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N 311 · 55 × 120 × 29

Cylindrical roller · N311

radial — high
    Drawing of N311: ⌀55 × ⌀120 × 29 mm⌀120⌀5529N311
    Fig. 1: N311, 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 N 311

    Load: radial high; no axial loadCylindrical roller N

    Bearing NTE N 311

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

    Specifications

    Manufacturer number
    Equivalents
    4 exact, 37 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
    open, no protection
    Clearance
    normal clearance
    C
    156 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
    143 kN
    Basic static load rating C0Permissible load without rotation and under shock; ISO 76 method, manufacturer’s figure. Source: supplier data
    m
    1.45 kg
    MassWeight of the product. Source: supplier data
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    Equivalents

    the same size 55 × 120 × 29 from other brands

    42 products
    Series illustration (not a photo of this item): N311
    You are viewingNTE N 311

    Size and design match across the brand catalogues. The codes in the number are read against the NTE catalogue.

    • Series illustration (not a photo of this item): N311N311This bearingNTE55 × 120 × 29available to orderon requestyou are here
    • Series illustration (not a photo of this item): N 311N 311CT55 × 120 × 29126 pcs€10.44
    • Photo: N 311N 311ZKL55 × 120 × 29available to order€52.88
    • Series illustration (not a photo of this item): N 311 WN 311 WNSK55 × 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

    About the bearing

    d×D×Bsize 55 × 120 × 29mm
    Cdynamic 156kN
    C0static 143kN
    mweight 1.45kg

    Cylindrical roller N bearing N311.

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

    Frequently asked questions

    Will 311 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.

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