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NF308 · 40 × 90 × 23

Cylindrical roller · NF308

radial — high
    Drawing of NF308: ⌀40 × ⌀90 × 23 mm⌀90⌀4023NF308
    Fig. 1: NF308, 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 NF308

    Load: radial high; no axial loadCylindrical roller

    Bearing CT NF308

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

    Specifications

    Manufacturer number
    Equivalents
    3 exact, 34 approximate
    d
    40 mm
    Bore diameter dBearing bore = shaft diameter. Source: supplier data
    D
    90 mm
    Outside diameter DOutside diameter = housing bore. Source: supplier data
    B
    23 mm
    Width BRing width. Source: supplier data
    Seal
    open, no protection
    Clearance
    normal clearance
    C
    93 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
    78 kN
    Basic static load rating C0Permissible load without rotation and under shock; ISO 76 method, manufacturer’s figure. Source: supplier data
    m
    0.68 kg
    MassWeight of the product. Source: supplier data
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    Equivalents

    the same size 40 × 90 × 23 from other brands

    40 products
    Series illustration (not a photo of this item): NF308
    You are viewingCT NF308

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

    • Series illustration (not a photo of this item): NF308NF308This bearingCT40 × 90 × 23available to orderon requestyou are here
    • Series illustration (not a photo of this item): NF 308 ENF 308 EKG40 × 90 × 23available to orderon request
    • Series illustration (not a photo of this item): NF 308NF 308Koyo40 × 90 × 23available to orderon request
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    Often bought with this

    seal 40×90, shaft snap ring Ø40, bore snap ring Ø90

    6 products
    • Seal 40×90JULU 040-90-10 TCWhy it fits: Oil seal 40×90: shaft 40 and housing bore 90, the same as the bearing
      €0.73400 pcs
    • Seal 40×90JULU 040-90-12 TCWhy it fits: Oil seal 40×90: shaft 40 and housing bore 90, the same as the bearing
      Price to be confirmedavailable to order
    • Shaft snap ring Ø40CT SEG 40 Z by 1000Why it fits: DIN 471 snap ring for a 40 shaft: holds the inner ring on the shaft
      €54.16available to order
    • Shaft snap ring Ø40SEG 40 Z (100 pcs)Why it fits: DIN 471 snap ring for a 40 shaft: holds the inner ring on the shaft
      Price to be confirmedavailable to order
    • Bore snap ring Ø90CT SEG 90 W by 100Why it fits: DIN 472 snap ring for a 90 bore: holds the outer ring in the housing
      €23.89available to order
    • Bore snap ring Ø90SEG 90 W by 1000Why it fits: DIN 472 snap ring for a 90 bore: holds the outer ring in the housing
      Price to be confirmedavailable to order
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    Details

    what this bearing is, questions

    About the bearing

    d×D×Bsize 40 × 90 × 23mm
    Cdynamic 93kN
    C0static 78kN
    mweight 0.68kg

    Cylindrical roller bearing NF308.

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

    Frequently asked questions

    Will 308 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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