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NU 309 · 45 × 100 × 25

Cylindrical roller · NU 309

radial — high
    Drawing of NU 309: ⌀45 × ⌀100 × 25 mm⌀100⌀4525NU 309
    Fig. 1: NU 309, 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 NU 309

    Load: radial high; no axial loadCylindrical roller NU

    Bearing CT Malaysia NU 309

    €5.54per piece incl. VAT
    In stock: 29 pcs
    In the cart

    Specifications

    Manufacturer number
    Equivalents
    8 exact, 34 approximate
    d
    45 mm
    Bore diameter dBearing bore = shaft diameter. Source: two supplier sources
    D
    100 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
    112 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
    100 kN
    Basic static load rating C0Permissible load without rotation and under shock; ISO 76 method, manufacturer’s figure. Source: supplier data
    01

    Equivalents

    the same size 45 × 100 × 25 from other brands

    43 products
    Series illustration (not a photo of this item): NU 309
    You are viewingCT NU 309
    €5.54baseline for the price comparison

    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): NU 309NU 309This bearingCT45 × 100 × 2529 pcs€5.54you are here
    • Photo: NU 309 NNU 309 NUTL45 × 100 × 25available to order€52.34+€46.80
    • Series illustration (not a photo of this item): NU309 MNU309 MCT45 × 100 × 25available to orderon request
    • Series illustration (not a photo of this item): NU 309NU 309GPZ45 × 100 × 25out of stockon request
    • Series illustration (not a photo of this item): NU309ET *5NU309ET *5NSK45 × 100 × 25available to orderon request
    • Series illustration (not a photo of this item): NU309EW *5NU309EW *5NSK45 × 100 × 25available to orderon request
    • Series illustration (not a photo of this item): NU 309 ENU 309 Eno brand45 × 100 × 25available to orderon request
    • Series illustration (not a photo of this item): NU 309 ECPNU 309 ECPSKF45 × 100 × 25available to orderon request

    Under the price: the difference from the price of this bearing (€5.54).
    02

    Often bought with this

    seal 45×100, shaft snap ring Ø45, bore snap ring Ø100

    3 products
    • Seal 45×100JULU 045-100-10 TCWhy it fits: Oil seal 45×100: shaft 45 and housing bore 100, the same as the bearing
      €0.93available to order
    • Shaft snap ring Ø45CT SEG 45 Z by 1000Why it fits: DIN 471 snap ring for a 45 shaft: holds the inner ring on the shaft
      €77.63available to order
    • Bore snap ring Ø100CT SEG 100 W by 100Why it fits: DIN 472 snap ring for a 100 bore: holds the outer ring in the housing
      €28.8214 pcs
    03

    Details

    what this bearing is, questions

    About the bearing

    d×D×Bsize 45 × 100 × 25mm
    Cdynamic 112kN
    C0static 100kN

    Cylindrical roller NU bearing NU 309.

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

    Frequently asked questions

    Will 309 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

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