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Drawing of NJ 308 ECP: ⌀40 × ⌀90 × 23 mm⌀90⌀4023NJ 308 ECP
Fig. 1: NJ 308 ECP, 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 NJ 308 ECP

Load: radial high; axial low, on one sideCylindrical roller NJ

Bearing SKF NJ 308 ECP

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Specifications

Manufacturer number
Equivalents
1 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
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Equivalents

the same size 40 × 90 × 23 from other brands

40 products
Cross-section drawing to size: Cylindrical roller NJ, 40 × 90 × 23 mm
You are viewingSKF NJ 308 ECP

Same size, different design: the difference is written in the row.
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Details

what this bearing is, questions

About the bearing

d×D×Bsize 40 × 90 × 23mm
Cdynamic 93kN

Cylindrical roller NJ bearing NJ 308 ECP.

C: SKF 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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