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Drawing of NU 308: ⌀40 × ⌀90 × 23 mm⌀90⌀4023NU 308
Fig. 1: NU 308, end view and section; internal parts simplified per ISO 8826-1. Dimensions in mm

There is no photo of this product: the drawing shows the dimensions of NU 308

Load: radial high; no axial loadCylindrical roller NU

Bearing ZKL NU 308

€21.38per piece
Available to orderThe manager confirms the lead time
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Specifications

Manufacturer number
OEM number
40 RU 03
Equivalents
11 exact, 25 approximate
d
40 mm
Bore diameter dBearing bore = shaft diameter. Source: two supplier sources
D
90 mm
Outside diameter DOutside diameter = housing bore. Source: two supplier sources
B
23 mm
Width BRing width. Source: two supplier sources
Seal
open, no protection
Clearance
normal clearance
m
0.73 kg
MassWeight of the product. Source: supplier data
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Equivalents

the same size 40 × 90 × 23 from other brands

40 products
Photo: NU 308
You are viewingZKL NU 308
€21.38baseline for the price comparison

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

Under the price: the difference from the price of this bearing (€21.38).
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Details

what this bearing is, questions

About the bearing

d×D×Bsize 40 × 90 × 23mm
mweight 0.73kg

Cylindrical roller NU bearing NU 308.

M: ZKL 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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