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NA 4911 · 55 × 80 × 25

Needle · NA 4911

radial — high
    Drawing of NA 4911: ⌀55 × ⌀80 × 25 mm⌀80⌀5525NA 4911
    Fig. 1: NA 4911, 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 NA 4911

    Load: radial high; no axial loadNeedle

    Bearing CT NA 4911

    €5.22per piece incl. VAT
    In stock: 186 pcs
    In the cart

    Specifications

    Manufacturer number
    Equivalents
    0 exact, 0 approximate
    d
    55 mm
    Bore diameter dBearing bore = shaft diameter. Source: two supplier sources
    D
    80 mm
    Outside diameter DOutside diameter = housing bore. Source: two supplier sources
    B
    25 mm
    Width BRing width. Source: two supplier sources
    Seal
    open, no protection
    Clearance
    normal clearance
    C
    57.2 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
    106 kN
    Basic static load rating C0Permissible load without rotation and under shock; ISO 76 method, manufacturer’s figure. Source: supplier data
    m
    0.39 kg
    MassWeight of the product. Source: supplier data
    01

    Equivalents

    the same size 55 × 80 × 25 from other brands

    5 products
    Series illustration (not a photo of this item): NA 4911
    You are viewingCT NA 4911
    €5.22baseline for the price comparison

    Not enough data for a firm conclusion: what is missing is written in the row.

    • Series illustration (not a photo of this item): NA 4911NA 4911This bearingCT55 × 80 × 25186 pcs€5.22you are here
    • Series illustration (not a photo of this item): NA 4911NA 4911seal not specifiedDKF55 × 80 × 25out of stockon request
    • Series illustration (not a photo of this item): NA 4911NA 4911dimensions in the data are incompleteJNS? × ? × ?available to orderon request
    • Series illustration (not a photo of this item): NA 4911NA 4911dimensions in the data are incompleteno brand? × ? × ?available to orderon request
    • Series illustration (not a photo of this item): NA 4911 RNA 4911 RR: not decodedNTN? × ? × ?available to orderon request

    Under the price: the difference from the price of this bearing (€5.22).
    02

    Often bought with this

    seal 55×80, shaft snap ring Ø55, bore snap ring Ø80

    5 products
    • Seal 55×80JULU 055-80-12 TCWhy it fits: Oil seal 55×80: shaft 55 and housing bore 80, the same as the bearing
      €0.44534 pcs
    • Seal 55×80JULU 055-80-10 SCWhy it fits: Oil seal 55×80: shaft 55 and housing bore 80, the same as the bearing
      €0.47460 pcs
    • 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 Ø80CT SEG 80 W by 100Why it fits: DIN 472 snap ring for a 80 bore: holds the outer ring in the housing
      €21.42out of stock
    • Bore snap ring Ø80SEG 80 W by 100Why it fits: DIN 472 snap ring for a 80 bore: holds the outer ring in the housing
      Price to be confirmedavailable to order
    03

    Details

    what this bearing is, questions

    About the bearing

    d×D×Bsize 55 × 80 × 25mm
    Cdynamic 57.2kN
    C0static 106kN
    mweight 0.39kg

    Needle bearing NA 4911.

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

    Frequently asked questions

    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

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