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

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

Bearing KG NJ 308

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Specifications

Manufacturer number
Equivalents
9 exact, 27 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
01

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 viewingKG NJ 308

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

  • Cross-section drawing to size: Cylindrical roller NJ, 40 × 90 × 23 mmNJ 308This bearingKG40 × 90 × 23available to orderon requestyou are here
  • Photo: NJ 308 ENJ 308 EZ&S40 × 90 × 23available to order€17.23Request a quote
  • Cross-section drawing to size: Cylindrical roller NJ, 40 × 90 × 23 mmNJ 308CT40 × 90 × 23available to orderon requestRequest a quote
  • Series illustration (not a photo of this item): NJ 308 ENJ 308 ECX40 × 90 × 23out of stockon requestRequest a quote
  • Cross-section drawing to size: Cylindrical roller NJ, 40 × 90 × 23 mmNJ308ET *5NSK40 × 90 × 23available to orderon requestRequest a quote
  • Series illustration (not a photo of this item): NJ 308 ENJ 308 ENTE40 × 90 × 23available to orderon requestRequest a quote
  • Cross-section drawing to size: Cylindrical roller NJ, 40 × 90 × 23 mmNJ 308 ECJSKF40 × 90 × 23available to orderon requestRequest a quote
  • Cross-section drawing to size: Cylindrical roller NJ, 40 × 90 × 23 mmNJ 308 ECMSKF40 × 90 × 23available to orderon requestRequest a quote
  • Cross-section drawing to size: Cylindrical roller NJ, 40 × 90 × 23 mmNJ 308 ECPSKF40 × 90 × 23available to orderon requestRequest a quote
02

Details

what this bearing is, questions

About the bearing

d×D×Bsize 40 × 90 × 23mm

Cylindrical roller NJ bearing NJ 308.

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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