A; ours does not; ours: shields on both sides (ZZ); in the machine: open; ours has clearance C3; the machine takes normal (CN)

      manufacturer’s catalogue: BELARUS 1221/​1221V. 1221-0000010 KDS. Catalogue of parts and assembly units (RUE MTZ)

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

      the machine has A; ours does not; ours: shields on both sides (ZZ); in the machine: open; ours has clearance C3; the machine takes normal (CN)

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

    3. Belarus 1222/​1222V (title page: 1523-0000010 KDS) Belarus same geometry 3 assemblies · 6 pcs per machine

      the machine has A; ours does not; the machine has Sh1; ours does not; ours: shields on both sides (ZZ); in the machine: open; ours has clearance C3; the machine takes normal (CN); ours is P0; the machine takes P6

      manufacturer’s catalogue: BELARUS 1222/​1222V. 1523-0000010 KDS. Catalogue of assembly units and parts, 2009 (RUE MTZ)

    4. Belarus 1523/​1523V/​1523.3 Belarus same geometry 3 assemblies · 3 pcs per machine

      the machine has A; ours does not; ours: shields on both sides (ZZ); in the machine: open; ours has clearance C3; the machine takes normal (CN)

      manufacturer’s catalogue: BELARUS 1523/​1523V/​1523.3. 1523-0000010 KDS. Catalogue of assembly units and parts, 2013 (RUE MTZ)

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

      ours: shields on both sides (ZZ); in the machine: open; ours has clearance C3; the machine takes normal (CN)

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

    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 120d 55B 29
    d×D×Bsize 55 × 120 × 29mm
    Cdynamic 74.1kN
    C0static 45kN
    mweight 1.35kg

    Deep groove ball bearing 6311-ZZ C3, design ZZ: metal shields on both sides.

    C, C₀, m: NTE 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

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