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Drawing of NU 203: ⌀17 × ⌀40 × 12 mm⌀40⌀1712NU 203
Fig. 1: NU 203, 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 203

Load: radial high; no axial loadCylindrical roller NU

Bearing NU 203

Price on request
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Specifications

Manufacturer number
Equivalents
3 exact, 3 approximate
d
17 mm
Bore diameter dBearing bore = shaft diameter. Source: supplier data
D
40 mm
Outside diameter DOutside diameter = housing bore. Source: supplier data
B
12 mm
Width BRing width. Source: supplier data
Seal
open, no protection
Clearance
normal clearance
01

Equivalents

the same size 17 × 40 × 12 from other brands

6 products
Cross-section drawing to size: Cylindrical roller NU, 17 × 40 × 12 mm
You are viewingNU 203

Size and design match across the brand catalogues.

  • Cross-section drawing to size: Cylindrical roller NU, 17 × 40 × 12 mmNU 203This bearingno brand17 × 40 × 12available to orderon requestyou are here
  • Photo: NU 203NU 203DKF17 × 40 × 12available to order€10.28Request a quote
  • Series illustration (not a photo of this item): NU 203 ECPNU 203 ECPSKF17 × 40 × 12available to orderon requestRequest a quote
02

Details

what this bearing is, questions

About the bearing

d×D×Bsize 17 × 40 × 12mm

Cylindrical roller NU bearing NU 203.

Frequently asked questions

Will 203 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.

03

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